fzhw50 phfo 181312
cwfhfo
expires:202603190145;;900796

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

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


phz113-190145-
kauai channel-
312 am hst wed mar 18 2026

.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.
isolated showers this morning. 
.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. scattered showers in the evening, then numerous
showers after midnight. 
.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. numerous
showers. 
.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. scattered showers. 
.friday...south southwest winds to 10 knots. seas 4 to 6 feet.
wave detail: north 5 feet at 10 seconds. scattered showers in the
morning, then numerous showers in the afternoon. 
.friday night...southwest winds 10 to 15 knots. seas 5 to 7 feet.
wave detail: north 6 feet at 11 seconds. numerous showers. 
.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. numerous showers . 
.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. scattered showers.  

$$

fzhw50 phfo 181312
cwfhfo
expires:202603190145;;900797

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

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


phz114-190145-
oahu windward waters-
312 am hst wed mar 18 2026

.today...east winds 7 to 10 knots. seas 6 to 8 feet. wave detail:
north 8 feet at 12 seconds. isolated showers this morning. 
.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. scattered showers. 
.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. scattered showers. 
.thursday night...south southeast winds 10 to 15 knots. seas 4 to
5 feet. wave detail: north 4 feet at 10 seconds. scattered
showers. 
.friday...south southwest winds 10 to 15 knots. seas to 5 feet.
wave detail: north 5 feet at 10 seconds. numerous showers. 
.friday night...south southwest winds 10 to 15 knots. seas 5 to
6 feet. wave detail: north 6 feet at 11 seconds. occasional
showers. 
.saturday...southwest winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: north northeast 6 feet at 11 seconds. occasional
showers. 
.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. scattered showers.  

$$

fzhw50 phfo 181312
cwfhfo
expires:202603190145;;900798

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

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


phz115-190145-
oahu leeward waters-
312 am hst wed mar 18 2026

.today...east winds 7 to 10 knots. seas 5 to 8 feet. wave detail:
north northwest 7 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. scattered showers in the evening, then
numerous showers after midnight. 
.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. numerous showers. 
.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. scattered showers. 
.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. numerous showers. 
.friday night...south southwest winds 10 to 15 knots. seas 4 to
6 feet. wave detail: north northwest 4 feet at 11 seconds.
numerous showers. 
.saturday...south southwest winds to 15 knots. seas 4 to 6 feet.
wave detail: north northwest 4 feet at 11 seconds. occasional
showers. 
.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 showers .  

$$

fzhw50 phfo 181312
cwfhfo
expires:202603190145;;900799

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

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


phz116-190145-
kaiwi channel-
312 am hst wed mar 18 2026

.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. 
.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. scattered 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. scattered showers. 
.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. numerous showers. 
.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. numerous showers. 
.friday night...south southwest winds 10 to 15 knots. seas 4 to
6 feet. wave detail: north 5 feet at 11 seconds. occasional
showers. 
.saturday...south southwest winds 15 to 20 knots. seas 4 to
6 feet. wave detail: north northeast 5 feet at 11 seconds.
occasional showers. 
.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. numerous showers.  

$$