fzhw50 phfo 191310
cwfhfo
expires:202604200200;;636427

coastal waters forecast
national weather service honolulu hi
310 am hst sun apr 19 2026

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


phz113-200200-
kauai channel-
310 am hst sun apr 19 2026

.today...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 6 seconds. a slight chance of
thunderstorms this afternoon. 
.tonight...east winds 10 to 15 knots. seas 4 to 5 feet. wave
detail: east southeast 4 feet at 6 seconds. a slight chance of
showers in the evening. a slight chance of thunderstorms. a
chance of showers after midnight. 
.monday...winds variable less than 10 knots. seas 4 to 5 feet.
wave detail: east southeast 4 feet at 5 seconds. a chance of
showers, mainly in the morning. 
.monday night...winds variable less than 10 knots. seas 4 to
5 feet. wave detail: east southeast 3 feet at 5 seconds and north
northeast 3 feet at 8 seconds. a slight chance of showers. 
.tuesday...winds variable less than 10 knots. seas 4 to 5 feet.
wave detail: east 3 feet at 5 seconds and north northeast 3 feet
at 8 seconds. a slight chance of showers. 
.tuesday night...winds variable less than 10 knots. seas 4 to
6 feet. wave detail: northeast 5 feet at 15 seconds, east 3 feet
at 4 seconds and northwest 3 feet at 13 seconds. a slight chance
of showers in the evening. 
.wednesday...winds variable less than 10 knots, becoming north
northeast to 15 knots. seas 4 to 6 feet. wave detail: north
northeast 5 feet at 13 seconds and north northwest 3 feet at
13 seconds. 
.thursday...northeast winds 10 to 15 knots, rising to 15 to
20 knots. seas 4 to 5 feet. wave detail: east 4 feet at
4 seconds, north northeast 4 feet at 11 seconds and northwest
3 feet at 13 seconds.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 191310
cwfhfo
expires:202604200200;;636428

coastal waters forecast
national weather service honolulu hi
310 am hst sun apr 19 2026

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


phz114-200200-
oahu windward waters-
310 am hst sun apr 19 2026

.today...east winds 10 to 15 knots. seas to 5 feet. wave detail:
east 4 feet at 6 seconds. 
.tonight...east southeast winds 10 to 15 knots. seas to 5 feet.
wave detail: east 4 feet at 6 seconds. a slight chance of
showers. a slight chance of thunderstorms after midnight. 
.monday...east southeast winds 7 to 10 knots. seas to 5 feet.
wave detail: east 4 feet at 6 seconds. a slight chance of
showers. 
.monday night...southeast winds 7 to 10 knots in the evening,
becoming variable less than 10 knots. seas to 5 feet. wave
detail: east northeast 4 feet at 7 seconds. a slight chance of
showers. 
.tuesday...winds variable less than 10 knots. seas 5 to 6 feet.
wave detail: east southeast 4 feet at 6 seconds, north northeast
4 feet at 16 seconds and northwest 3 feet at 14 seconds. a slight
chance of showers. 
.tuesday night...winds variable less than 10 knots. seas 5 to
7 feet. wave detail: north northeast 5 feet at 16 seconds, north
northwest 4 feet at 14 seconds and east 3 feet at 6 seconds. a
chance of showers in the evening. 
.wednesday...winds variable less than 10 knots, becoming
northeast to 10 knots. seas 5 to 7 feet. wave detail: north
northeast 5 feet at 13 seconds, north northwest 4 feet at
13 seconds and east southeast 3 feet at 5 seconds. 
.thursday...northeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: north northeast 4 feet at 11 seconds, east 3 feet at
4 seconds and north northwest 3 feet at 15 seconds.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 191310
cwfhfo
expires:202604200200;;636429

coastal waters forecast
national weather service honolulu hi
310 am hst sun apr 19 2026

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


phz115-200200-
oahu leeward waters-
310 am hst sun apr 19 2026

.today...east winds 10 to 15 knots. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 5 seconds. 
.tonight...east winds 10 to 15 knots, becoming 7 to 10 knots
after midnight. seas 3 to 4 feet. wave detail: east southeast
3 feet at 6 seconds. a slight chance of showers. 
.monday...winds variable less than 10 knots. seas to 3 feet. wave
detail: east southeast 3 feet at 5 seconds. a slight chance of
showers. 
.monday night...winds variable less than 10 knots. seas 3 to
4 feet. wave detail: east southeast 3 feet at 5 seconds. a slight
chance of showers. 
.tuesday...winds variable less than 10 knots. seas 3 to 4 feet.
wave detail: east southeast 3 feet at 5 seconds. a slight chance
of showers in the afternoon. 
.tuesday night...winds variable less than 10 knots. seas 3 to
5 feet. wave detail: northwest 3 feet at 15 seconds. a slight
chance of showers in the evening. 
.wednesday...winds variable less than 10 knots, becoming
northeast 7 to 10 knots. seas 3 to 5 feet. wave detail: north
northwest 3 feet at 13 seconds. 
.thursday...northeast winds 10 to 15 knots, rising to 15 to
20 knots in the evening, easing to 10 to 15 knots after midnight.
seas 3 to 4 feet. wave detail: east southeast 3 feet at 5 seconds
and west northwest 3 feet at 16 seconds.  

$$

fzhw50 phfo 191310
cwfhfo
expires:202604200200;;636430

coastal waters forecast
national weather service honolulu hi
310 am hst sun apr 19 2026

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


phz116-200200-
kaiwi channel-
310 am hst sun apr 19 2026

.today...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 5 seconds. 
.tonight...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: east southeast 4 feet at 6 seconds. a slight chance of
showers. 
.monday...east southeast winds 7 to 10 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 5 seconds. a slight chance of
showers. 
.monday night...winds variable less than 10 knots. seas 3 to
5 feet. wave detail: east northeast 4 feet at 6 seconds. a slight
chance of showers in the evening. 
.tuesday...winds variable less than 10 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 5 seconds and north northeast 4 feet
at 16 seconds. a slight chance of showers in the afternoon. 
.tuesday night...winds variable less than 10 knots. seas 5 to
7 feet. wave detail: north northeast 5 feet at 16 seconds, east
3 feet at 4 seconds and northwest 3 feet at 14 seconds. a slight
chance of showers in the evening. 
.wednesday...winds variable less than 10 knots, becoming
northeast to 10 knots. seas 5 to 7 feet. wave detail: north
northeast 5 feet at 12 seconds and northwest 3 feet at
13 seconds. 
.thursday...northeast winds to 10 knots, rising to 15 to
20 knots. seas 3 to 5 feet. wave detail: north northeast 4 feet
at 10 seconds, east 3 feet at 4 seconds and northwest 3 feet at
12 seconds.  

$$