


Coastal Waters Forecast
Issued by NWS
Issued by NWS
564 FZHW51 PHFO 020119 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 319 PM HST Mon Sep 1 2025 .Synopsis for Hawaiian coastal waters... Weak high pressure northeast of the state will remain displaced by a large low far to the north, keeping moderate trades in place through the forecast period. A low with deep tropical moisture will pass just south of the state through this afternoon. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds, north 4 feet at 11 seconds and north northwest 3 feet at 15 seconds. Isolated showers. .TUESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds, north 3 feet at 9 seconds and northwest 3 feet at 14 seconds. Isolated showers. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds, north 3 feet at 9 seconds and northwest 3 feet at 12 seconds. Isolated showers. .WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 12 seconds. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Isolated showers. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Isolated showers. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY...East winds 15 to 20 knots, easing to 10 to 15 knots. Seas 4 to 5 feet. Isolated showers. .SATURDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Isolated showers. $$