fzhw50 phfo 181940
cwfhfo
expires:202603190830;;915675

coastal waters forecast
national weather service honolulu hi
940 am hst wed mar 18 2026

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


phz113-190830-
kauai channel-
940 am hst wed mar 18 2026

.rest of today...east winds 7 to 10 knots. seas 5 to 8 feet. wave
detail: north 7 feet at 12 seconds and south 3 feet at
15 seconds. scattered showers late this morning, then isolated
showers this afternoon. 
.tonight...southeast winds 7 to 10 knots. seas 5 to 7 feet. wave
detail: north 5 feet at 12 seconds and south 3 feet at
15 seconds. isolated showers. 
.thursday...south southeast winds 10 to 15 knots. seas 5 to
7 feet. wave detail: north 5 feet at 11 seconds, east northeast
3 feet at 5 seconds and south 3 feet at 14 seconds. isolated
showers in the morning, then heavy showers likely in the
afternoon. 
.thursday night...south winds to 10 knots. seas 4 to 5 feet. wave
detail: north 4 feet at 10 seconds and south 3 feet at
13 seconds. heavy showers with isolated thunderstorms. 
.friday...south southwest winds to 10 knots. seas 4 to 6 feet.
wave detail: north 5 feet at 10 seconds. heavy showers with
isolated thunderstorms. 
.friday night...southwest winds 10 to 15 knots. seas 5 to 7 feet.
wave detail: north 6 feet at 11 seconds. heavy showers with
isolated thunderstorms. 
.saturday...southwest winds 15 to 20 knots, becoming west
southwest 10 to 15 knots after midnight. seas 4 to 6 feet. wave
detail: north northeast 5 feet at 11 seconds. heavy showers.
isolated thunderstorms. scattered heavy showers after midnight. 
.sunday...west winds 7 to 10 knots in the morning, becoming
variable less than 10 knots, then becoming north to 10 knots in
the evening, becoming north northeast. seas 5 to 7 feet. wave
detail: north 4 feet at 10 seconds. isolated thunderstorms.
scattered heavy showers.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 181940
cwfhfo
expires:202603190830;;915676

coastal waters forecast
national weather service honolulu hi
940 am hst wed mar 18 2026

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


phz114-190830-
oahu windward waters-
940 am hst wed mar 18 2026

.rest of today...east winds to 10 knots. seas 6 to 7 feet. wave
detail: north 7 feet at 12 seconds. isolated showers. 
.tonight...east southeast winds 10 to 15 knots. seas 6 to 7 feet.
wave detail: north 6 feet at 12 seconds and east northeast 3 feet
at 5 seconds. 
.thursday...southeast winds 15 to 20 knots, becoming south
southeast 10 to 15 knots in the afternoon. seas 5 to 6 feet. wave
detail: north 5 feet at 11 seconds and east northeast 3 feet at
5 seconds. heavy showers likely in the afternoon. 
.thursday night...south southeast winds 10 to 15 knots. seas 4 to
5 feet. wave detail: north 4 feet at 10 seconds. heavy showers
with isolated thunderstorms. 
.friday...south southwest winds 10 to 15 knots. seas to 5 feet.
wave detail: north 5 feet at 10 seconds. heavy showers with
isolated thunderstorms. 
.friday night...south southwest winds 10 to 15 knots. seas 5 to
6 feet. wave detail: north 6 feet at 11 seconds. heavy showers
with isolated thunderstorms. 
.saturday...southwest winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: north northeast 6 feet at 11 seconds. heavy showers.
isolated thunderstorms. scattered heavy showers after midnight. 
.sunday...west northwest winds 7 to 10 knots, veering to north to
10 knots. seas 5 to 7 feet. wave detail: north 5 feet at
15 seconds. isolated thunderstorms. scattered heavy showers.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 181940
cwfhfo
expires:202603190830;;915677

coastal waters forecast
national weather service honolulu hi
940 am hst wed mar 18 2026

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


phz115-190830-
oahu leeward waters-
940 am hst wed mar 18 2026

.rest of today...east winds to 10 knots. seas 5 to 8 feet. wave
detail: north northwest 6 feet at 12 seconds and south 4 feet at
15 seconds. isolated showers. 
.tonight...east southeast winds 7 to 10 knots. seas 5 to 6 feet.
wave detail: north northwest 5 feet at 12 seconds and south
4 feet at 15 seconds. isolated showers. 
.thursday...south southeast winds 10 to 15 knots. seas 4 to
6 feet. wave detail: north 4 feet at 11 seconds and south 4 feet
at 14 seconds. isolated showers in the morning, then heavy
showers in the afternoon. 
.thursday night...south southeast winds to 10 knots. seas 4 to
5 feet. wave detail: north northwest 4 feet at 10 seconds and
south 3 feet at 13 seconds. heavy showers with isolated
thunderstorms. 
.friday...south southwest winds to 10 knots. seas 4 to 6 feet.
wave detail: north northwest 4 feet at 10 seconds and south
3 feet at 13 seconds. heavy showers with isolated thunderstorms. 
.friday night...south southwest winds 10 to 15 knots. seas 4 to
6 feet. wave detail: north northwest 4 feet at 11 seconds. heavy
showers with isolated thunderstorms. 
.saturday...south southwest winds to 15 knots. seas 4 to 6 feet.
wave detail: north northwest 4 feet at 11 seconds. heavy showers
with isolated thunderstorms. 
.sunday...west winds to 10 knots in the morning, becoming
variable less than 10 knots, then becoming north 7 to 10 knots in
the evening, veering to north northeast 10 to 15 knots. seas 3 to
5 feet. wave detail: north northwest 3 feet at 14 seconds.
numerous heavy showers with isolated thunderstorms, then a chance
of heavy showers after midnight.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 181940
cwfhfo
expires:202603190830;;915678

coastal waters forecast
national weather service honolulu hi
940 am hst wed mar 18 2026

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


phz116-190830-
kaiwi channel-
940 am hst wed mar 18 2026

.rest of today...east northeast winds 10 to 15 knots. seas 5 to
8 feet. wave detail: north 7 feet at 12 seconds and south 4 feet
at 15 seconds. isolated showers. 
.tonight...east winds 10 to 15 knots, becoming east southeast
15 to 20 knots after midnight. seas 5 to 7 feet. wave detail:
north 5 feet at 12 seconds, south 4 feet at 15 seconds and
northeast 3 feet at 5 seconds. isolated showers. 
.thursday...south southeast winds 15 to 20 knots, becoming
southeast 10 to 15 knots in the afternoon. seas 5 to 7 feet. wave
detail: north 5 feet at 11 seconds and south 4 feet at
14 seconds. isolated showers in the morning. heavy showers in the
afternoon. 
.thursday night...south southeast winds to 10 knots. seas 4 to
5 feet. wave detail: north 4 feet at 10 seconds and south 3 feet
at 13 seconds. heavy showers with isolated thunderstorms. 
.friday...south southwest winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: north 4 feet at 10 seconds and south 3 feet at
13 seconds. heavy showers with isolated thunderstorms. 
.friday night...south southwest winds 10 to 15 knots. seas 4 to
6 feet. wave detail: north 5 feet at 11 seconds. heavy showers
with isolated thunderstorms. 
.saturday...south southwest winds 15 to 20 knots. seas 4 to
6 feet. wave detail: north northeast 5 feet at 11 seconds. heavy
showers with isolated thunderstorms. 
.sunday...west winds to 10 knots in the morning, becoming
variable less than 10 knots, then becoming north 7 to 10 knots.
seas 4 to 6 feet. wave detail: north northeast 4 feet at
10 seconds. isolated thunderstorms. heavy showers likely.  

winds and seas higher in and near tstms.

$$