Light to moderate wet trades will continue through Sunday. Winds will increase in speed Monday, becoming moderate to occasionally breezy. Wet trades through Monday night will dry out somewhat Tuesday, and a rather typical trade pattern is forecast to continue from Tuesday into next weekend.
An upper level disturbance northeast of the island chain continues to produce unsettled weather conditions with periods of showers and brief MVFR conditions over island mountains this evening. Periods of showers will continue into the early morning hours with decreasing trends on Sunday as the upper level disturbance weakens and drifts farther eastward away from the state.
AIRMET Sierra remains in effect for mountain obscuration for the islands of Kauai, Oahu, Molokai, Lanai, Maui and the Big Island of Hawaii.
Issued at 338 PM HST Sat May 16 2026 Winds will remain slightly east southeasterly at moderate to fresh levels through the rest of the weekend. Meanwhile, increasing stability over the region will result in decreasing shower and thunderstorm coverage across the coastal waters. A more typical easterly trade wind pattern will return next week.
A small, medium-period north northwest (320-330 degree) swell will continue to decline through Sunday night, with surf along north- facing shores following suit. A medium-period north northwest reinforcement may provide another small bump in surf along north- facing shores by early morning on Monday, followed by another small reinforcing swell on Tuesday. Surf along west-facing shores will remain mostly steady through the rest of the weekend as the northwest swell influence gradually declines, but a new, long- period south southwest swell fills in.
A mix of small, medium- to long-period south swells will maintain small surf along south-facing shores for the next several days. The long-period south southwest swell described above will increase surf along south-facing shores through Sunday. Additional small, medium to long-period south swell reinforcements will arrive Sunday through mid-week.
Moderate to fresh trades will maintain rough and choppy surf along east-facing shores for the next several days.
Tides will peak around 2.5 to 3.0 ft MLLW this weekend. Minor overwash of low lying coastal areas will be possible during times of high tide.
None.
