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(1/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/17/2026 3:20 AM US/Hawaii.
Valid through 8/17/2026 4:30 PM US/Hawaii.
fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880975
coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-180230-
maui county windward waters-
320 am hst mon aug 17 2026
.today...east winds 15 to 20 knots. seas to 5 feet. wave detail:
east 5 feet at 6 seconds. isolated showers.
.tonight...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. isolated showers.
.tuesday...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. isolated showers.
.tuesday night...east winds to 15 knots. seas 4 to 5 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 7 seconds. scattered showers.
.thursday...east northeast winds 7 to 10 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 7 seconds. scattered showers, then
numerous showers after midnight.
.friday...east southeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east southeast 4 feet at 6 seconds. scattered
showers.
$$
(2/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/17/2026 3:20 AM US/Hawaii.
Valid through 8/17/2026 4:30 PM US/Hawaii.
fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880976
coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-180230-
maui county leeward waters-
320 am hst mon aug 17 2026
.today...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east southeast 4 feet at 5 seconds and south 3 feet at
14 seconds. isolated showers.
.tonight...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 4 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers.
.tuesday...east winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east 4 feet at 6 seconds and south 3 feet at 13 seconds.
isolated showers in the afternoon.
.tuesday night...east northeast winds 7 to 10 knots. seas 3 to
5 feet. wave detail: east southeast 4 feet at 6 seconds. isolated
showers.
.wednesday...northeast winds 7 to 10 knots. seas to 3 feet. wave
detail: east southeast 3 feet at 4 seconds. isolated showers.
.wednesday night...northeast winds 7 to 10 knots. seas to 3 feet
in the evening, then to 2 feet or less. isolated showers.
.thursday...north northeast winds 7 to 10 knots, veering to
northeast 10 to 15 knots in the evening, then becoming variable
less than 10 knots after midnight. seas to 2 feet or less.
isolated showers through the night. scattered showers through the
day.
.friday...winds variable less than 10 knots, becoming east
northeast 10 to 15 knots. seas 3 to 4 feet. wave detail:
southwest 3 feet at 16 seconds. isolated showers.
$$
(3/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/17/2026 3:20 AM US/Hawaii.
Valid through 8/17/2026 4:30 PM US/Hawaii.
fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880977
coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-180230-
maalaea bay-
320 am hst mon aug 17 2026
...small craft advisory in effect through early tuesday morning...
.today...north winds to 20 knots, rising to 25 knots this
afternoon. seas to 3 feet. wave detail: south 3 feet at
14 seconds.
.tonight...north winds to 25 knots. seas to 3 feet in the
evening, then to 2 feet or less. wave detail: north northeast
3 feet at 3 seconds.
.tuesday...north winds to 25 knots. seas to 2 feet or less. wave
detail: north northeast 2 feet at 3 seconds.
.tuesday night...north winds to 20 knots. seas to 2 feet or less.
isolated showers in the evening.
.wednesday...north winds to 15 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 after
midnight.
.thursday...winds variable less than 10 knots, becoming north to
15 knots in the afternoon and evening, then becoming variable
less than 10 knots after midnight. seas to 2 feet or less.
scattered showers.
.friday...winds variable less than 10 knots, becoming north to
20 knots. seas to 2 feet or less. scattered showers through the
night, then isolated showers in the evening.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/17/2026 3:20 AM US/Hawaii.
Valid through 8/17/2026 4:30 PM US/Hawaii.
fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880978
coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-180230-
pailolo channel-
320 am hst mon aug 17 2026
...small craft advisory in effect through early tuesday morning...
.today...east northeast winds to 20 knots, rising to 25 knots
this afternoon. seas 3 to 5 feet. wave detail: east 4 feet at
4 seconds. scattered showers this morning. isolated showers this
afternoon.
.tonight...east northeast winds 20 to 25 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds. isolated showers in the
evening.
.tuesday...east northeast winds 20 to 25 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 5 seconds. isolated showers in the
afternoon.
.tuesday night...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: east 4 feet at 4 seconds. isolated showers.
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. scattered showers, mainly in the morning.
.wednesday night...east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas to 3 feet. scattered showers,
mainly in the evening.
.thursday...northeast winds 7 to 10 knots, becoming 10 to
15 knots in the afternoon and evening, then becoming variable
less than 10 knots after midnight. seas to 3 feet. scattered
showers.
.friday...winds variable less than 10 knots, becoming east
northeast 15 to 20 knots. seas to 3 feet. scattered showers .
$$
(5/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/17/2026 3:20 AM US/Hawaii.
Valid through 8/17/2026 4:30 PM US/Hawaii.
fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880979
coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-180230-
alenuihaha channel-
320 am hst mon aug 17 2026
...small craft advisory in effect through early tuesday morning...
.today...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
15 seconds. isolated showers.
.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
13 seconds. isolated showers.
.tuesday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 13 seconds. isolated showers in the afternoon.
.tuesday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. scattered showers,
mainly in the evening.
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east northeast 4 feet at 8 seconds. isolated
showers.
.wednesday night...northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas to 3 feet. wave detail: east
3 feet at 8 seconds. isolated showers.
.thursday...northeast winds 7 to 10 knots, veering to east
northeast 10 to 15 knots. seas to 3 feet. wave detail: east
northeast 3 feet at 7 seconds. isolated showers through the
night. scattered showers through the day.
.friday...east northeast winds 7 to 10 knots, becoming east 15 to
20 knots. seas 3 to 5 feet. wave detail: east 4 feet at 5 seconds
and south southwest 3 feet at 16 seconds. isolated showers.
$$
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