fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698744

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz110-210515-
kauai northwest waters-
639 am hst mon apr 20 2026

.rest of today...east southeast winds 10 to 15 knots. seas to
4 feet. wave detail: east 3 feet at 7 seconds. scattered showers
with isolated thunderstorms this morning, then isolated showers
this afternoon. 
.tonight...east southeast winds 7 to 10 knots. seas 4 to 5 feet.
wave detail: east 3 feet at 7 seconds and north northeast 3 feet
at 8 seconds. scattered showers. 
.tuesday...east southeast winds 7 to 10 knots. seas 4 to 5 feet.
wave detail: east 3 feet at 7 seconds, north northeast 3 feet at
8 seconds and northwest 3 feet at 14 seconds. 
.tuesday night...east northeast winds 7 to 10 knots. seas 5 to
6 feet. wave detail: northwest 4 feet at 12 seconds, east 3 feet
at 7 seconds and north northeast 3 feet at 16 seconds. 
.wednesday...east northeast winds 7 to 10 knots. seas to 6 feet.
wave detail: north northwest 4 feet at 13 seconds and northeast
4 feet at 14 seconds. 
.wednesday night...east northeast winds to 10 knots, rising to
15 knots after midnight. seas 5 to 6 feet. wave detail: north
northwest 4 feet at 12 seconds and north northeast 4 feet at
12 seconds. 
.thursday...east northeast winds 15 to 20 knots. seas to 5 feet.
wave detail: east 3 feet at 5 seconds, north northeast 3 feet at
11 seconds and northwest 3 feet at 15 seconds. 
.friday...east northeast winds to 20 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 5 seconds, north northwest 4 feet at
11 seconds and northeast 3 feet at 9 seconds. isolated showers
after midnight.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698745

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz111-210515-
kauai windward waters-
639 am hst mon apr 20 2026

.rest of today...east southeast winds 10 to 15 knots. seas to
4 feet. wave detail: east 3 feet at 7 seconds. scattered heavy
showers with isolated thunderstorms this morning, then isolated
showers this afternoon. 
.tonight...east southeast winds 10 to 15 knots, becoming 7 to
10 knots after midnight. seas 4 to 5 feet. wave detail: east
northeast 3 feet at 7 seconds. scattered showers. 
.tuesday...east southeast winds 7 to 10 knots. seas to 5 feet.
wave detail: east southeast 3 feet at 7 seconds, north northeast
3 feet at 8 seconds and northwest 3 feet at 13 seconds. 
.tuesday night...east northeast winds 7 to 10 knots. seas 5 to
6 feet. wave detail: north northwest 4 feet at 14 seconds, north
northeast 4 feet at 15 seconds and east southeast 3 feet at
7 seconds. 
.wednesday...east northeast winds 7 to 10 knots. seas to 6 feet.
wave detail: north northwest 4 feet at 13 seconds and north
northeast 4 feet at 14 seconds. 
.wednesday night...east northeast winds to 10 knots, rising to
15 knots after midnight. seas 5 to 6 feet. wave detail: north
northwest 4 feet at 12 seconds and north northeast 4 feet at
12 seconds. 
.thursday...east northeast winds to 15 knots. seas to 5 feet.
wave detail: north northeast 4 feet at 11 seconds, east southeast
3 feet at 7 seconds and northwest 3 feet at 16 seconds. 
.friday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 6 seconds, north northwest 4 feet at
12 seconds and northeast 3 feet at 9 seconds. isolated showers
after midnight.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698746

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz112-210515-
kauai leeward waters-
639 am hst mon apr 20 2026

.rest of today...east southeast winds 10 to 15 knots, becoming
7 to 10 knots this afternoon. seas 3 to 4 feet. wave detail: east
southeast 3 feet at 6 seconds. scattered showers, mainly this
morning. 
.tonight...southeast winds 7 to 10 knots in the evening, becoming
variable less than 10 knots. seas 3 to 4 feet. wave detail: east
southeast 3 feet at 6 seconds. scattered showers, mainly in the
evening. 
.tuesday...winds variable less than 10 knots. seas 3 to 5 feet.
wave detail: northwest 3 feet at 14 seconds. 
.tuesday night...northeast winds 7 to 10 knots. seas 3 to 5 feet.
wave detail: northwest 4 feet at 12 seconds and north northeast
3 feet at 15 seconds. 
.wednesday...east northeast winds 7 to 10 knots. seas 4 to
6 feet. wave detail: north northwest 4 feet at 13 seconds and
north northeast 4 feet at 14 seconds. 
.wednesday night...east northeast winds 10 to 15 knots. seas 4 to
6 feet. wave detail: north northwest 4 feet at 12 seconds and
north northeast 4 feet at 12 seconds. 
.thursday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots. seas 4 to 6 feet. wave detail: east 4 feet at
5 seconds, north northeast 3 feet at 11 seconds and west
northwest 3 feet at 16 seconds. 
.friday...east northeast winds 15 to 20 knots. in the kaulakahi
channel, east northeast winds 15 to 20 knots, easing to 10 to
15 knots. seas 4 to 6 feet. wave detail: east 4 feet at
5 seconds, north northwest 4 feet at 11 seconds and northeast
3 feet at 9 seconds.  

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698747

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz113-210515-
kauai channel-
639 am hst mon apr 20 2026

.rest of today...east winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east southeast 3 feet at 6 seconds. scattered
showers with isolated thunderstorms this morning, then isolated
showers this afternoon. 
.tonight...east winds 7 to 10 knots. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 5 seconds and north northeast
3 feet at 8 seconds. isolated showers. 
.tuesday...east northeast winds 7 to 10 knots. seas 4 to 5 feet.
wave detail: east southeast 3 feet at 5 seconds and north
northeast 3 feet at 8 seconds. 
.tuesday night...northeast winds 7 to 10 knots. seas 4 to 5 feet.
wave detail: north northeast 4 feet at 15 seconds and northwest
3 feet at 14 seconds. 
.wednesday...northeast winds 10 to 15 knots. 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 to 15 knots. seas to 5 feet.
wave detail: north northeast 4 feet at 12 seconds and northwest
3 feet at 12 seconds. 
.thursday...northeast winds to 15 knots, rising to 20 knots. seas
4 to 5 feet. wave detail: north northeast 4 feet at 11 seconds
and east northeast 3 feet at 4 seconds. 
.friday...northeast winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east northeast 4 feet at 5 seconds, northeast 3 feet at
9 seconds and northwest 3 feet at 12 seconds.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698748

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz114-210515-
oahu windward waters-
639 am hst mon apr 20 2026

.rest of today...east winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east southeast 4 feet at 6 seconds. scattered heavy
showers with isolated thunderstorms this morning, then isolated
showers this afternoon. 
.tonight...east southeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east northeast 3 feet at 7 seconds. scattered
showers, mainly in the evening. 
.tuesday...east southeast winds 7 to 10 knots. seas to 5 feet.
wave detail: east southeast 3 feet at 7 seconds, north northeast
3 feet at 8 seconds and northwest 3 feet at 13 seconds. 
.tuesday night...east northeast winds 7 to 10 knots. seas 5 to
6 feet. wave detail: north northeast 4 feet at 16 seconds, east
southeast 3 feet at 7 seconds and northwest 3 feet at 12 seconds.
.wednesday...east northeast winds to 10 knots. seas 5 to 6 feet.
wave detail: north northwest 4 feet at 13 seconds and north
northeast 4 feet at 13 seconds. 
.wednesday night...east northeast winds 10 to 15 knots. seas 5 to
6 feet. wave detail: north northwest 4 feet at 12 seconds and
north northeast 4 feet at 12 seconds. 
.thursday...east northeast winds to 15 knots. seas 5 to 6 feet.
wave detail: north northeast 4 feet at 11 seconds, east southeast
3 feet at 7 seconds and northwest 3 feet at 15 seconds. 
.friday...east northeast winds to 15 knots, becoming 15 to
20 knots. seas 4 to 6 feet. wave detail: east 4 feet at
6 seconds, north northwest 4 feet at 12 seconds and northeast
3 feet at 9 seconds. isolated showers after midnight.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698749

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz115-210515-
oahu leeward waters-
639 am hst mon apr 20 2026

.rest of today...east winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east southeast 3 feet at 6 seconds. scattered
showers with isolated thunderstorms this morning, then isolated
showers this afternoon. 
.tonight...east winds 7 to 10 knots. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 5 seconds. isolated showers. 
.tuesday...east northeast winds 7 to 10 knots. seas 3 to 4 feet. 
.tuesday night...northeast winds 7 to 10 knots. seas 3 to 4 feet.
wave detail: northwest 3 feet at 14 seconds. 
.wednesday...northeast winds 10 to 15 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, rising to 15 to
20 knots. seas 3 to 5 feet. wave detail: east 3 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 4 feet at 5 seconds and northwest 3 feet at
12 seconds.  

winds and seas higher in and near tstms.

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698750

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz116-210515-
kaiwi channel-
639 am hst mon apr 20 2026

.rest of today...east northeast winds 10 to 15 knots. seas 4 to
5 feet. wave detail: east southeast 4 feet at 5 seconds.
scattered showers, mainly this morning. 
.tonight...east winds 10 to 15 knots. seas 4 to 5 feet. wave
detail: east southeast 3 feet at 5 seconds and north northeast
3 feet at 8 seconds. isolated showers. 
.tuesday...east northeast winds 7 to 10 knots. seas 3 to 5 feet.
wave detail: east southeast 3 feet at 5 seconds and north
northeast 3 feet at 8 seconds. 
.tuesday night...northeast winds to 10 knots. seas 4 to 6 feet.
wave detail: north northeast 4 feet at 15 seconds, east southeast
3 feet at 4 seconds and northwest 3 feet at 14 seconds. 
.wednesday...northeast winds 10 to 15 knots. 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 to 15 knots. seas 4 to 5 feet.
wave detail: north northeast 4 feet at 12 seconds and northwest
3 feet at 12 seconds. 
.thursday...northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: north northeast 4 feet at 10 seconds, east northeast
3 feet at 4 seconds and northwest 3 feet at 13 seconds. 
.friday...northeast winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east northeast 4 feet at 5 seconds, north northeast
3 feet at 9 seconds and northwest 3 feet at 12 seconds.  

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698751

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz117-210515-
maui county windward waters-
639 am hst mon apr 20 2026

.rest of today...east southeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: east southeast 4 feet at 7 seconds. isolated
showers. 
.tonight...east southeast winds 10 to 15 knots. seas to 5 feet.
wave detail: east southeast 3 feet at 7 seconds and north
northeast 3 feet at 8 seconds. isolated showers. 
.tuesday...east southeast winds 10 to 15 knots. seas to 5 feet.
wave detail: east southeast 3 feet at 7 seconds and north
northeast 3 feet at 8 seconds. 
.tuesday night...east winds 7 to 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 13 seconds. 
.wednesday...east northeast winds 7 to 10 knots. seas 5 to
6 feet. wave detail: north northeast 5 feet at 13 seconds and
north northwest 3 feet at 14 seconds. 
.wednesday night...east northeast winds 10 to 15 knots. seas to
5 feet. wave detail: north northeast 4 feet at 11 seconds and
north northwest 3 feet at 12 seconds. 
.thursday...east northeast winds to 15 knots. seas 4 to 6 feet.
wave detail: north northeast 4 feet at 10 seconds, east southeast
3 feet at 7 seconds and northwest 3 feet at 15 seconds. 
.friday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 5 seconds, north northeast 3 feet at
9 seconds and northwest 3 feet at 13 seconds. isolated showers
after midnight.  

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698752

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz118-210515-
maui county leeward waters-
639 am hst mon apr 20 2026

.rest of today...east southeast winds 15 to 20 knots, becoming
southeast 10 to 15 knots this afternoon. seas 3 to 4 feet. wave
detail: east southeast 4 feet at 5 seconds. isolated showers. 
.tonight...southeast winds 10 to 15 knots. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 5 seconds. isolated showers. 
.tuesday...southeast winds 10 to 15 knots, veering to south
southwest 7 to 10 knots in the afternoon. seas 3 to 4 feet. wave
detail: east southeast 3 feet at 5 seconds. 
.tuesday night...northeast winds 7 to 10 knots. seas 3 to 4 feet.
.wednesday...northeast winds 7 to 10 knots, becoming 10 to
15 knots in the afternoon. seas 3 to 4 feet. 
.wednesday night...northeast winds 10 to 15 knots. seas 3 to
4 feet. 
.thursday...northeast winds 10 to 15 knots, rising to 15 to
20 knots. seas 3 to 4 feet. wave detail: east 3 feet at
4 seconds. 
.friday...northeast winds 10 to 15 knots, rising to 15 to
20 knots. seas 3 to 4 feet. wave detail: east 3 feet at
4 seconds.  

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698753

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz119-210515-
maalaea bay-
639 am hst mon apr 20 2026

.rest of today...north northeast winds to 20 knots. seas to
2 feet or less. isolated showers. 
.tonight...north winds to 20 knots, becoming north northeast
after midnight. seas to 2 feet or less. isolated showers in the
evening. 
.tuesday...north northeast winds to 15 knots, becoming south
southwest 7 to 10 knots in the afternoon. seas to 2 feet or less.
.tuesday night...north northeast winds 10 to 15 knots. seas to
2 feet or less. 
.wednesday...north northeast winds to 15 knots, becoming north in
the afternoon. seas to 2 feet or less. 
.wednesday night...north winds to 20 knots, easing to 15 knots
after midnight. seas to 2 feet or less. 
.thursday...north winds to 20 knots, rising to 25 knots in the
afternoon and evening, easing to 20 knots after midnight. seas to
2 feet or less. 
.friday...north winds to 20 knots, rising to 25 knots. seas to
2 feet or less.  

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698754

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz120-210515-
pailolo channel-
639 am hst mon apr 20 2026

.rest of today...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: east 3 feet at 4 seconds. isolated showers. 
.tonight...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: east 3 feet at 4 seconds. isolated showers. 
.tuesday...east northeast winds 10 to 15 knots. seas 3 to 4 feet.
.tuesday night...east northeast winds 10 to 15 knots. seas 3 to
4 feet. 
.wednesday...northeast winds 10 to 15 knots, becoming east
northeast 15 to 20 knots in the afternoon. seas 3 to 4 feet. 
.wednesday night...east northeast winds 15 to 20 knots. seas 3 to
4 feet. 
.thursday...northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon and evening, then becoming east
northeast 15 to 20 knots after midnight. seas 3 to 4 feet. 
.friday...northeast winds 15 to 20 knots, becoming east northeast
20 to 25 knots. seas 3 to 4 feet. wave detail: east northeast
3 feet at 5 seconds.  

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698755

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz121-210515-
alenuihaha channel-
639 am hst mon apr 20 2026

.rest of today...east winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 5 seconds. isolated showers. 
.tonight...east winds 15 to 20 knots, easing to 10 to 15 knots
after midnight. seas 3 to 4 feet. wave detail: east 3 feet at
5 seconds. isolated showers. 
.tuesday...east winds 10 to 15 knots, backing to east northeast
7 to 10 knots in the afternoon. seas 3 to 4 feet. wave detail:
east 3 feet at 5 seconds. 
.tuesday night...east northeast winds 10 to 15 knots. seas 3 to
5 feet. wave detail: north northeast 3 feet at 15 seconds. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
5 feet. wave detail: north northeast 3 feet at 13 seconds. 
.wednesday night...east northeast winds to 15 knots. seas 3 to
5 feet. wave detail: north northeast 3 feet at 11 seconds. 
.thursday...northeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 3 feet at 5 seconds. 
.friday...northeast winds 15 to 20 knots, becoming east northeast
20 to 25 knots. seas 3 to 5 feet. wave detail: east 4 feet at
5 seconds.  

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698756

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz122-210515-
big island windward waters-
639 am hst mon apr 20 2026

.rest of today...east winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east southeast 3 feet at 7 seconds. isolated
showers. 
.tonight...east southeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east southeast 3 feet at 7 seconds and north
northeast 3 feet at 8 seconds. isolated showers. 
.tuesday...east southeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: north northeast 4 feet at 15 seconds and east
southeast 3 feet at 7 seconds. 
.tuesday night...east winds 7 to 10 knots. seas 4 to 6 feet. wave
detail: north northeast 5 feet at 14 seconds, east southeast
3 feet at 7 seconds and northwest 3 feet at 14 seconds. 
.wednesday...east northeast winds to 10 knots. seas 5 to 6 feet.
wave detail: north northeast 5 feet at 13 seconds and north
northwest 3 feet at 14 seconds. 
.wednesday night...east northeast winds 10 to 15 knots. seas to
5 feet. wave detail: north northeast 4 feet at 12 seconds and
north northwest 3 feet at 12 seconds. 
.thursday...northeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: north northeast 4 feet at 10 seconds and north
northwest 3 feet at 12 seconds. 
.friday...northeast winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east southeast 3 feet at 6 seconds, north northeast
3 feet at 9 seconds and north northwest 3 feet at 12 seconds.
isolated showers in the morning. isolated showers through the
day.  

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698757

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz123-210515-
big island leeward waters-
639 am hst mon apr 20 2026

.rest of today...west of the big island, winds variable less than
10 knots, becoming west 7 to 10 knots this afternoon. near south
point, east winds 15 to 20 knots. seas 3 to 5 feet. wave detail:
east southeast 4 feet at 5 seconds. isolated showers. 
.tonight...west of the big island, west northwest winds 7 to
10 knots in the evening, becoming variable less than 10 knots.
near south point, east winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: east southeast 3 feet at 4 seconds. isolated
showers. 
.tuesday...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: southeast 3 feet at 4 seconds. 
.tuesday night...winds variable less than 10 knots west of the
big island...east 10 to 15 knots near south point. seas 3 to
4 feet. wave detail: north northeast 3 feet at 14 seconds. 
.wednesday...west of the big island, winds variable less than
10 knots. near south point, east winds 10 to 15 knots, backing to
east northeast in the afternoon. seas 3 to 4 feet. wave detail:
north northeast 3 feet at 13 seconds. 
.wednesday night...west of the big island, south winds 7 to
10 knots, veering to west northwest after midnight. near south
point, east winds to 15 knots. seas 3 to 4 feet. wave detail:
west northwest 3 feet at 18 seconds. 
.thursday...west of the big island, northwest winds 7 to
10 knots, backing to south in the afternoon and evening, veering
to north northwest after midnight. near south point, east winds
10 to 15 knots, becoming east northeast 15 to 20 knots. seas 3 to
5 feet. wave detail: east northeast 3 feet at 5 seconds and west
northwest 3 feet at 16 seconds. 
.friday...west of the big island, south southwest winds 7 to
10 knots, veering to west in the evening, then becoming variable
less than 10 knots after midnight. near south point, east winds
10 to 15 knots, becoming east northeast 15 to 20 knots. seas 3 to
5 feet. wave detail: northeast 4 feet at 5 seconds.  

$$

fzhw50 phfo 201639
cwfhfo
expires:202604210515;;698758

coastal waters forecast
national weather service honolulu hi
639 am hst mon apr 20 2026

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


phz124-210515-
big island southeast waters-
639 am hst mon apr 20 2026

.rest of today...east northeast winds 15 to 20 knots, easing to
10 to 15 knots this afternoon. seas 3 to 4 feet. wave detail:
east southeast 4 feet at 7 seconds. isolated showers. 
.tonight...east winds 10 to 15 knots. seas 3 to 4 feet. wave
detail: east southeast 4 feet at 7 seconds. isolated showers. 
.tuesday...east winds to 10 knots. seas 3 to 5 feet. wave detail:
east southeast 3 feet at 7 seconds. 
.tuesday night...east winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east southeast 3 feet at 7 seconds and northeast
3 feet at 15 seconds. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
5 feet. wave detail: northeast 3 feet at 14 seconds. 
.wednesday night...east northeast winds to 15 knots. seas 3 to
5 feet. wave detail: east southeast 3 feet at 7 seconds,
northeast 3 feet at 12 seconds and west northwest 3 feet at
18 seconds. 
.thursday...east northeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: east southeast 4 feet at 7 seconds and west
northwest 3 feet at 16 seconds. 
.friday...east northeast winds to 20 knots. seas 4 to 5 feet.
wave detail: east southeast 4 feet at 5 seconds. isolated showers
after midnight.  

$$