Coastal Waters Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
559
FZHW51 PHFO 181941
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
941 AM HST Fri Apr 18 2025

.Synopsis for Hawaiian coastal waters...
High pressure will build far northeast of the area through the
weekend as a broad trough to the west weakens and dissipates. The
high will in turn weaken early next week as deep low pressure
develops to the northwest.

$$

Hawaiian waters within 40 nautical miles including the channels-

.REST OF TODAY...East to southeast winds 10 to 20 kt except
variable mainly southeast winds up to 15 kt leewards waters.
Seas 5 to 8 feet. Wave Detail: North northwest 6 feet at 11
seconds and east southeast 3 feet at 5 seconds. Scattered heavy
showers with a slight chance of thunderstorms.
.TONIGHT...East to northeast winds 10 to 20 kt except variable
mainly east winds up to 15 kt leewards waters. Seas 4 to 6 feet.
Wave Detail: East southeast 4 feet at 5 seconds and north
northwest 4 feet at 11 seconds. Scattered heavy showers with a
slight chance of thunderstorms.
.SATURDAY AND SATURDAY NIGHT...East to northeast winds 10 to 20
kt. Seas 4 to 6 ft. Wave Detail: East southeast 3 feet at 5
seconds and north northwest 3 feet at 10 seconds. Scattered
showers.
.SUNDAY THROUGH MONDAY...East winds 10 to 20 knots...except
becoming southeast 10 to 15 kt late Monday. Seas 3 to 5 feet.
Scattered showers.
.TUESDAY...South to southeast winds 10 to 20 kt except variable
winds up to 10 kt near Kauai. Seas 4 to 6 feet. Numerous showers.

Winds and seas higher in and near tstms.

$$