Coastal Waters Forecast
Issued by NWS
Issued by NWS
478 FZHW51 PHFO 010112 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 312 PM HST Sun Nov 30 2025 .Synopsis for Hawaiian coastal waters... Ridging will remain in place over the area for the first half of the week. An extra large northwest swell will gradually decline through Monday, but will produce seas above Small Craft Advisory levels for exposed waters. A cold front will approach from the northwest on Wednesday, but is then expected to weaken to a trough and retreat westward. By late this week into the weekend, strengthening surface high pressure northeast of the islands will bring a return of easterly trades. $$ Hawaiian waters within 40 nautical miles including the channels- ...SMALL CRAFT ADVISORY THROUGH MONDAY MORNING FOR WATERS AROUND KAUAI...KAUAI CHANNEL...WATERS AROUND OAHU...KAIWI CHANNEL...MAUI COUNTY WINDWARD WATERS...ALENUIHAHA CHANNEL AND BIG ISLAND WINDWARD WATERS... .TONIGHT...East southeast winds 10 to 15 knots. Seas 10 to 14 feet. Wave Detail: Northwest 13 feet at 15 seconds and east southeast 3 feet at 6 seconds. Hazy. Scattered showers. .MONDAY...East southeast winds 10 to 15 knots. Seas 8 to 11 feet. Wave Detail: Northwest 9 feet at 15 seconds and east 3 feet at 6 seconds. Hazy. Isolated showers. .MONDAY NIGHT...East southeast winds 10 to 15 knots. Seas 6 to 9 feet. Wave Detail: Northwest 7 feet at 14 seconds and east 3 feet at 5 seconds. Isolated showers. .TUESDAY...East southeast winds 10 to 15 knots. Seas 5 to 8 feet. Wave Detail: Northwest 6 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 6 to 9 feet. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 6 to 9 feet. Scattered showers. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 9 to 12 feet. Scattered showers. .THURSDAY...to Kauai, east southeast winds 10 to 15 knots, rising to 15 to 20 knots. Elsewhere, east southeast winds 20 to 25 knots. Seas 8 to 11 feet. Scattered showers. .FRIDAY...East winds 20 to 25 knots. Seas 8 to 10 feet. Scattered showers. $$