fzhw50 phfo 181341
cwfhfo
expires:202512190200;;799796

coastal waters forecast
national weather service honolulu hi
340 am hst thu dec 18 2025

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


phz113-190200-
kauai channel-
341 am hst thu dec 18 2025

...small craft advisory in effect through early friday morning...

.today...south southwest winds 10 to 15 knots. seas 3 to 4 feet,
building to 4 to 6 feet this afternoon. wave detail: north 5 feet
at 13 seconds. occasional heavy showers with isolated
thunderstorms. 
.tonight...southwest winds 10 to 15 knots. seas 5 to 7 feet. wave
detail: north northwest 7 feet at 13 seconds. numerous heavy
showers with isolated thunderstorms. 
.friday...south southwest winds 7 to 10 knots. seas 5 to 7 feet.
wave detail: north northwest 7 feet at 12 seconds. isolated
thunderstorms in the morning. numerous heavy showers. 
.friday night...winds variable less than 10 knots. seas 4 to
6 feet. wave detail: north northwest 6 feet at 12 seconds.
numerous showers, mainly in the evening. 
.saturday...east winds 7 to 10 knots in the morning, becoming
variable less than 10 knots. seas 5 to 7 feet. wave detail: north
northwest 7 feet at 12 seconds. scattered showers. 
.saturday night...east northeast winds to 10 knots, rising to
15 knots after midnight. seas 5 to 7 feet. wave detail: north
7 feet at 13 seconds. scattered showers, mainly in the evening. 
.sunday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: north 7 feet at 12 seconds. isolated showers. 
.monday...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: north 5 feet at 11 seconds. isolated showers.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 181341
cwfhfo
expires:202512190200;;799797

coastal waters forecast
national weather service honolulu hi
340 am hst thu dec 18 2025

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


phz114-190200-
oahu windward waters-
341 am hst thu dec 18 2025

...small craft advisory in effect through early friday morning...

.today...south southwest winds 10 to 15 knots. seas 5 to 7 feet,
building to 6 to 9 feet this afternoon. wave detail: north 8 feet
at 13 seconds. occasional heavy showers with isolated
thunderstorms. 
.tonight...southwest winds 10 to 15 knots. seas 7 to 10 feet.
wave detail: north northwest 10 feet at 13 seconds. occasional
heavy showers with isolated thunderstorms. 
.friday...south southeast winds 7 to 10 knots. seas 7 to 8 feet.
wave detail: north northwest 8 feet at 12 seconds. isolated
thunderstorms in the morning. numerous heavy showers. 
.friday night...winds variable less than 10 knots. seas 7 to
8 feet. wave detail: north northwest 7 feet at 12 seconds.
numerous showers, mainly in the evening. 
.saturday...east winds 7 to 10 knots. seas 6 to 8 feet. wave
detail: north northwest 7 feet at 12 seconds. scattered showers. 
.saturday night...east northeast winds 10 to 15 knots. seas 6 to
9 feet. wave detail: north 6 feet at 12 seconds. scattered
showers. 
.sunday...east northeast winds 15 to 20 knots. seas 6 to 9 feet.
wave detail: north 7 feet at 12 seconds. scattered showers. 
.monday...east winds to 20 knots, becoming east northeast in the
evening, then becoming east after midnight. seas 4 to 6 feet.
wave detail: north 5 feet at 11 seconds. scattered showers,
mainly in the morning.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 181341
cwfhfo
expires:202512190200;;799798

coastal waters forecast
national weather service honolulu hi
340 am hst thu dec 18 2025

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


phz115-190200-
oahu leeward waters-
341 am hst thu dec 18 2025

...small craft advisory in effect through early friday morning...

.today...south southwest winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: northwest 5 feet at 12 seconds. numerous heavy
showers with isolated thunderstorms. 
.tonight...south southwest winds 10 to 15 knots. seas 4 to
6 feet. wave detail: north northwest 6 feet at 13 seconds.
scattered heavy showers with isolated thunderstorms. 
.friday...south winds 7 to 10 knots. seas 4 to 6 feet. wave
detail: north northwest 6 feet at 12 seconds. scattered heavy
showers with isolated thunderstorms in the morning, then numerous
showers in the afternoon. 
.friday night...winds variable less than 10 knots. seas 4 to
6 feet. wave detail: north northwest 6 feet at 12 seconds.
scattered showers. 
.saturday...winds variable less than 10 knots, becoming east
northeast 7 to 10 knots in the afternoon. seas 3 to 5 feet. wave
detail: north northwest 5 feet at 12 seconds. scattered showers. 
.saturday night...east northeast winds 10 to 15 knots. seas 3 to
4 feet. isolated showers. 
.sunday...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
isolated showers. 
.monday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots. seas 3 to 4 feet. isolated showers.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 181341
cwfhfo
expires:202512190200;;799799

coastal waters forecast
national weather service honolulu hi
340 am hst thu dec 18 2025

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


phz116-190200-
kaiwi channel-
341 am hst thu dec 18 2025

...small craft advisory in effect through early friday morning...

.today...south southwest winds 10 to 15 knots. seas 4 to 6 feet.
wave detail: north northwest 5 feet at 12 seconds and north
3 feet at 12 seconds. numerous heavy showers with isolated
thunderstorms this morning, then scattered heavy showers this
afternoon. 
.tonight...south southwest winds 10 to 15 knots. seas 5 to
7 feet. wave detail: northwest 7 feet at 13 seconds. scattered
heavy showers. isolated thunderstorms after midnight. 
.friday...south winds 7 to 10 knots. seas 5 to 7 feet. wave
detail: northwest 7 feet at 12 seconds. scattered heavy showers
in the morning, then numerous showers in the afternoon. 
.friday night...winds variable less than 10 knots. seas 4 to
6 feet. wave detail: north northwest 6 feet at 12 seconds.
scattered showers. 
.saturday...east northeast winds 7 to 10 knots. seas 3 to 5 feet.
wave detail: north northwest 5 feet at 12 seconds. isolated
showers. 
.saturday night...east northeast winds 10 to 15 knots. seas 4 to
6 feet. wave detail: north 6 feet at 12 seconds. isolated
showers. 
.sunday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: north 5 feet at 12 seconds. isolated showers. 
.monday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: north 6 feet at 11 seconds. isolated showers.  

winds and seas higher in and near tstms.

$$