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(1/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/18/2026 3:47 PM US/Hawaii.
Valid through 8/19/2026 4:30 AM US/Hawaii.
fzhw50 phfo 190147
cwfhfo
expires:202608191430;;965409
coastal waters forecast
national weather service honolulu hi
347 pm hst tue aug 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-191430-
maui county windward waters-
347 pm hst tue aug 18 2026
.tonight...east winds 10 to 15 knots. seas to 4 feet. wave
detail: east 4 feet at 8 seconds. scattered showers.
.wednesday...east northeast winds 10 to 15 knots. seas to 4 feet.
wave detail: east 4 feet at 8 seconds. scattered showers.
.wednesday night...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 8 seconds. isolated showers
in the evening, then scattered showers after midnight.
.thursday...east northeast winds 10 to 15 knots, backing to
northeast 7 to 10 knots in the afternoon. seas 3 to 4 feet. wave
detail: east 3 feet at 7 seconds. scattered showers.
.thursday night...east winds 7 to 10 knots. seas to 3 feet. wave
detail: east 3 feet at 5 seconds. scattered showers in the
evening, then showers likely after midnight.
.friday...east southeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 5 seconds. scattered showers.
.friday night...east winds to 15 knots. seas to 4 feet. wave
detail: east southeast 4 feet at 6 seconds. scattered showers.
.saturday...east winds to 15 knots, becoming 15 to 20 knots. seas
4 to 6 feet. wave detail: east southeast 6 feet at 7 seconds.
isolated showers, then scattered showers after midnight.
.sunday...east winds to 20 knots. seas 6 to 8 feet. wave detail:
east southeast 6 feet at 7 seconds. scattered showers, then
showers likely after midnight.
$$
(2/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/18/2026 3:47 PM US/Hawaii.
Valid through 8/19/2026 4:30 AM US/Hawaii.
fzhw50 phfo 190147
cwfhfo
expires:202608191430;;965410
coastal waters forecast
national weather service honolulu hi
347 pm hst tue aug 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-191430-
maui county leeward waters-
347 pm hst tue aug 18 2026
.tonight...east northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 5 seconds. isolated showers.
.wednesday...northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 5 seconds. isolated showers.
.wednesday night...northeast winds 7 to 10 knots. seas to 3 feet.
wave detail: east 3 feet at 4 seconds.
.thursday...north northeast winds 7 to 10 knots. seas to 2 feet
or less. isolated showers.
.thursday night...northeast winds 7 to 10 knots in the evening,
becoming variable less than 10 knots. seas to 2 feet or less.
scattered showers.
.friday...winds variable less than 10 knots. seas to 2 feet or
less, then to 3 feet in the afternoon. scattered showers, mainly
in the morning.
.friday night...northeast winds 7 to 10 knots, veering to east
10 to 15 knots after midnight. seas 3 to 4 feet. wave detail:
east southeast 3 feet at 6 seconds. isolated showers in the
evening, then scattered showers after midnight.
.saturday...north northeast winds 7 to 10 knots, veering to east
northeast 10 to 15 knots. seas 3 to 4 feet. wave detail: east
4 feet at 6 seconds. isolated showers.
.sunday...northeast winds 10 to 15 knots, rising to 15 to
20 knots. seas 4 to 6 feet. wave detail: east 5 feet at
7 seconds. isolated showers through the night, then scattered
showers through the day.
$$
(3/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/18/2026 3:47 PM US/Hawaii.
Valid through 8/19/2026 4:30 AM US/Hawaii.
fzhw50 phfo 190147
cwfhfo
expires:202608191430;;965411
coastal waters forecast
national weather service honolulu hi
347 pm hst tue aug 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-191430-
maalaea bay-
347 pm hst tue aug 18 2026
.tonight...north winds 15 to 20 knots. seas to 2 feet or less.
isolated showers this evening.
.wednesday...north winds 15 to 20 knots. seas to 2 feet or less.
isolated showers in the afternoon.
.wednesday night...north winds to 20 knots, easing to 15 knots
after midnight. seas to 2 feet or less. isolated showers in the
evening.
.thursday...north winds to 15 knots. seas to 2 feet or less.
isolated showers in the morning, then scattered showers in the
afternoon.
.thursday night...north winds to 15 knots in the evening,
becoming variable less than 10 knots. seas to 2 feet or less.
isolated showers in the evening, then scattered showers after
midnight.
.friday...winds variable less than 10 knots, becoming north
northeast to 20 knots in the afternoon. seas to 2 feet or less.
scattered showers.
.friday night...north winds to 20 knots. seas to 2 feet or less.
isolated showers.
.saturday...north winds to 20 knots, rising to 25 knots. seas to
2 feet or less. wave detail: north northeast 2 feet at 3 seconds.
.sunday...north winds to 25 knots. seas to 3 feet. wave detail:
north northeast 3 feet at 3 seconds. isolated showers in the
afternoon. scattered showers through the day.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/18/2026 3:47 PM US/Hawaii.
Valid through 8/19/2026 4:30 AM US/Hawaii.
fzhw50 phfo 190147
cwfhfo
expires:202608191430;;965412
coastal waters forecast
national weather service honolulu hi
347 pm hst tue aug 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-191430-
pailolo channel-
347 pm hst tue aug 18 2026
.tonight...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 4 seconds. isolated showers.
.wednesday...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: east 3 feet at 4 seconds. scattered showers,
mainly in the morning.
.wednesday night...east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas to 3 feet. isolated showers.
.thursday...east northeast winds 10 to 15 knots. seas to 3 feet.
scattered showers.
.thursday night...east northeast winds 10 to 15 knots in the
evening, becoming variable less than 10 knots. seas to 3 feet in
the evening, then to 2 feet or less. scattered showers.
.friday...winds variable less than 10 knots, becoming east
southeast 15 to 20 knots in the afternoon. seas to 2 feet or
less, then to 3 feet in the afternoon. scattered showers.
.friday night...east northeast winds 15 to 20 knots. seas to
3 feet. scattered showers.
.saturday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots. seas 3 to 5 feet. wave detail: east 4 feet at
4 seconds. isolated showers.
.sunday...east northeast winds 20 to 25 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 4 seconds. isolated showers through
the night. scattered showers through the day.
$$
(5/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/18/2026 3:47 PM US/Hawaii.
Valid through 8/19/2026 4:30 AM US/Hawaii.
fzhw50 phfo 190147
cwfhfo
expires:202608191430;;965413
coastal waters forecast
national weather service honolulu hi
347 pm hst tue aug 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-191430-
alenuihaha channel-
347 pm hst tue aug 18 2026
.tonight...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 5 feet at 6 seconds. scattered showers, mainly
this evening.
.wednesday...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: east 4 feet at 5 seconds. isolated showers.
.wednesday night...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: east 4 feet at 5 seconds. isolated showers
in the evening. scattered showers after midnight.
.thursday...northeast winds 15 to 20 knots, easing to 10 to
15 knots in the afternoon. seas to 3 feet. wave detail: east
northeast 3 feet at 5 seconds. isolated showers.
.thursday night...northeast winds 10 to 15 knots, veering to east
northeast 7 to 10 knots after midnight. seas to 3 feet. scattered
showers.
.friday...east northeast winds 7 to 10 knots, rising to 15 to
20 knots in the afternoon. seas 3 to 4 feet. wave detail: east
3 feet at 5 seconds. scattered showers, mainly in the morning.
.friday night...east northeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: east 4 feet at 6 seconds. isolated showers
in the evening, then scattered showers after midnight.
.saturday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots. seas 5 to 7 feet. wave detail: east 6 feet at
6 seconds. isolated showers.
.sunday...east northeast winds 20 to 25 knots, rising to 25 to
30 knots in the evening, easing to 20 to 25 knots after midnight.
seas 5 to 8 feet. wave detail: east 7 feet at 7 seconds. isolated
showers through the night, then scattered showers through the
day.
$$
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