Large NNW Swell Builds Today
Alerts
A Small Craft Advisory is posted for all Big Island channels and windward waters through 6 p.m. Wednesday.
Check our breaking news section for any urgent weather alerts.
**Click directly on the images below to make them larger. Charts include: Big Island projected winds, tides, swell direction & period and expected wave heights.**
Big Island Surf Forecast
Hilo side: Wave heights are expected head high to start with wave heights quickly building in the afternoon up to overhead or even double overhead by sunset.
Kona side: Wave heights waist/shoulder/head high are expected today. The best breaks could get overhead or more on the sets.
South: Wave heights are expected waist/head high today. Best breaks open to the building swell could get up to overhead on the sets by sunset.
Solid north-northwest swell is expected to rapidly build Tuesday to warning levels for most islands. Swell is expected to really pick up around 3 p.m. and peak overnight into early Wednesday morning.
Another, more westerly, swell is expected on the heels of this one for the end of the work week. This energy should build Thursday, peak Friday and ease through the weekend.
Our current south-southwest is expected to peak Tuesday and begin to gradually ease on Wednesday.
Next week another pulse of south-southwest is expected. Will keep an eye on it.
Keep in mind, surf heights are measured on the face of the wave from trough to crest. Heights vary from beach to beach, and at the same beach, from break to break.
**Click here for your detailed Big Island weather report.**
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
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