CatchWindow fishing intelligence

Kahului, Kahului Harbor, HI Daily Water Report — October 8, 2026

Kahului Harbor gets a clear go for boating, kayaking and diving, with a qualified yes for fishing and sailing. The day starts comparatively gentle: the calmest forecast seas are near midnight at 0.84 m, and the representative daytime wind is only 2 knots from the SSE. That supports the strong activity outlooks—boating 8.7/10, kayaking 8.3, and diving 9.1—though those scores are planning aids, not safety guarantees. The best all-round daylight window is from dawn through late morning, before the day’s more energetic wind pattern has a chance to develop. Sunrise is 6:19 AM, following a 6:50 AM low tide of 0.12 m; water then rises to a 0.73 m high at 1:07 PM. For anglers, the 9:55–11:55 AM solunar major period overlaps that rising tide and earns the day’s most practical fishing window. Fishing is a middling 5.7/10 rather than a slam dunk, with the low 7% waning moon and a long rain window keeping the forecast from getting too cocky. Seas are not flat: expect roughly 0.8–1.4 m through the day, with a 0.72 m, 10.9-second swell from 190 degrees. Wind waves are small at the representative time, but the forecast’s strongest gust reaches 24.9 knots at 4 PM. That is the day’s big tradeoff. Afternoon crews should expect a potentially sharp change from the light-wind headline, particularly as rain remains possible from 4 AM through 11 PM. Atmospheric visibility is forecast at 4.38 km, so keep that separate from any expectations about underwater visibility. The water is warm at 26.8 C, about 0.2 C above average, and the ocean current is forecast at 0.25 m/s toward 143 degrees. Compared with the recent CatchWindow record, boating remains near its better recent range, kayaking is slightly below yesterday’s 8.6, and fishing has softened from 6.9 on October 6. Sailing holds steady at 6.2: enough breeze may arrive later, but the gust spread makes it less tidy than the morning. Friday stays similarly lumpy at 0.9–1.3 m with an 88% rain chance; Saturday onward looks progressively smaller, reaching 0.7–0.8 m by Sunday and Monday. Best bet: launch early, use the rising morning tide, and be back with a plan before the 4 PM gusts try to rewrite the itinerary.