FZHW70 PHFO 070143 MWSHFO Marine Weather Statement National Weather Service Honolulu HI 343 PM HST Sun Apr 6 2025 PHZ117-122-071445- Maui County Windward Waters-Big Island Windward Waters- 343 PM HST Sun Apr 6 2025 ...LARGE NORTH SWELL TO PRODUCE SURGES IN NORTH FACING HARBORS... A large, long period north swell from 350 to 360 degrees gradually decline over the next few days. Moderate to heavy surges are expected in north facing harbors, especially at Kahului and Hilo at least through tonight and possibly into Monday. Mariners using these harbors should exercise caution when entering or leaving port and when mooring or launching. $$