FZHW51 PHFO 191922 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 922 AM HST Fri Apr 19 2024 .Synopsis for Hawaiian coastal waters... The trades will decline slightly as a high pressure ridge north of the state weakens through the weekend. The ridge will strengthen early next week. $$ Hawaiian waters within 40 nautical miles including the channels- ...SMALL CRAFT ADVISORY... .REST OF TODAY...East northeast winds 20 to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 5 seconds and north 3 feet at 9 seconds. Isolated showers. .TONIGHT AND SATURDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds, and north 3 feet at 9 seconds, becoming 14 seconds Saturday. Isolated showers. .SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 13 seconds and east 3 feet at 5 seconds. Isolated showers. .SUNDAY AND SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers. .MONDAY AND TUESDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Scattered showers. $$