fzhw50 phfo 071510
cwfhfo
expires:202609080415;;059669

coastal waters forecast
national weather service honolulu hi
510 am hst mon sep 7 2026

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


phz113-080415-
kauai channel-
510 am hst mon sep 7 2026

...tropical storm warning in effect...

.today...tropical storm conditions. east winds 25 to 30 knots,
rising to 30 to 40 knots this afternoon. seas 12 to 16 feet,
building to 17 to 22 feet this afternoon. wave detail: south
southwest 16 feet at 12 seconds and east 5 feet at 12 seconds.
frequent heavy showers with isolated thunderstorms. 
.tonight...tropical storm conditions expected. south southeast
winds 40 to 50 knots. seas 20 to 25 feet, subsiding to 16 to
21 feet after midnight. wave detail: southwest 22 feet at
11 seconds and east northeast 5 feet at 11 seconds. frequent
heavy showers with isolated thunderstorms. 
.tuesday...tropical storm conditions possible. south southwest
winds 25 to 30 knots, easing to 20 to 25 knots in the afternoon.
seas 10 to 14 feet, subsiding to 6 to 8 feet in the afternoon.
wave detail: west 12 feet at 8 seconds, south southwest 5 feet at
14 seconds and east 4 feet at 11 seconds. frequent heavy showers
in the morning, then numerous showers in the afternoon. 
.tuesday night...south southwest winds 10 to 15 knots. seas 5 to
7 feet. wave detail: west 4 feet at 5 seconds, south southwest
4 feet at 14 seconds and east 3 feet at 13 seconds. scattered
showers. 
.wednesday...winds variable less than 10 knots. seas 5 to 6 feet.
wave detail: south southwest 4 feet at 14 seconds and east 3 feet
at 13 seconds. scattered showers. 
.wednesday night...east winds 7 to 10 knots, becoming 10 to
15 knots after midnight. seas 5 to 6 feet. wave detail: south
southwest 4 feet at 13 seconds, east 3 feet at 6 seconds and east
3 feet at 12 seconds. scattered showers. 
.thursday...east winds 7 to 10 knots, backing to east northeast
10 to 15 knots. seas 4 to 6 feet. wave detail: east 4 feet at
5 seconds and south southwest 4 feet at 12 seconds. scattered
showers. 
.friday...east northeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east 3 feet at 5 seconds. isolated showers through
the night, then scattered showers through the day.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 071510
cwfhfo
expires:202609080415;;059670

coastal waters forecast
national weather service honolulu hi
510 am hst mon sep 7 2026

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


phz114-080415-
oahu windward waters-
510 am hst mon sep 7 2026

...tropical storm warning in effect...

.today...tropical storm conditions possible. east winds 25 to
30 knots. seas 9 to 13 feet, building to 12 to 16 feet this
afternoon. wave detail: southeast 11 feet at 10 seconds,
southwest 10 feet at 13 seconds and east 5 feet at 12 seconds.
frequent heavy showers with isolated thunderstorms. 
.tonight...tropical storm conditions expected. east southeast
winds 25 to 35 knots. seas 12 to 17 feet. wave detail: south
southwest 15 feet at 15 seconds, south southwest 7 feet at
11 seconds and east 5 feet at 11 seconds. isolated thunderstorms
in the evening. frequent heavy showers. 
.tuesday...tropical storm conditions possible. south winds 25 to
30 knots, easing to 20 to 25 knots in the afternoon. seas 9 to
12 feet, subsiding to 6 to 9 feet in the afternoon. wave detail:
south southwest 10 feet at 8 seconds, south southwest 5 feet at
14 seconds and east 4 feet at 13 seconds. numerous showers. 
.tuesday night...south winds 10 to 15 knots. seas 5 to 7 feet.
wave detail: east southeast 4 feet at 5 seconds, south southwest
4 feet at 14 seconds and east 3 feet at 13 seconds. scattered
showers. 
.wednesday...southeast winds 7 to 10 knots, backing to east
southeast 10 to 15 knots in the afternoon. seas 4 to 6 feet. wave
detail: south southwest 4 feet at 14 seconds, east 3 feet at
5 seconds and east 3 feet at 13 seconds. scattered showers. 
.wednesday night...east southeast winds to 15 knots. seas 4 to
6 feet. wave detail: east 4 feet at 6 seconds, east 3 feet at
12 seconds and south southwest 3 feet at 13 seconds. scattered
showers. 
.thursday...east winds 10 to 15 knots. seas 4 to 6 feet. wave
detail: east southeast 4 feet at 5 seconds and east 3 feet at
11 seconds. scattered showers. 
.friday...east winds 10 to 15 knots. seas 4 to 6 feet. wave
detail: east 3 feet at 5 seconds and east 3 feet at 11 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 071510
cwfhfo
expires:202609080415;;059671

coastal waters forecast
national weather service honolulu hi
510 am hst mon sep 7 2026

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


phz115-080415-
oahu leeward waters-
510 am hst mon sep 7 2026

...tropical storm warning in effect...

.today...tropical storm conditions possible. east winds 20 to
25 knots, becoming east southeast 25 to 30 knots this afternoon.
seas 10 to 14 feet, building to 15 to 18 feet this afternoon.
wave detail: southwest 13 feet at 12 seconds. frequent heavy
showers with isolated thunderstorms. 
.tonight...tropical storm conditions expected. southeast winds
30 to 35 knots, veering to south southeast 25 to 35 knots after
midnight. seas 16 to 19 feet, subsiding to 13 to 17 feet after
midnight. wave detail: southwest 16 feet at 10 seconds. frequent
heavy showers with isolated thunderstorms. 
.tuesday...tropical storm conditions possible. south southwest
winds 20 to 25 knots, easing to 15 to 20 knots in the afternoon.
seas 9 to 12 feet, subsiding to 6 to 7 feet in the afternoon.
wave detail: west 10 feet at 8 seconds and south southwest 6 feet
at 8 seconds. numerous showers. 
.tuesday night...south southwest winds to 10 knots in the
evening, becoming variable less than 10 knots. seas 4 to 6 feet.
wave detail: south southwest 4 feet at 14 seconds and west 3 feet
at 4 seconds. numerous showers. 
.wednesday...winds variable less than 10 knots. seas 4 to 5 feet.
wave detail: south southwest 4 feet at 14 seconds. numerous
showers, mainly in the morning. 
.wednesday night...east winds 7 to 10 knots. seas 4 to 5 feet.
wave detail: south southwest 4 feet at 13 seconds and east
southeast 3 feet at 5 seconds. scattered showers. 
.thursday...winds variable less than 10 knots, becoming east to
10 knots. seas 4 to 6 feet. wave detail: south southwest 4 feet
at 12 seconds and east 3 feet at 5 seconds. scattered showers. 
.friday...east northeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east 3 feet at 5 seconds. isolated showers.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 071510
cwfhfo
expires:202609080415;;059672

coastal waters forecast
national weather service honolulu hi
510 am hst mon sep 7 2026

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


phz116-080415-
kaiwi channel-
510 am hst mon sep 7 2026

...small craft advisory in effect through tuesday afternoon...

.today...east winds 20 to 25 knots. seas 9 to 12 feet, building
to 12 to 16 feet this afternoon. wave detail: southwest 12 feet
at 13 seconds, south 10 feet at 11 seconds and east northeast
5 feet at 12 seconds. frequent heavy showers with isolated
thunderstorms. 
.tonight...southeast winds 25 to 30 knots. seas 12 to 15 feet,
subsiding to 10 to 14 feet after midnight. wave detail: southwest
12 feet at 11 seconds and east northeast 5 feet at 11 seconds.
isolated thunderstorms in the evening. frequent heavy showers. 
.tuesday...south winds 25 to 30 knots, easing to 20 to 25 knots
in the afternoon. seas 9 to 13 feet, subsiding to 6 to 8 feet in
the afternoon. wave detail: south southwest 10 feet at 8 seconds
and east 4 feet at 13 seconds. numerous showers. 
.tuesday night...south winds to 10 knots in the evening, becoming
variable less than 10 knots. seas 6 to 7 feet, subsiding to 4 to
5 feet after midnight. wave detail: south southwest 4 feet at
14 seconds, south southwest 3 feet at 5 seconds and east 3 feet
at 13 seconds. scattered showers in the evening, then numerous
showers after midnight. 
.wednesday...southeast winds 7 to 10 knots, backing to east
southeast 10 to 15 knots in the afternoon. seas 4 to 6 feet. wave
detail: south southwest 4 feet at 14 seconds, east southeast
3 feet at 5 seconds and east 3 feet at 13 seconds. scattered
showers. 
.wednesday night...east winds 10 to 15 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 5 seconds, south southwest 4 feet at
13 seconds and east 3 feet at 12 seconds. scattered showers. 
.thursday...east northeast winds 10 to 15 knots. seas 4 to
6 feet. wave detail: east 4 feet at 5 seconds, south southwest
4 feet at 12 seconds and east 3 feet at 11 seconds. scattered
showers, mainly in the morning. 
.friday...east northeast winds 10 to 15 knots. seas 4 to 6 feet.
wave detail: east northeast 3 feet at 5 seconds. isolated
showers.  

winds and seas higher in and near tstms.

$$