FZHW51 PHFO 070738 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 938 PM HST Sun Apr 6 2025 .Synopsis for Hawaiian coastal waters... A strong surface high pressure system far northwest of Kauai will drive fresh to strong trade winds through Monday. The high will briefly weaken Tuesday, then strengthen north of the islands late Wednesday. The current large north swell will gradually decline over the next few days. $$ Hawaiian waters within 40 nautical miles including the channels- ...SMALL CRAFT ADVISORY... .REST OF TONIGHT...East northeast winds 20 to 25 knots. Seas 11 to 14 feet. Wave Detail: North 11 feet at 14 seconds and east 6 feet at 7 seconds. Scattered showers. .MONDAY...East northeast winds 15 to 25 knots. Seas 10 to 13 feet. Wave Detail: North 10 feet at 14 seconds and east 6 feet at 7 seconds. Scattered showers. .MONDAY NIGHT...East northeast winds 15 to 25 knots. Seas 9 to 11 feet. Wave Detail: North 9 feet at 13 seconds and east 6 feet at 7 seconds. Scattered showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 8 to 10 feet. Wave Detail: North 6 feet at 12 seconds and east 5 feet at 7 seconds. Isolated showers. .TUESDAY NIGHT AND WEDNESDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Isolated showers. .WEDNESDAY NIGHT THROUGH FRIDAY...East northeast winds 15 to 25 knots. Seas 6 to 10 feet. Isolated showers. $$