Honolulu

Honolulu Prepares for Stronger Trade Winds and Dry Spell, Wet Start Expected for Western Hawaii

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Published on December 21, 2025
Honolulu Prepares for Stronger Trade Winds and Dry Spell, Wet Start Expected for Western HawaiiSource: Unsplash/ Stockholm Paris Studio

Honolulu is bracing for a hike in trade wind activity and drier conditions across the Hawaiian Islands. Starting Monday, the surface high to the north is set to reignite trade winds, pushing them to gain strength into moderate to breezy levels. These stronger trades are forecasted to maintain their grip through Tuesday before gradually tapering off. The shift of the high-pressure system eastward later in the week suggests an easing of wind speeds, with more established dry weather anticipated for the latter half of the week, as per the latest update from the National Weather Service.

As the surface high builds, it's the tail-end of a stationary front that may contribute to a wet start for some parts of Hawaii next week. "Model total precipitable water (PWAT) normalized anomalies portray a positive, wetter than average moisture content across the islands during this time," underlines the NWS. A boost in moisture means there's potential for increased showers, particularly over the western islands, as Monday and Tuesday roll in.

For aviators, the shifting conditions shall enforce isolated showers across the state, leading occasionally to marginal visual flight rules, especially around Kauai and sections of The Big Island. The return of trade winds in the afternoon could lead to brief bouts of reduced visibility for windward areas, while an AIRMET Sierra remains in effect for Kauai due to persistent cloud coverage.

Boaters should be wary as A Small Craft Advisory is in effect until early Tuesday, with the ridge's resulting easterly trade winds stirring up some action in the surrounding waters. "Increasing trade winds through the day has triggered the issuance of a Small Craft Advisory this morning for the typical windier waters and channels around Maui and the Big Island lasting at least into Tuesday," the local meteorologists at NWS report. Meanwhile, surfers can ride on medium-period north swells, with a notable north-northeast swell expected to peak from Wednesday through Friday. Moderately high surf conditions are predicted for the eastern islands, with surfing on south-facing shores remaining tame with negligible swell impact, as per the National Weather Service.

While residents and visitors adjust their plans around the characteristic ebb and flow of island weather, it remains clear that the elements are in a constant dance with the archipelago. As the week unfolds, further updates will become pivotal, especially in light of a potential frontal boundary that may materialize towards the end of the forecast period. The outcomes of such a front on local weather cannot be asserted just yet, signaling the fluid nature of meteorological forecasting across the Pacific.