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(1/5)
Latest Coastal Waters Forecast by PHFO
Issued 10/18/2026 9:47 AM US/Hawaii.
Valid through 10/18/2026 10:30 PM US/Hawaii.
fzhw50 phfo 181947
cwfhfo
expires:202610190830;;325746
coastal waters forecast
national weather service honolulu hi
947 am hst sun oct 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-190830-
maui county windward waters-
947 am hst sun oct 18 2026
...small craft advisory in effect through early monday morning...
.rest of today...east winds 20 to 25 knots. seas 7 to 8 feet.
wave detail: east 6 feet at 7 seconds and north 5 feet at
11 seconds. scattered showers.
.tonight...east winds 20 to 25 knots. seas 8 to 9 feet. wave
detail: east 7 feet at 7 seconds and north 5 feet at 11 seconds.
scattered showers.
.monday...east winds 20 to 25 knots. seas 7 to 8 feet. wave
detail: east northeast 7 feet at 7 seconds. scattered showers.
.monday night...east winds 20 to 25 knots. seas 7 to 8 feet. wave
detail: east northeast 7 feet at 7 seconds. scattered showers in
the evening. isolated showers after midnight.
.tuesday...east winds 20 to 25 knots. seas 7 to 8 feet. wave
detail: east northeast 7 feet at 7 seconds. isolated showers.
.tuesday night...east winds to 20 knots. seas 7 to 8 feet. wave
detail: east northeast 7 feet at 7 seconds. isolated showers in
the evening. scattered showers after midnight.
.wednesday...east winds 15 to 20 knots. seas 6 to 8 feet. wave
detail: east 6 feet at 7 seconds and northeast 4 feet at
8 seconds. scattered showers. isolated showers after midnight.
.thursday...east winds 10 to 15 knots. seas 5 to 6 feet. wave
detail: northeast 4 feet at 8 seconds and east 4 feet at
13 seconds. isolated showers.
$$
(2/5)
Latest Coastal Waters Forecast by PHFO
Issued 10/18/2026 9:47 AM US/Hawaii.
Valid through 10/18/2026 10:30 PM US/Hawaii.
fzhw50 phfo 181947
cwfhfo
expires:202610190830;;325747
coastal waters forecast
national weather service honolulu hi
947 am hst sun oct 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-190830-
maui county leeward waters-
947 am hst sun oct 18 2026
...small craft advisory in effect through early monday morning...
.rest of today...east northeast winds 20 to 25 knots. seas 4 to
6 feet. wave detail: east 6 feet at 7 seconds and north 3 feet at
11 seconds.
.tonight...east northeast winds 20 to 25 knots, easing to 15 to
20 knots after midnight. seas 4 to 6 feet. wave detail: east
6 feet at 6 seconds.
.monday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 7 seconds.
.monday night...east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas 3 to 5 feet. wave detail:
east 5 feet at 6 seconds.
.tuesday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas 3 to 5 feet. wave detail: east
5 feet at 7 seconds.
.tuesday night...east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas 3 to 5 feet. wave detail:
east southeast 5 feet at 7 seconds.
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
5 feet. wave detail: east southeast 4 feet at 6 seconds.
.thursday...northeast winds 7 to 10 knots, backing to northwest
in the afternoon, veering to east northeast. seas 3 to 4 feet.
wave detail: east southeast 3 feet at 5 seconds.
$$
(3/5)
Latest Coastal Waters Forecast by PHFO
Issued 10/18/2026 9:47 AM US/Hawaii.
Valid through 10/18/2026 10:30 PM US/Hawaii.
fzhw50 phfo 181947
cwfhfo
expires:202610190830;;325748
coastal waters forecast
national weather service honolulu hi
947 am hst sun oct 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-190830-
maalaea bay-
947 am hst sun oct 18 2026
...small craft advisory in effect through early monday morning...
.rest of today...north northeast winds 20 to 25 knots. seas to
2 feet or less, then to 3 feet this afternoon. wave detail: north
northeast 3 feet at 4 seconds.
.tonight...north northeast winds 20 to 25 knots. seas to 2 feet
or less. wave detail: north northeast 2 feet at 3 seconds.
.monday...north northeast winds to 25 knots in the morning,
becoming variable less than 10 knots. seas to 2 feet or less.
wave detail: north northeast 2 feet at 3 seconds.
.monday night...northeast winds 7 to 10 knots in the evening,
becoming variable less than 10 knots. seas to 2 feet or less.
wave detail: north northeast 2 feet at 3 seconds.
.tuesday...winds variable less than 10 knots. seas to 2 feet or
less. wave detail: north northeast 2 feet at 3 seconds.
.tuesday night...northeast winds 7 to 10 knots in the evening,
becoming variable less than 10 knots. seas to 2 feet or less.
wave detail: north northeast 2 feet at 3 seconds.
.wednesday...winds variable less than 10 knots. seas to 2 feet or
less. wave detail: north northeast 2 feet at 3 seconds.
.thursday...winds variable less than 10 knots. seas to 2 feet or
less.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 10/18/2026 9:47 AM US/Hawaii.
Valid through 10/18/2026 10:30 PM US/Hawaii.
fzhw50 phfo 181947
cwfhfo
expires:202610190830;;325749
coastal waters forecast
national weather service honolulu hi
947 am hst sun oct 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-190830-
pailolo channel-
947 am hst sun oct 18 2026
...small craft advisory in effect through early monday morning...
.rest of today...east northeast winds to 25 knots. seas 5 to
7 feet. wave detail: east 5 feet at 5 seconds. isolated showers.
.tonight...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 5 seconds. isolated showers.
.monday...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 5 seconds. isolated showers in the
morning.
.monday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 4 feet at 7 seconds.
.tuesday...east northeast winds to 20 knots. seas 4 to 6 feet.
wave detail: east northeast 4 feet at 7 seconds.
.tuesday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 4 feet at 7 seconds.
.wednesday...east northeast winds to 15 knots, easing to 10 knots
after midnight. seas 4 to 6 feet. wave detail: east 4 feet at
6 seconds.
.thursday...east northeast winds 7 to 10 knots. seas 3 to 5 feet.
$$
(5/5)
Latest Coastal Waters Forecast by PHFO
Issued 10/18/2026 9:47 AM US/Hawaii.
Valid through 10/18/2026 10:30 PM US/Hawaii.
fzhw50 phfo 181947
cwfhfo
expires:202610190830;;325750
coastal waters forecast
national weather service honolulu hi
947 am hst sun oct 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-190830-
alenuihaha channel-
947 am hst sun oct 18 2026
...small craft advisory in effect through early monday morning...
.rest of today...east northeast winds 25 to 30 knots. seas 7 to
8 feet. wave detail: northeast 8 feet at 7 seconds. scattered
showers.
.tonight...east northeast winds 25 to 30 knots. seas 7 to 8 feet.
wave detail: east northeast 8 feet at 7 seconds. scattered
showers.
.monday...east northeast winds 20 to 25 knots. seas 6 to 8 feet.
wave detail: east northeast 8 feet at 7 seconds. scattered
showers.
.monday night...east northeast winds 20 to 25 knots. seas 6 to
8 feet. wave detail: east northeast 7 feet at 7 seconds.
scattered showers in the evening.
.tuesday...east northeast winds 20 to 25 knots. seas 6 to 8 feet.
wave detail: east northeast 7 feet at 7 seconds.
.tuesday night...east northeast winds 20 to 25 knots. seas 6 to
8 feet. wave detail: east northeast 7 feet at 7 seconds.
.wednesday...east northeast winds 20 to 25 knots, becoming east
15 to 20 knots after midnight. seas 5 to 7 feet. wave detail:
east northeast 6 feet at 7 seconds.
.thursday...east northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. seas 4 to 6 feet. wave detail: east
4 feet at 5 seconds and northeast 3 feet at 8 seconds.
$$
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