• CLASSIC IWINDSURF
    Classic myiWindsurfClassic Wind & Weather maps and graphs
Hello Guest
 • 

Classic iWindsurf
kiter? see iKitesurf.com
Grab the iWindsurf Mobile App & Sign On to the New iWindsurf Website
Hi guest · Get your free membership now · Log In ·
HI-Hawaii

Real-Time Data
 > Dynamic Map
 > Wind Obs Map
 > Radar + Satellite Map
 > Wind Obs Summary

Computer Forecasts
 > Model Tables
 > Wind Vector Fx Map
 > Wind FlowViz Fx Map

More Maps

Other Resources
Wind Graphs
Meteograms

Watches/Warnings
>None Active

New iWindsurf: Select your region for wind observations & forecasts:
North America | Europe | South America | Australia & Oceania | Asia | Africa

fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522735

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz110-180230-
kauai northwest waters-
318 am hst fri apr 17 2026

.today...east northeast winds 10 to 15 knots, becoming east 15 to
20 knots this afternoon. seas 3 to 4 feet. wave detail: east
3 feet at 7 seconds. isolated heavy showers this morning. a
slight chance of thunderstorms. a chance of showers this
afternoon. 
.tonight...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds. a chance of showers with a
slight chance of thunderstorms. 
.saturday...east southeast winds 15 to 20 knots, becoming
southeast 10 to 15 knots in the afternoon. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds. a slight chance of showers. 
.saturday night...east southeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 7 seconds. a slight chance of
showers in the evening, then a chance of showers after midnight. 
.sunday...southeast winds 10 to 15 knots. seas 4 to 6 feet. wave
detail: east 4 feet at 7 seconds. a slight chance of showers in
the morning, then a chance of showers in the afternoon. 
.sunday night...southeast winds 10 to 15 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 7 seconds. a chance of showers. 
.monday...south southwest winds 7 to 10 knots, becoming variable
less than 10 knots. seas 4 to 6 feet. wave detail: east 4 feet at
7 seconds and northwest 4 feet at 15 seconds. a chance of
showers. 
.tuesday...winds variable less than 10 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 6 seconds, northwest 4 feet at
13 seconds and northeast 3 feet at 16 seconds. a slight chance of
showers in the morning, then a chance of showers through the
night. a slight chance of showers after midnight.  

winds and seas higher in and near tstms.

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522736

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz111-180230-
kauai windward waters-
318 am hst fri apr 17 2026

.today...east winds 10 to 15 knots. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 7 seconds. a slight chance of
showers and thunderstorms this afternoon. 
.tonight...east winds 10 to 15 knots, rising to 15 to 20 knots
after midnight. seas 4 to 6 feet. wave detail: east 5 feet at
7 seconds. a chance of showers with a slight chance of
thunderstorms. 
.saturday...east southeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east southeast 5 feet at 6 seconds. a slight
chance of showers in the morning. 
.saturday night...east southeast winds to 15 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. a slight chance of
showers. 
.sunday...east southeast winds 10 to 15 knots. seas to 6 feet.
wave detail: east southeast 5 feet at 6 seconds. a slight chance
of showers in the morning, then a chance of showers in the
afternoon. 
.sunday night...east southeast winds 10 to 15 knots. seas to
6 feet. wave detail: east 5 feet at 7 seconds. a chance of
showers. 
.monday...south winds 7 to 10 knots in the morning, becoming
variable less than 10 knots. seas 5 to 6 feet. wave detail: east
southeast 5 feet at 7 seconds and northwest 3 feet at 15 seconds.
a chance of showers. 
.tuesday...winds variable less than 10 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 6 seconds, northwest 4 feet at
14 seconds and north northeast 3 feet at 9 seconds. a slight
chance of showers in the morning, then a chance of showers.  

winds and seas higher in and near tstms.

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522737

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz112-180230-
kauai leeward waters-
318 am hst fri apr 17 2026

.today...east northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east southeast 3 feet at 5 seconds. isolated heavy
showers this morning. a slight chance of thunderstorms. a chance
of showers this afternoon. 
.tonight...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east southeast 6 feet at 6 seconds. a slight chance of
showers and thunderstorms. 
.saturday...east southeast winds 15 to 20 knots, easing to
10 knots in the afternoon. seas 5 to 7 feet. wave detail: east
southeast 6 feet at 6 seconds. a slight chance of showers. 
.saturday night...east winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east southeast 4 feet at 6 seconds. a chance of
showers. 
.sunday...east southeast winds to 15 knots, easing to 10 knots in
the afternoon. seas 4 to 5 feet. wave detail: east southeast
4 feet at 6 seconds. a slight chance of showers in the morning,
then a chance of showers in the afternoon. 
.sunday night...southeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 6 seconds. a chance of showers. 
.monday...winds variable less than 10 knots, becoming south 7 to
10 knots in the afternoon, then becoming variable less than
10 knots. seas 3 to 5 feet. wave detail: east southeast 4 feet at
6 seconds and northwest 4 feet at 15 seconds. a chance of
showers. 
.tuesday...winds variable less than 10 knots. seas 4 to 6 feet.
wave detail: northwest 4 feet at 13 seconds, east 3 feet at
5 seconds and north northeast 3 feet at 15 seconds. a slight
chance of showers in the morning, then a chance of showers in the
afternoon. a slight chance of showers through the day.  

winds and seas higher in and near tstms.

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522738

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz113-180230-
kauai channel-
318 am hst fri apr 17 2026

.today...east northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east southeast 3 feet at 5 seconds. 
.tonight...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds. a slight chance of showers
and thunderstorms. 
.saturday...east winds 10 to 15 knots. seas 5 to 6 feet,
subsiding to 4 feet in the afternoon. wave detail: east southeast
5 feet at 6 seconds. 
.saturday night...east winds 15 to 20 knots, easing to 10 to
15 knots after midnight. seas 4 to 5 feet. wave detail: east
southeast 4 feet at 6 seconds. a slight chance of showers. 
.sunday...east northeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 6 seconds. a slight chance of showers
in the morning, then a chance of showers in the afternoon. 
.sunday night...northeast winds 10 to 15 knots, veering to east
southeast after midnight. seas 4 to 6 feet. wave detail: east
4 feet at 6 seconds. a chance of showers. 
.monday...south winds 7 to 10 knots, becoming variable less than
10 knots. seas 3 to 5 feet. wave detail: east 4 feet at
6 seconds. a chance of showers. 
.tuesday...winds variable less than 10 knots. seas 4 to 6 feet.
wave detail: east 3 feet at 4 seconds, northwest 3 feet at
13 seconds and northeast 3 feet at 15 seconds. a slight chance of
showers.  

winds and seas higher in and near tstms.

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522739

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz114-180230-
oahu windward waters-
318 am hst fri apr 17 2026

.today...east winds 10 to 15 knots. seas to 4 feet. wave detail:
east southeast 3 feet at 7 seconds. 
.tonight...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east 4 feet at 7 seconds. a slight chance of showers
after midnight. 
.saturday...east winds to 15 knots. seas 4 to 6 feet. wave
detail: east southeast 4 feet at 6 seconds. 
.saturday night...east winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds. a slight chance of showers
after midnight. 
.sunday...east winds to 15 knots. seas 5 to 6 feet. wave detail:
east southeast 5 feet at 6 seconds. a chance of showers in the
afternoon. 
.sunday night...east southeast winds to 15 knots. seas 5 to
6 feet. wave detail: east 5 feet at 7 seconds. a slight chance of
showers in the evening, then a chance of showers after midnight. 
.monday...southeast winds 10 to 15 knots, veering to south
southeast 7 to 10 knots in the afternoon, then becoming variable
less than 10 knots. seas 5 to 6 feet. wave detail: east 5 feet at
6 seconds and northwest 3 feet at 16 seconds. a chance of
showers. 
.tuesday...winds variable less than 10 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 6 seconds, northwest 4 feet at
14 seconds and north northeast 4 feet at 15 seconds. a slight
chance of showers. a chance of showers after midnight.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522740

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz115-180230-
oahu leeward waters-
318 am hst fri apr 17 2026

.today...east northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east southeast 4 feet at 5 seconds. 
.tonight...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east southeast 5 feet at 6 seconds. 
.saturday...east winds 10 to 15 knots. seas 4 to 5 feet. wave
detail: east southeast 5 feet at 6 seconds. 
.saturday night...east winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east southeast 4 feet at 6 seconds. 
.sunday...east winds 7 to 10 knots. seas 3 to 4 feet. wave
detail: east southeast 4 feet at 6 seconds. a slight chance of
showers in the afternoon. 
.sunday night...northeast winds 7 to 10 knots, veering to east
southeast to 10 knots after midnight. seas 3 to 4 feet. wave
detail: east southeast 4 feet at 6 seconds. a slight chance of
showers in the evening, then a chance of showers after midnight. 
.monday...south southeast winds to 10 knots in the morning,
becoming variable less than 10 knots. seas 3 to 4 feet. wave
detail: east 3 feet at 6 seconds. a chance of showers. 
.tuesday...winds variable less than 10 knots. seas 3 to 4 feet.
wave detail: northwest 3 feet at 12 seconds. a slight chance of
showers.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522741

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz116-180230-
kaiwi channel-
318 am hst fri apr 17 2026

.today...east northeast winds to 15 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 5 seconds and south 3 feet at 13 seconds. 
.tonight...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds. 
.saturday...east northeast winds to 15 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 6 seconds. 
.saturday night...east winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 5 feet at 6 seconds. 
.sunday...east winds 10 to 15 knots. seas 4 to 6 feet. wave
detail: east 5 feet at 6 seconds. a slight chance of showers in
the afternoon. 
.sunday night...east southeast winds 10 to 15 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. a slight chance of
showers after midnight. 
.monday...southeast winds 10 to 15 knots, veering to south
southeast 7 to 10 knots in the afternoon, then becoming variable
less than 10 knots. seas 4 to 6 feet. wave detail: east 4 feet at
6 seconds. a chance of showers in the morning, then a slight
chance of showers in the afternoon. a chance of showers through
the day. 
.tuesday...winds variable less than 10 knots, becoming north
northeast 7 to 10 knots in the evening, then becoming variable
less than 10 knots after midnight. seas 4 to 6 feet. wave detail:
north northeast 4 feet at 15 seconds, east northeast 3 feet at
5 seconds and northwest 3 feet at 14 seconds. a slight chance of
showers.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522742

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz117-180230-
maui county windward waters-
318 am hst fri apr 17 2026

.today...east winds 10 to 15 knots. seas to 4 feet. wave detail:
east southeast 3 feet at 7 seconds. 
.tonight...east winds 15 to 20 knots. seas to 4 feet. wave
detail: east 4 feet at 7 seconds. 
.saturday...east winds 15 to 20 knots. seas to 4 feet. wave
detail: east 4 feet at 6 seconds. 
.saturday night...east winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east southeast 5 feet at 6 seconds. a slight chance
of showers after midnight. 
.sunday...east southeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds. a slight chance of showers
in the afternoon. 
.sunday night...east southeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east 5 feet at 6 seconds. a slight chance of
showers after midnight. 
.monday...southeast winds 10 to 15 knots. seas 5 to 6 feet. wave
detail: east southeast 5 feet at 6 seconds and northwest 3 feet
at 16 seconds. a chance of showers, mainly in the morning. 
.tuesday...southeast winds 7 to 10 knots, backing to east
southeast. seas 5 to 7 feet. wave detail: east 4 feet at
5 seconds, north northeast 4 feet at 14 seconds and northwest
4 feet at 14 seconds. a slight chance of showers. a chance of
showers after midnight.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522743

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz118-180230-
maui county leeward waters-
318 am hst fri apr 17 2026

.today...east winds 15 to 20 knots. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 5 seconds and south 3 feet at
13 seconds. 
.tonight...east northeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east southeast 4 feet at 6 seconds. 
.saturday...east northeast winds 10 to 15 knots. seas 3 to
5 feet. wave detail: east southeast 4 feet at 6 seconds. 
.saturday night...east winds 15 to 20 knots, becoming east
northeast 10 to 15 knots after midnight. seas 3 to 5 feet. wave
detail: east southeast 4 feet at 6 seconds. 
.sunday...east winds 10 to 15 knots. seas 3 to 4 feet. wave
detail: east southeast 4 feet at 6 seconds. a slight chance of
showers in the afternoon. 
.sunday night...east southeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east southeast 3 feet at 6 seconds. a slight
chance of showers after midnight. 
.monday...east southeast winds 10 to 15 knots, veering to south
southeast 7 to 10 knots in the afternoon, then becoming variable
less than 10 knots. seas 3 to 4 feet. wave detail: east southeast
3 feet at 5 seconds. a chance of showers in the morning. 
.tuesday...winds variable less than 10 knots. seas 3 to 4 feet. a
slight chance of showers.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522744

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz119-180230-
maalaea bay-
318 am hst fri apr 17 2026

...small craft advisory in effect from early this afternoon
through saturday afternoon...

.today...north northeast winds 10 to 15 knots, becoming north
20 to 25 knots this afternoon. seas to 2 feet or less. 
.tonight...north winds 20 to 25 knots. seas to 2 feet or less. 
.saturday...north northeast winds to 25 knots. seas to 2 feet or
less. 
.saturday night...north northeast winds to 10 knots. seas to
2 feet or less. 
.sunday...north winds 7 to 10 knots. seas to 2 feet or less. a
slight chance of showers in the afternoon. 
.sunday night...north northeast winds to 10 knots. seas to 2 feet
or less. a slight chance of showers after midnight. 
.monday...winds variable less than 10 knots. seas to 2 feet or
less. a chance of showers in the morning. 
.tuesday...winds variable less than 10 knots. seas to 2 feet or
less. a slight chance of showers through the night.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522745

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz120-180230-
pailolo channel-
318 am hst fri apr 17 2026

...small craft advisory in effect from early this afternoon
through saturday afternoon...

.today...east winds 15 to 20 knots, becoming east northeast 20 to
25 knots this afternoon. seas 3 to 4 feet. wave detail: east
4 feet at 4 seconds. 
.tonight...east northeast winds 20 to 25 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 4 seconds. 
.saturday...east northeast winds 20 to 25 knots. seas 3 to
4 feet. wave detail: east 4 feet at 4 seconds. a slight chance of
showers in the morning. 
.saturday night...east northeast winds to 15 knots. seas 3 to
4 feet. wave detail: east 3 feet at 4 seconds. a slight chance of
showers after midnight. 
.sunday...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: east 3 feet at 6 seconds. a slight chance of showers in
the afternoon. 
.sunday night...east northeast winds to 15 knots, easing to
10 knots after midnight. seas 3 to 4 feet. wave detail: east
3 feet at 6 seconds. a slight chance of showers after midnight. 
.monday...north northwest winds 7 to 10 knots in the morning,
becoming variable less than 10 knots. seas 3 to 4 feet. a chance
of showers in the morning, then a slight chance of showers
through the night. 
.tuesday...winds variable less than 10 knots. seas 3 to 4 feet. a
slight chance of showers.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522746

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz121-180230-
alenuihaha channel-
318 am hst fri apr 17 2026

...small craft advisory in effect from early this afternoon
through saturday afternoon...

.today...east northeast winds 15 to 20 knots, rising to 20 to
25 knots this afternoon. seas 3 to 5 feet. wave detail: east
5 feet at 6 seconds and south 3 feet at 13 seconds. 
.tonight...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east 6 feet at 6 seconds. 
.saturday...east northeast winds 20 to 25 knots. seas 4 to
6 feet. wave detail: east 6 feet at 6 seconds. 
.saturday night...east northeast winds to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. 
.sunday...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 5 feet at 6 seconds. a slight chance of showers
in the afternoon. 
.sunday night...east northeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: east 5 feet at 6 seconds. a slight chance of
showers after midnight. 
.monday...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 6 seconds. a slight chance of showers
through the night. 
.tuesday...northeast winds 7 to 10 knots. seas 3 to 5 feet. wave
detail: east 3 feet at 6 seconds and north northeast 3 feet at
14 seconds. a slight chance of showers.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522747

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz122-180230-
big island windward waters-
318 am hst fri apr 17 2026

.today...east winds 10 to 15 knots, rising to 15 to 20 knots this
afternoon. seas 3 to 5 feet. wave detail: east 3 feet at
7 seconds and south 3 feet at 13 seconds. isolated showers this
morning. 
.tonight...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east 4 feet at 7 seconds and south 3 feet at 12 seconds. 
.saturday...east winds 15 to 20 knots, easing to 10 to 15 knots
in the afternoon. seas 4 to 5 feet. wave detail: east 4 feet at
7 seconds. a slight chance of showers in the morning. 
.saturday night...east winds to 15 knots. seas 4 to 5 feet. wave
detail: east southeast 4 feet at 7 seconds. a slight chance of
showers. 
.sunday...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east southeast 4 feet at 7 seconds. a slight chance of
showers. 
.sunday night...east winds 15 to 20 knots. seas to 5 feet. wave
detail: east 4 feet at 7 seconds. a slight chance of showers in
the evening. 
.monday...east southeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east southeast 4 feet at 7 seconds. a slight chance
of showers. 
.tuesday...east southeast winds 10 to 15 knots. seas 4 to 6 feet.
wave detail: north northeast 5 feet at 14 seconds, east southeast
3 feet at 7 seconds and northwest 3 feet at 14 seconds. a slight
chance of showers. a chance of showers after midnight.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522748

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz123-180230-
big island leeward waters-
318 am hst fri apr 17 2026

...small craft advisory in effect from early this afternoon
through saturday afternoon...

.today...west of the big island, southwest winds 7 to 10 knots,
veering to northwest to 10 knots this afternoon. near south
point, east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east northeast 4 feet at 6 seconds and south 3 feet
at 13 seconds. 
.tonight...west of the big island, south southwest winds 7 to
10 knots, veering to north 10 to 15 knots after midnight. near
south point, east winds 20 to 25 knots. seas 4 to 6 feet. wave
detail: east northeast 5 feet at 6 seconds. 
.saturday...west of the big island, winds variable less than
10 knots, becoming north northwest to 10 knots in the afternoon.
near south point, east winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 5 seconds. 
.saturday night...west of the big island, west southwest winds
7 to 10 knots in the evening, becoming variable less than
10 knots. near south point, east winds to 20 knots. seas 4 to
6 feet. wave detail: east 4 feet at 5 seconds. 
.sunday...west of the big island, winds variable less than
10 knots, becoming northwest 7 to 10 knots in the afternoon. near
south point, east winds 15 to 20 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 5 seconds. a slight chance of showers in
the afternoon. 
.sunday night...south southeast winds 7 to 10 knots west of the
big island...east to 20 knots near south point. seas 3 to 5 feet.
wave detail: east 4 feet at 5 seconds. 
.monday...winds variable less than 10 knots west of the big
island...east 10 to 15 knots near south point. seas 3 to 5 feet.
wave detail: east 4 feet at 5 seconds. a slight chance of showers
after midnight. 
.tuesday...winds variable less than 10 knots west of the big
island...east 10 to 15 knots near south point. seas 3 to 4 feet.
wave detail: northwest 3 feet at 13 seconds. a slight chance of
showers.  

$$
fzhw50 phfo 171318
cwfhfo
expires:202604180230;;522749

coastal waters forecast
national weather service honolulu hi
318 am hst fri apr 17 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz124-180230-
big island southeast waters-
318 am hst fri apr 17 2026

...small craft advisory in effect from early this afternoon
through saturday afternoon...

.today...east northeast winds 15 to 20 knots, rising to 20 to
25 knots this afternoon. seas 4 to 5 feet, building to 5 to
7 feet this afternoon. wave detail: east 5 feet at 7 seconds and
south 3 feet at 12 seconds. 
.tonight...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south 3 feet at
12 seconds. a slight chance of showers after midnight. 
.saturday...east northeast winds 20 to 25 knots. seas 4 to
6 feet. wave detail: east 6 feet at 6 seconds. 
.saturday night...east northeast winds to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. 
.sunday...east northeast winds to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds. a slight chance of showers
in the afternoon. 
.sunday night...east northeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east 5 feet at 6 seconds. 
.monday...east winds 10 to 15 knots. seas 4 to 6 feet. wave
detail: east southeast 5 feet at 7 seconds. a slight chance of
showers through the day. 
.tuesday...east winds to 10 knots. seas 4 to 5 feet. wave detail:
east 3 feet at 7 seconds, northwest 3 feet at 13 seconds and
northeast 3 feet at 15 seconds. a slight chance of showers. a
chance of showers after midnight.  

$$
© Copyright 2026 WeatherFlow, Inc · Contact Us ·