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(1/5)
Latest Coastal Waters Forecast by PHFO
Issued 4/18/2026 3:24 AM US/Hawaii.
Valid through 4/18/2026 4:30 PM US/Hawaii.
fzhw50 phfo 181324
cwfhfo
expires:202604190230;;581902
coastal waters forecast
national weather service honolulu hi
324 am hst sat apr 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-190230-
maui county windward waters-
324 am hst sat apr 18 2026
.today...east southeast winds 15 to 20 knots. seas to 4 feet.
wave detail: east southeast 4 feet at 7 seconds. a slight chance
of showers.
.tonight...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east southeast 5 feet at 6 seconds.
.sunday...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east southeast 5 feet at 6 seconds.
.sunday night...east southeast winds to 15 knots. seas to 5 feet.
wave detail: east southeast 5 feet at 6 seconds.
.monday...east southeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east southeast 5 feet at 6 seconds. a slight chance
of showers.
.monday night...southeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east northeast 4 feet at 7 seconds. isolated
showers.
.tuesday...southeast winds 7 to 10 knots. seas 5 to 7 feet. wave
detail: north northeast 5 feet at 14 seconds, east 4 feet at
7 seconds and northwest 4 feet at 12 seconds. isolated showers.
.wednesday...east winds 7 to 10 knots. seas 6 to 7 feet. wave
detail: north northeast 5 feet at 12 seconds, north northwest
4 feet at 13 seconds and east southeast 3 feet at 5 seconds.
isolated showers.
$$
(2/5)
Latest Coastal Waters Forecast by PHFO
Issued 4/18/2026 3:24 AM US/Hawaii.
Valid through 4/18/2026 4:30 PM US/Hawaii.
fzhw50 phfo 181324
cwfhfo
expires:202604190230;;581903
coastal waters forecast
national weather service honolulu hi
324 am hst sat apr 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-190230-
maui county leeward waters-
324 am hst sat apr 18 2026
.today...east winds 15 to 20 knots. seas 3 to 4 feet. wave
detail: east southeast 4 feet at 6 seconds. a slight chance of
showers.
.tonight...east winds 10 to 15 knots. seas 3 to 4 feet. wave
detail: east southeast 4 feet at 6 seconds.
.sunday...east winds 10 to 15 knots, becoming east southeast
15 to 20 knots in the afternoon. seas 3 to 4 feet. wave detail:
east southeast 4 feet at 6 seconds.
.sunday night...east southeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east southeast 3 feet at 6 seconds.
.monday...east northeast winds 7 to 10 knots in the morning,
becoming variable less than 10 knots. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 6 seconds. a slight chance of
showers in the morning.
.monday night...south winds 7 to 10 knots in the evening,
becoming variable less than 10 knots. seas to 3 feet.
.tuesday...winds variable less than 10 knots. seas 3 to 4 feet.
isolated showers through the night.
.wednesday...winds variable less than 10 knots, becoming
northeast 7 to 10 knots. seas 3 to 4 feet.
$$
(3/5)
Latest Coastal Waters Forecast by PHFO
Issued 4/18/2026 3:24 AM US/Hawaii.
Valid through 4/18/2026 4:30 PM US/Hawaii.
fzhw50 phfo 181324
cwfhfo
expires:202604190230;;581904
coastal waters forecast
national weather service honolulu hi
324 am hst sat apr 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-190230-
maalaea bay-
324 am hst sat apr 18 2026
...small craft advisory in effect through late this afternoon...
.today...north winds 20 to 25 knots. seas to 2 feet or less. a
slight chance of showers.
.tonight...north winds to 20 knots. seas to 2 feet or less.
.sunday...north winds to 20 knots. seas to 2 feet or less.
.sunday night...north winds to 20 knots, easing to 15 knots after
midnight. seas to 2 feet or less.
.monday...north winds to 15 knots. seas to 2 feet or less.
.monday night...north northeast winds to 15 knots in the evening,
becoming variable less than 10 knots. seas to 2 feet or less.
.tuesday...winds variable less than 10 knots. seas to 2 feet or
less.
.wednesday...winds variable less than 10 knots, becoming north to
15 knots in the afternoon, rising to 20 knots in the evening,
easing to 15 knots after midnight. seas to 2 feet or less.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 4/18/2026 3:24 AM US/Hawaii.
Valid through 4/18/2026 4:30 PM US/Hawaii.
fzhw50 phfo 181324
cwfhfo
expires:202604190230;;581905
coastal waters forecast
national weather service honolulu hi
324 am hst sat apr 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-190230-
pailolo channel-
324 am hst sat apr 18 2026
...small craft advisory in effect through late this afternoon...
.today...east northeast winds 20 to 25 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 4 seconds. a slight chance of
showers.
.tonight...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: east 3 feet at 6 seconds.
.sunday...east winds 15 to 20 knots. seas 3 to 4 feet. wave
detail: east 3 feet at 6 seconds.
.sunday night...east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas 3 to 4 feet. wave detail:
east 3 feet at 6 seconds.
.monday...east northeast winds 10 to 15 knots, veering to
southeast in the afternoon. seas 3 to 4 feet. wave detail: east
3 feet at 6 seconds. a slight chance of showers.
.monday night...south winds 10 to 15 knots in the evening,
becoming variable less than 10 knots. seas 3 to 4 feet. isolated
showers in the evening.
.tuesday...winds variable less than 10 knots. seas 3 to 4 feet.
isolated showers.
.wednesday...winds variable less than 10 knots, becoming
northeast 10 to 15 knots in the afternoon, then becoming east
northeast 15 to 20 knots in the evening, easing to 10 to 15 knots
after midnight. seas 3 to 4 feet. isolated showers in the
morning.
$$
(5/5)
Latest Coastal Waters Forecast by PHFO
Issued 4/18/2026 3:24 AM US/Hawaii.
Valid through 4/18/2026 4:30 PM US/Hawaii.
fzhw50 phfo 181324
cwfhfo
expires:202604190230;;581906
coastal waters forecast
national weather service honolulu hi
324 am hst sat apr 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-190230-
alenuihaha channel-
324 am hst sat apr 18 2026
...small craft advisory in effect through late this afternoon...
.today...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds. a slight chance of
showers.
.tonight...east northeast winds 15 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.
.sunday night...east winds 15 to 20 knots, easing to 10 to
15 knots after midnight. seas 4 to 5 feet. wave detail: east
5 feet at 6 seconds.
.monday...east northeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east 5 feet at 6 seconds. isolated showers in the
afternoon.
.monday night...east winds 10 to 15 knots, veering to southeast
7 to 10 knots after midnight. seas 3 to 5 feet. wave detail: east
3 feet at 5 seconds.
.tuesday...east southeast winds 7 to 10 knots, backing to north
in the afternoon, veering to east northeast. seas 4 to 6 feet.
wave detail: east 3 feet at 5 seconds and northeast 3 feet at
16 seconds.
.wednesday...east northeast winds 7 to 10 knots, becoming 10 to
15 knots. seas 4 to 6 feet. wave detail: east 4 feet at
5 seconds, north northeast 3 feet at 12 seconds and west
northwest 3 feet at 18 seconds.
$$
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