fzhw50 phfo 210651
cwfhfo
expires:202604211930;;731670

coastal waters forecast
national weather service honolulu hi
851 pm hst mon apr 20 2026

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


phz113-211930-
kauai channel-
851 pm hst mon apr 20 2026

.rest of tonight...east winds 7 to 10 knots early this evening,
becoming variable less than 10 knots. seas to 3 feet. wave
detail: east southeast 3 feet at 5 seconds. 
.tuesday...winds variable less than 10 knots. seas 3 to 4 feet.
wave detail: north northeast 3 feet at 9 seconds. 
.tuesday night...winds variable less than 10 knots. seas 4 to
5 feet. wave detail: north northeast 4 feet at 15 seconds and
northwest 3 feet at 14 seconds. 
.wednesday...winds variable less than 10 knots, becoming
northeast 7 to 10 knots in the afternoon. seas to 5 feet. wave
detail: north northeast 4 feet at 14 seconds and north northwest
3 feet at 13 seconds. 
.wednesday night...northeast winds 10 to 15 knots. seas 5 to
6 feet. wave detail: north northeast 4 feet at 12 seconds, east
northeast 3 feet at 4 seconds and northwest 3 feet at 12 seconds.
.thursday...northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east northeast 5 feet at 5 seconds, north northeast
4 feet at 11 seconds and northwest 3 feet at 12 seconds. 
.thursday night...northeast winds 15 to 20 knots. seas 5 to
7 feet. wave detail: east northeast 5 feet at 5 seconds and north
northeast 4 feet at 10 seconds. 
.friday...northeast winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east northeast 5 feet at 6 seconds, northeast 4 feet at
9 seconds and northwest 3 feet at 12 seconds. 
.saturday...east northeast winds to 20 knots. seas 5 to 6 feet.
wave detail: east northeast 6 feet at 7 seconds and north
northwest 3 feet at 13 seconds.  

$$

fzhw50 phfo 210651
cwfhfo
expires:202604211930;;731671

coastal waters forecast
national weather service honolulu hi
851 pm hst mon apr 20 2026

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


phz114-211930-
oahu windward waters-
851 pm hst mon apr 20 2026

.rest of tonight...east winds 10 to 15 knots early this evening,
becoming variable less than 10 knots. seas to 4 feet. wave
detail: east southeast 3 feet at 7 seconds. isolated showers. 
.tuesday...winds variable less than 10 knots. seas 4 to 5 feet.
wave detail: east southeast 3 feet at 7 seconds, north northeast
3 feet at 9 seconds and northwest 3 feet at 13 seconds. 
.tuesday night...winds variable less than 10 knots. seas 5 to
6 feet. wave detail: north northeast 4 feet at 15 seconds, east
southeast 3 feet at 7 seconds and northwest 3 feet at 12 seconds.
.wednesday...winds variable less than 10 knots, becoming east
northeast 7 to 10 knots in the afternoon. seas 5 to 6 feet. wave
detail: north northeast 4 feet at 13 seconds and north northwest
4 feet at 13 seconds. 
.wednesday night...northeast winds 10 to 15 knots. seas 5 to
6 feet. wave detail: north northwest 4 feet at 12 seconds, north
northeast 4 feet at 12 seconds and east 3 feet at 7 seconds. 
.thursday...east northeast winds 10 to 15 knots. seas to 6 feet.
wave detail: east 4 feet at 5 seconds, north northeast 4 feet at
11 seconds and north northwest 3 feet at 14 seconds. 
.thursday night...east northeast winds to 15 knots. seas to
6 feet. wave detail: east 4 feet at 5 seconds, north northeast
4 feet at 10 seconds and northwest 3 feet at 15 seconds. 
.friday...east northeast winds to 15 knots, becoming 15 to
20 knots. seas 5 to 6 feet. wave detail: east northeast 5 feet at
6 seconds, north northeast 4 feet at 9 seconds and west northwest
3 feet at 13 seconds. isolated showers after midnight. 
.saturday...east northeast winds to 20 knots. seas 6 to 7 feet.
wave detail: east northeast 6 feet at 7 seconds and north
northwest 4 feet at 13 seconds. isolated showers in the morning.
isolated showers after midnight.  

$$

fzhw50 phfo 210651
cwfhfo
expires:202604211930;;731672

coastal waters forecast
national weather service honolulu hi
851 pm hst mon apr 20 2026

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


phz115-211930-
oahu leeward waters-
851 pm hst mon apr 20 2026

.rest of tonight...east southeast winds 7 to 10 knots early this
evening, becoming variable less than 10 knots. seas to 3 feet.
wave detail: east southeast 3 feet at 5 seconds. isolated
showers. 
.tuesday...winds variable less than 10 knots. seas 3 to 4 feet. 
.tuesday night...winds variable less than 10 knots, becoming
northeast 7 to 10 knots after midnight. seas 3 to 4 feet. wave
detail: northwest 3 feet at 14 seconds. 
.wednesday...northeast winds 7 to 10 knots. seas 3 to 4 feet.
wave detail: north northwest 3 feet at 14 seconds. 
.wednesday night...northeast winds 10 to 15 knots. seas 3 to
5 feet. wave detail: northwest 3 feet at 12 seconds. 
.thursday...northeast winds 10 to 15 knots. seas 4 to 6 feet.
wave detail: east northeast 4 feet at 5 seconds and west
northwest 3 feet at 16 seconds. 
.thursday night...northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 5 feet at 5 seconds and west
northwest 3 feet at 15 seconds. 
.friday...northeast winds 15 to 20 knots. seas 3 to 5 feet. wave
detail: east northeast 5 feet at 5 seconds and northwest 3 feet
at 12 seconds. 
.saturday...east northeast winds to 20 knots. seas 4 to 5 feet.
wave detail: east northeast 5 feet at 6 seconds and north
northwest 3 feet at 13 seconds.  

$$

fzhw50 phfo 210651
cwfhfo
expires:202604211930;;731673

coastal waters forecast
national weather service honolulu hi
851 pm hst mon apr 20 2026

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


phz116-211930-
kaiwi channel-
851 pm hst mon apr 20 2026

.rest of tonight...east winds 10 to 15 knots early this evening,
becoming variable less than 10 knots. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 5 seconds. 
.tuesday...winds variable less than 10 knots. seas 3 to 5 feet.
wave detail: east southeast 3 feet at 4 seconds and north
northeast 3 feet at 9 seconds. 
.tuesday night...northeast winds 7 to 10 knots. seas 4 to 6 feet.
wave detail: north northeast 4 feet at 15 seconds, east 3 feet at
4 seconds and northwest 3 feet at 14 seconds. 
.wednesday...northeast winds 7 to 10 knots, becoming 10 to
15 knots in the afternoon. seas 4 to 5 feet. wave detail: north
northeast 4 feet at 13 seconds and northwest 3 feet at
14 seconds. 
.wednesday night...northeast winds 10 to 15 knots. seas 5 to
6 feet. wave detail: north northeast 4 feet at 12 seconds, east
northeast 3 feet at 4 seconds and northwest 3 feet at 12 seconds.
.thursday...northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east northeast 4 feet at 5 seconds, north northeast
4 feet at 11 seconds and northwest 3 feet at 12 seconds. 
.thursday night...northeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: northeast 4 feet at 5 seconds and north
northeast 4 feet at 10 seconds. 
.friday...northeast winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east northeast 5 feet at 5 seconds, north northeast
4 feet at 9 seconds and northwest 3 feet at 12 seconds. 
.saturday...east northeast winds to 20 knots. seas 4 to 6 feet.
wave detail: northeast 6 feet at 7 seconds and northwest 4 feet
at 13 seconds.  

$$