910 
FZHW50 PHFO 220131
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
331 PM HST Mon Feb 21 2022

Hawaiian coastal waters within 40 nautical miles including the
Hawaiian Islands Humpback Whale National Marine Sanctuary.

PHZ100-221430-
331 PM HST Mon Feb 21 2022

.Synopsis for Hawaiian coastal waters...
A weak trough just north of the area will dissipate overnight. 
High pressure will build north of the area Tuesday and Wednesday 
then move northeast of the area Thursday through Saturday. A large
west northwest swell is expected late Thursday through Friday.

$$

PHZ110-221430-
Kauai Northwest Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Scattered showers after midnight. 
.TUESDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet. Scattered showers in the morning, then isolated
showers in the afternoon. 
.TUESDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 5 feet. Isolated showers through the night. 
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet. Isolated showers. 
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers through the night. 
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet increasing to 10 feet in the afternoon. Isolated
showers. 
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 12 feet. Isolated showers through the night. 
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
11 to 13 feet. Isolated showers. 
.SATURDAY...East winds 10 knots. Wind waves 5 feet. Northwest
swell 8 to 10 feet. Isolated showers.  

$$

PHZ111-221430-
Kauai Windward Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Scattered showers after midnight. 
.TUESDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet. Scattered showers in the morning, then isolated
showers in the afternoon. 
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers. 
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet. Isolated showers. 
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers. 
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet increasing to 9 feet in the afternoon. Isolated
showers. 
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 11 feet increasing to 13 feet after midnight.
Isolated showers. 
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
11 to 13 feet. Isolated showers. 
.SATURDAY...East winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 8 to 10 feet. Isolated showers.  

$$

PHZ112-221430-
Kauai Leeward Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Isolated showers after midnight. 
.TUESDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet. Isolated showers. 
.TUESDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 5 feet. 
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet. 
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet. 
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet increasing to 10 feet in the afternoon. 
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 12 feet. 
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
11 to 13 feet. 
.SATURDAY...East winds 10 knots. Wind waves 4 to 6 feet.
Northwest swell 8 to 10 feet.  

$$

PHZ113-221430-
Kauai Channel-
331 PM HST Mon Feb 21 2022

.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Isolated showers through the night. 
.TUESDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Isolated showers. 
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers. 
.WEDNESDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 5 feet. Isolated showers. 
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers. 
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet increasing to 7 feet in the afternoon. Isolated
showers. 
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 10 feet increasing to 12 feet after midnight.
Isolated showers. 
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
10 to 12 feet. Isolated showers. 
.SATURDAY...East winds 10 knots. Wind waves 5 to 6 feet.
Northwest swell 8 to 10 feet. Isolated showers.  

$$

PHZ114-221430-
Oahu Windward Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Scattered showers. 
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon. 
.TUESDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers. 
.WEDNESDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 5 feet. Isolated showers. 
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers. 
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 5 feet increasing to 7 feet in the afternoon. Isolated
showers. 
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet increasing to 13 feet after midnight.
Isolated showers. 
.FRIDAY...East winds 15 knots. Wind waves 6 feet. Northwest swell
11 to 13 feet. Isolated showers. 
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 8 to 10 feet. Isolated showers.  

$$

PHZ115-221430-
Oahu Leeward Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers through the night. 
.TUESDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers. 
.TUESDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 4 feet. 
.WEDNESDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. 
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 4 feet. 
.THURSDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. 
.THURSDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 7 feet. 
.FRIDAY...East winds 15 knots. Wind waves 4 to 5 feet. Northwest
swell 7 to 9 feet. 
.SATURDAY...East winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 6 to 7 feet.  

$$

PHZ116-221430-
Kaiwi Channel-
331 PM HST Mon Feb 21 2022

.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Isolated showers. 
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Isolated showers. 
.TUESDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers. 
.WEDNESDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 5 feet. Isolated showers. 
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers. 
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 5 feet. Isolated showers. 
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 9 feet increasing to 12 feet after midnight.
Isolated showers. 
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
10 to 12 feet. Isolated showers. 
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 8 to 10 feet. Isolated showers.  

$$

PHZ117-221430-
Maui County Windward Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...East winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Scattered showers. 
.TUESDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon. 
.TUESDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers. 
.WEDNESDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 5 feet. Isolated showers. 
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers. 
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 5 feet. Isolated showers. 
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 9 feet increasing to 12 feet after midnight.
Isolated showers. 
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
10 to 12 feet. Isolated showers. 
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 8 to 10 feet. Isolated showers.  

$$

PHZ118-221430-
Maui County Leeward Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. North
swell 3 feet. Isolated showers. 
.TUESDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers through the day. 
.TUESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. 
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. 
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 3 feet. 
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. 
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet increasing to 7 feet after midnight. 
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
7 to 8 feet. 
.SATURDAY...East winds 10 knots. Wind waves 5 feet. Northwest
swell 5 to 7 feet.  

$$

PHZ119-221430-
Maalaea Bay-
331 PM HST Mon Feb 21 2022

.TONIGHT...North winds 20 knots. Wind waves 2 feet or less. 
.TUESDAY...North winds to 25 knots. Wind waves 2 feet or less
then 3 feet in the afternoon. 
.TUESDAY NIGHT...North winds to 25 knots. Wind waves 3 feet. 
.WEDNESDAY...North winds to 25 knots. Wind waves 3 feet. 
.WEDNESDAY NIGHT...North winds to 25 knots. Wind waves 3 feet. 
.THURSDAY...North winds to 25 knots. Wind waves 3 feet. 
.THURSDAY NIGHT...North winds to 25 knots. Wind waves 3 feet. 
.FRIDAY...North winds to 25 knots. Wind waves 3 feet. 
.SATURDAY...North winds 20 knots. Wind waves 3 feet.  

$$

PHZ120-221430-
Pailolo Channel-
331 PM HST Mon Feb 21 2022

.TONIGHT...East winds 20 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers. 
.TUESDAY...East winds to 25 knots. Wind waves 5 feet. Northwest
swell 3 feet. Scattered showers in the morning. Isolated showers
in the afternoon. 
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers after midnight. 
.WEDNESDAY...East winds to 25 knots. Wind waves 5 feet. Northwest
swell 4 feet. 
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers after midnight. 
.THURSDAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 4 feet. 
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 4 feet increasing to 6 feet after midnight.
Isolated showers after midnight. 
.FRIDAY...East winds to 25 knots. Wind waves 5 to 6 feet.
Northwest swell 6 to 7 feet. 
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 5 to 6 feet.  

$$

PHZ121-221430-
Alenuihaha Channel-
331 PM HST Mon Feb 21 2022

.TONIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet. Isolated showers. 
.TUESDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 3 feet. Isolated showers. 
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers. 
.WEDNESDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers. 
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers. 
.THURSDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 5 feet. Isolated showers. 
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 7 feet increasing to 9 feet after midnight.
Isolated showers. 
.FRIDAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 9 to 10 feet. Isolated showers. 
.SATURDAY...East winds 20 knots. Wind waves 6 to 7 feet.
Northwest swell 7 to 9 feet. Isolated showers.  

$$

PHZ122-221430-
Big Island Windward Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...East winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Scattered showers. 
.TUESDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon. 
.TUESDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers. 
.WEDNESDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 5 feet. Isolated showers. 
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers. 
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 5 feet. Isolated showers. 
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 8 feet increasing to 11 feet after midnight.
Isolated showers. 
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
10 to 11 feet. Isolated showers. 
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 8 to 10 feet. Isolated showers.  

$$

PHZ123-221430-
Big Island Leeward Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers. 
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers in the morning. 
.TUESDAY NIGHT...West of the Big Island, winds variable less than
10 knots becoming north 10 knots after midnight. Near South
Point, east winds to 25 knots. Wind waves 7 feet. Northwest swell
3 feet. Isolated showers after midnight. 
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 3 feet. 
.WEDNESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
7 feet. Northwest swell 3 feet. Isolated showers after midnight. 
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 3 feet. 
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 8 feet.
Northwest swell 5 feet increasing to 7 feet after midnight.
Isolated showers after midnight. 
.FRIDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon, then
backing south in the evening veering north after midnight. Near
South Point, east winds 20 knots. Wind waves 8 feet. Northwest
swell 7 to 9 feet. 
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 to 8 feet.
Northwest swell 6 to 8 feet.  

$$

PHZ124-221430-
Big Island Southeast Waters-
331 PM HST Mon Feb 21 2022

.TONIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Scattered showers. 
.TUESDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon. 
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers. 
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers. 
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers. 
.THURSDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 3 feet. Isolated showers. 
.THURSDAY NIGHT...Northeast winds 20 knots. Wind waves 8 feet.
Northwest swell 5 feet increasing to 7 feet after midnight.
Isolated showers. 
.FRIDAY...Northeast winds 20 knots. Wind waves 8 feet. Northwest
swell 7 to 9 feet. Isolated showers. 
.SATURDAY...East winds 20 knots. Wind waves 7 to 8 feet.
Northwest swell 6 to 8 feet. Isolated showers.  

$$