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Fetching the latest NWS forecast for Hawaiʻi Island.
Arrows point the way each swell travels
Wave-face heights in feet. Pick a time above the map or in this table, or swipe the map.
Extended swell
Offshore swell in feet from computer models (Open-Meteo). Breaking surf usually runs bigger.
Swell outlook
The NWS forecaster's discussion of incoming swells and trade winds appears here.