303
FZHW51 PHFO 201318
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
318 AM HST Sun Apr 20 2025

.Synopsis for Hawaiian coastal waters...
High pressure far northeast of the area will hold into Monday producing
moderate easterly trade winds. A low will develop northwest of the
state during the first half of next week shifting winds out of the
south then holding through the remainder of the week. The low will
also increase the probability of thunderstorms across the western
waters.

$$

Hawaiian waters within 40 nautical miles including the channels-


.TODAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave
Detail: East 4 feet at 7 seconds and north 3 feet at 10 seconds.
Scattered showers.
.TONIGHT AND MONDAY...East winds 15 to 20 knots. Seas 4 to 5
feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers.
.MONDAY NIGHT...East southeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers.
.TUESDAY THROUGH WEDNESDAY...South southeast winds 10 to 20
knots. Seas 4 to 5 feet. Scattered heavy showers with isolated
thunderstorms.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 5 to 6 feet.
Scattered showers.

Winds and seas higher in and near tstms.

$$