(1/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/12/2026 5:35 PM US/Hawaii.
Valid through 8/13/2026 6:15 AM US/Hawaii.
fzhw50 phfo 130335
cwfhfo
expires:202608131615;;092440
coastal waters forecast
national weather service honolulu hi
535 pm hst wed aug 12 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-131615-
maui county windward waters-
535 pm hst wed aug 12 2026
.tonight...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east southeast 5 feet at 7 seconds. isolated
showers.
.thursday...east northeast winds 15 to 20 knots. seas to 5 feet.
wave detail: east southeast 5 feet at 7 seconds. scattered
showers, mainly in the morning.
.thursday night...east northeast winds to 20 knots. seas 5 to
6 feet. wave detail: east 6 feet at 8 seconds. isolated showers.
.friday...east northeast winds to 20 knots. seas 7 to 9 feet.
wave detail: east southeast 8 feet at 10 seconds. isolated
showers in the morning. scattered showers in the afternoon.
.friday night...tropical storm conditions possible. east
northeast winds 20 to 25 knots. seas 10 to 11 feet, building to
11 to 13 feet after midnight. wave detail: east southeast 10 feet
at 11 seconds. heavy showers.
.saturday...tropical storm conditions possible. heavy showers.
.saturday night...tropical storm conditions possible. heavy
showers.
.sunday...tropical storm conditions possible. heavy showers
likely through the night, then scattered showers through the day.
.monday...east winds 15 to 20 knots. seas 6 to 8 feet. wave
detail: east 6 feet at 7 seconds. scattered showers through the
night, then isolated showers through the day.
$$
(2/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/12/2026 5:35 PM US/Hawaii.
Valid through 8/13/2026 6:15 AM US/Hawaii.
fzhw50 phfo 130335
cwfhfo
expires:202608131615;;092441
coastal waters forecast
national weather service honolulu hi
535 pm hst wed aug 12 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-131615-
maui county leeward waters-
535 pm hst wed aug 12 2026
.tonight...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 4 feet at
16 seconds.
.thursday...northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 5 seconds and south 5 feet at
15 seconds.
.thursday night...northeast winds 10 to 15 knots. seas 5 to
7 feet. wave detail: east 5 feet at 5 seconds and south 5 feet at
15 seconds.
.friday...northeast winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 5 seconds and south 4 feet at 14 seconds.
.friday night...tropical storm conditions possible. northeast
winds 15 to 20 knots. seas 6 to 9 feet. wave detail: east 6 feet
at 12 seconds and south 4 feet at 14 seconds. isolated showers
after midnight.
.saturday...tropical storm conditions possible. scattered
showers.
.saturday night...tropical storm conditions possible. scattered
showers in the evening, then heavy showers likely after midnight.
.sunday...tropical storm conditions possible. heavy showers
likely in the morning, then scattered showers.
.monday...east northeast winds 10 to 15 knots, becoming east
15 to 20 knots in the afternoon, then becoming east northeast
10 to 15 knots. seas 4 to 6 feet. wave detail: south 4 feet at
14 seconds and southeast 3 feet at 4 seconds. scattered showers
through the night, then isolated showers through the day.
$$
(3/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/12/2026 5:35 PM US/Hawaii.
Valid through 8/13/2026 6:15 AM US/Hawaii.
fzhw50 phfo 130335
cwfhfo
expires:202608131615;;092442
coastal waters forecast
national weather service honolulu hi
535 pm hst wed aug 12 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-131615-
maalaea bay-
535 pm hst wed aug 12 2026
...small craft advisory in effect through thursday afternoon...
.tonight...north northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: south southwest 4 feet at 17 seconds and
north northeast 3 feet at 3 seconds.
.thursday...north northeast winds 20 to 25 knots. seas 3 to
4 feet. wave detail: south southwest 4 feet at 15 seconds and
north northeast 3 feet at 3 seconds.
.thursday night...north winds to 25 knots. seas 3 to 4 feet. wave
detail: south 4 feet at 15 seconds and north northeast 3 feet at
3 seconds.
.friday...north winds to 25 knots. seas 3 to 4 feet. wave detail:
north northeast 3 feet at 4 seconds and south 3 feet at
14 seconds.
.friday night...tropical storm conditions possible. north
northeast winds 20 to 25 knots, becoming northeast 10 to 15 knots
after midnight. seas 3 to 4 feet. wave detail: north northeast
3 feet at 4 seconds and south 3 feet at 14 seconds. isolated
showers in the evening, then scattered showers after midnight.
.saturday...tropical storm conditions possible. heavy showers
likely.
.saturday night...tropical storm conditions possible. heavy
showers likely.
.sunday...east southeast winds 10 to 15 knots, backing to east
7 to 10 knots in the evening, then becoming north northeast to
20 knots after midnight. seas 3 to 4 feet. wave detail: south
3 feet at 13 seconds. scattered showers .
.monday...north winds to 25 knots, easing to 20 knots in the
afternoon and evening, rising to 25 knots after midnight. seas to
3 feet. scattered showers through the night.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/12/2026 5:35 PM US/Hawaii.
Valid through 8/13/2026 6:15 AM US/Hawaii.
fzhw50 phfo 130335
cwfhfo
expires:202608131615;;092443
coastal waters forecast
national weather service honolulu hi
535 pm hst wed aug 12 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-131615-
pailolo channel-
535 pm hst wed aug 12 2026
...small craft advisory in effect through thursday afternoon...
.tonight...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 5 seconds and south southwest 3 feet
at 16 seconds.
.thursday...east northeast winds 20 to 25 knots. seas 4 to
6 feet. wave detail: east 5 feet at 5 seconds and south southwest
4 feet at 15 seconds. isolated showers in the morning.
.thursday night...east northeast winds 20 to 25 knots. seas 4 to
6 feet. wave detail: east 4 feet at 5 seconds and south southwest
4 feet at 15 seconds.
.friday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 5 seconds and south 3 feet at
14 seconds. isolated showers.
.friday night...east northeast winds 20 to 25 knots. seas 6 to
9 feet. wave detail: east 5 feet at 5 seconds and east 3 feet at
10 seconds. scattered showers.
.saturday...tropical storm conditions possible. heavy showers
likely.
.saturday night...tropical storm conditions possible. heavy
showers likely.
.sunday...tropical storm conditions possible. heavy showers
likely in the morning, then scattered showers.
.monday...east northeast winds 20 to 25 knots, easing to 15 to
20 knots in the afternoon and evening, rising to 20 to 25 knots
after midnight. seas 3 to 5 feet. wave detail: east 3 feet at
7 seconds. scattered showers through the night, then isolated
showers through the day.
$$
(5/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/12/2026 5:35 PM US/Hawaii.
Valid through 8/13/2026 6:15 AM US/Hawaii.
fzhw50 phfo 130335
cwfhfo
expires:202608131615;;092444
coastal waters forecast
national weather service honolulu hi
535 pm hst wed aug 12 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-131615-
alenuihaha channel-
535 pm hst wed aug 12 2026
...small craft advisory in effect through thursday afternoon...
.tonight...east northeast winds 20 to 25 knots. gusts up to
35 knots this evening. seas 6 to 8 feet. wave detail: east 7 feet
at 6 seconds and south southwest 4 feet at 16 seconds. isolated
showers.
.thursday...northeast winds 20 to 25 knots, becoming east
northeast 25 to 30 knots in the afternoon. seas 6 to 9 feet. wave
detail: east 7 feet at 6 seconds and south southwest 5 feet at
15 seconds.
.thursday night...east northeast winds 20 to 25 knots. gusts up
to 35 knots in the evening. seas 6 to 9 feet, subsiding to 6 to
7 feet after midnight. wave detail: east 7 feet at 7 seconds and
south southwest 5 feet at 15 seconds. isolated showers after
midnight.
.friday...northeast winds 20 to 25 knots. gusts up to 35 knots in
the afternoon. seas 7 to 8 feet, building to 7 to 10 feet in the
afternoon. wave detail: east 7 feet at 7 seconds, east 5 feet at
10 seconds and south southwest 4 feet at 14 seconds. isolated
showers in the morning. scattered showers in the afternoon.
.friday night...tropical storm conditions possible. east
northeast winds 25 to 30 knots. seas 9 to 13 feet. wave detail:
east 10 feet at 11 seconds and south southwest 4 feet at
14 seconds. showers, mainly in the evening.
.saturday...tropical storm conditions possible. scattered showers
in the morning, then heavy showers in the afternoon.
.saturday night...tropical storm conditions possible. heavy
showers likely.
.sunday...tropical storm conditions possible. heavy showers
likely in the morning, then scattered showers.
.monday...east northeast winds 20 to 25 knots, easing to 15 to
20 knots in the afternoon and evening, rising to 20 to 25 knots
after midnight. seas 5 to 6 feet. wave detail: east 4 feet at
7 seconds and south 4 feet at 14 seconds. scattered showers
through the night, then isolated showers through the day.
$$
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