fzhw50 phfo 161836
cwfhfo
expires:202608170745;;303993

coastal waters forecast
national weather service honolulu hi
836 am hst sun aug 16 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz113-170745-
kauai channel-
836 am hst sun aug 16 2026

...tropical storm warning in effect...

.rest of today...tropical storm conditions. east winds 40 to
50 knots. seas 14 to 18 feet, subsiding to 12 to 16 feet this
afternoon. wave detail: southeast 18 feet at 10 seconds, south
4 feet at 13 seconds and east 3 feet at 8 seconds. a slight
chance of thunderstorms. heavy showers. 
.tonight...east southeast winds 25 to 30 knots, backing to east
20 to 25 knots after midnight. seas 7 to 10 feet, subsiding to
5 to 7 feet after midnight. wave detail: east 10 feet at
7 seconds and south 5 feet at 15 seconds. numerous heavy showers.
.monday...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 7 feet at 6 seconds and south 4 feet at 14 seconds.
scattered showers. 
.monday night...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
13 seconds. scattered showers, mainly in the evening. 
.tuesday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 5 seconds and south 3 feet at
13 seconds. isolated showers. 
.tuesday night...east northeast winds to 15 knots. seas 4 to
5 feet. wave detail: east northeast 4 feet at 5 seconds. isolated
showers after midnight. 
.wednesday...east northeast winds 10 to 15 knots. seas 4 to
5 feet. wave detail: east northeast 4 feet at 5 seconds. isolated
showers, then scattered showers after midnight. 
.thursday...east northeast winds 10 to 15 knots. seas to 4 feet.
wave detail: east northeast 3 feet at 4 seconds. scattered
showers in the morning, then isolated showers in the afternoon.
scattered showers through the day.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 161836
cwfhfo
expires:202608170745;;303994

coastal waters forecast
national weather service honolulu hi
836 am hst sun aug 16 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz114-170745-
oahu windward waters-
836 am hst sun aug 16 2026

...tropical storm warning in effect...

.rest of today...tropical storm conditions expected. east winds
30 to 40 knots, easing to 25 to 30 knots this afternoon. seas
9 to 12 feet. wave detail: east southeast 12 feet at 8 seconds
and south 3 feet at 13 seconds. a slight chance of thunderstorms.
heavy showers. 
.tonight...east winds 20 to 25 knots. gusts up to 35 knots in the
evening. seas 5 to 8 feet, subsiding to 4 to 6 feet after
midnight. wave detail: east 8 feet at 7 seconds and south 3 feet
at 15 seconds. scattered showers. 
.monday...east winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east southeast 6 feet at 7 seconds. scattered showers,
mainly in the morning. 
.monday night...east winds to 15 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 5 seconds and east 3 feet at 8 seconds.
isolated showers. 
.tuesday...east winds to 15 knots. seas 4 to 5 feet. wave detail:
east 4 feet at 5 seconds and east 3 feet at 8 seconds. isolated
showers. 
.tuesday night...east winds to 15 knots. seas 4 to 5 feet. wave
detail: east 4 feet at 5 seconds and east 3 feet at 8 seconds.
isolated showers after midnight. 
.wednesday...east winds 10 to 15 knots. seas 4 to 5 feet. wave
detail: east 3 feet at 5 seconds and east 3 feet at 8 seconds.
isolated showers through the night, then scattered showers
through the day. 
.thursday...east northeast winds 10 to 15 knots, veering to east
7 to 10 knots after midnight. seas 4 to 5 feet. scattered
showers.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 161836
cwfhfo
expires:202608170745;;303995

coastal waters forecast
national weather service honolulu hi
836 am hst sun aug 16 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz115-170745-
oahu leeward waters-
836 am hst sun aug 16 2026

...tropical storm warning in effect...

.rest of today...tropical storm conditions. east southeast winds
45 to 55 knots, easing to 30 to 40 knots this afternoon. seas
12 to 16 feet, subsiding to 9 to 13 feet this afternoon. wave
detail: southeast 16 feet at 9 seconds and south 5 feet at
13 seconds. a slight chance of thunderstorms. heavy showers. 
.tonight...east southeast winds 15 to 20 knots. seas 5 to 7 feet,
subsiding to 4 to 5 feet after midnight. wave detail: south
7 feet at 6 seconds and south 5 feet at 15 seconds. numerous
heavy showers. 
.monday...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east southeast 5 feet at 6 seconds and south 4 feet at
15 seconds. scattered showers. 
.monday night...east northeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: east southeast 5 feet at 6 seconds and south
4 feet at 14 seconds. isolated showers. 
.tuesday...east northeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds and south 3 feet at
13 seconds. isolated showers in the morning. 
.tuesday night...east northeast winds to 15 knots. seas 4 to
5 feet. wave detail: east 3 feet at 5 seconds. isolated showers
after midnight. 
.wednesday...east northeast winds 10 to 15 knots. seas to 4 feet.
wave detail: east 3 feet at 4 seconds. isolated showers in the
morning. isolated showers after midnight. 
.thursday...east northeast winds 7 to 10 knots, veering to east
10 to 15 knots in the evening, backing to northeast 7 to 10 knots
after midnight. seas to 4 feet. isolated showers.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 161836
cwfhfo
expires:202608170745;;303996

coastal waters forecast
national weather service honolulu hi
836 am hst sun aug 16 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz116-170745-
kaiwi channel-
836 am hst sun aug 16 2026

...tropical storm warning in effect...

.rest of today...tropical storm conditions expected. east winds
30 to 40 knots, easing to 25 to 30 knots this afternoon. seas
9 to 12 feet, subsiding to 6 to 9 feet this afternoon. wave
detail: southeast 12 feet at 8 seconds, south 5 feet at
13 seconds and east 4 feet at 8 seconds. a slight chance of
thunderstorms. heavy showers. 
.tonight...east winds 20 to 25 knots. seas 5 to 7 feet, subsiding
to 4 to 5 feet after midnight. wave detail: east 7 feet at
7 seconds and south 5 feet at 14 seconds. scattered showers. 
.monday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 7 seconds and south 4 feet at
14 seconds. isolated showers. 
.monday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 5 feet at 5 seconds, east
3 feet at 8 seconds and south 3 feet at 13 seconds. isolated
showers. 
.tuesday...east northeast winds to 15 knots. seas 4 to 5 feet.
wave detail: east northeast 4 feet at 5 seconds, east 3 feet at
8 seconds and south 3 feet at 13 seconds. 
.tuesday night...east northeast winds to 15 knots. seas 4 to
5 feet. wave detail: east northeast 4 feet at 5 seconds and east
3 feet at 8 seconds. isolated showers after midnight. 
.wednesday...east northeast winds 10 to 15 knots. seas 4 to
5 feet. wave detail: northeast 3 feet at 5 seconds and east
3 feet at 8 seconds. isolated showers. scattered showers after
midnight. 
.thursday...east northeast winds 10 to 15 knots. seas to 4 feet.
isolated showers.  

winds and seas higher in and near tstms.

$$