565 FZHW70 PHFO 301223 MWSHFO Marine Weather Statement National Weather Service Honolulu HI 223 AM HST Mon Mar 30 2026 PHZ117-122-310400- Maui County Windward Waters-Big Island Windward Waters- 223 AM HST Mon Mar 30 2026 ...SURGES IN NORTH FACING HARBORS THROUGH TONIGHT... A north northeast swell (20 degrees) filled in yesterday and will continue to hold through tonight and possibly through Tuesday. The swell will produce surges in north facing harbors, including Hilo and Kahului harbors and breaking waves near harbor entrances. Mariners using these harbors should exercise caution when entering or leaving port and when mooring or launching vessels. $$