fzhw50 phfo 190139
cwfhfo
expires:202604191415;;610069

coastal waters forecast
national weather service honolulu hi
339 pm hst sat apr 18 2026

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


phz113-191415-
kauai channel-
339 pm hst sat apr 18 2026

.tonight...east northeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east southeast 4 feet at 6 seconds. 
.sunday...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 6 seconds. a slight chance of
thunderstorms in the afternoon. 
.sunday night...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. 
.wednesday...winds variable less than 10 knots, becoming
northeast 10 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. isolated showers. 
.thursday...northeast winds 10 to 15 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. isolated showers. 

winds and seas higher in and near tstms.

$$

fzhw50 phfo 190139
cwfhfo
expires:202604191415;;610070

coastal waters forecast
national weather service honolulu hi
339 pm hst sat apr 18 2026

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


phz114-191415-
oahu windward waters-
339 pm hst sat apr 18 2026

.tonight...east winds 10 to 15 knots. seas 5 to 6 feet. wave
detail: east 5 feet at 7 seconds. 
.sunday...east winds 10 to 15 knots. seas to 5 feet. wave detail:
east 4 feet at 6 seconds. 
.sunday night...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...east southeast winds 7 to 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.
scattered showers. 
.wednesday...winds variable less than 10 knots, becoming
northeast 7 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. scattered
showers, mainly in the morning. 
.thursday...east 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.
isolated showers, then scattered showers after midnight.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 190139
cwfhfo
expires:202604191415;;610071

coastal waters forecast
national weather service honolulu hi
339 pm hst sat apr 18 2026

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


phz115-191415-
oahu leeward waters-
339 pm hst sat apr 18 2026

.tonight...east northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east southeast 4 feet at 6 seconds. 
.sunday...east winds 10 to 15 knots. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 5 seconds. 
.sunday night...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. 
.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. isolated showers. 
.thursday...northeast winds 7 to 10 knots, becoming 10 to
15 knots. seas 3 to 4 feet. wave detail: east southeast 3 feet at
5 seconds and west northwest 3 feet at 16 seconds. isolated
showers through the day.  

$$

fzhw50 phfo 190139
cwfhfo
expires:202604191415;;610072

coastal waters forecast
national weather service honolulu hi
339 pm hst sat apr 18 2026

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


phz116-191415-
kaiwi channel-
339 pm hst sat apr 18 2026

.tonight...east northeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 5 feet at 6 seconds. 
.sunday...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 5 seconds. 
.sunday night...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...northeast winds 7 to 10 knots, veering to
southwest after midnight. 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. 
.wednesday...winds variable less than 10 knots, becoming
northeast 10 to 15 knots. seas 5 to 7 feet. wave detail: north
northeast 5 feet at 12 seconds and northwest 3 feet at
13 seconds. isolated showers. 
.thursday...northeast winds 10 to 15 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. isolated showers.  

$$