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Waimanu Bay Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waimanu Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Monday 25 May 2026 HSTForecast update in hr min s Forecast update imminent
Waimanu Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanu Bay sea temperature is
25.7° C
(Which is slightly warmer than usual)How big are the waves at Waimanu Bay today?
The current surf forecast for Waimanu Bay at 4AM is: 1.8m 8s primary swell from a Northeast direction and 0.5m 12s secondary swell from a Northwest direction (forecast issued at 01:00am May 25). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 5.5ft (1.7m) | 8s |
| Afternoon (25 May) | 5.5ft (1.7m) | 8s |
| Evening (25 May) | 5ft (1.6m) | 8s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 25°C on Mon morning, min 22°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | |
428 | 418 | 381 | 356 | 348 | 306 | 298 | 283 | 306 | 387 | 344 | 327 | 327 | 344 | 353 | 362 | 310 | 310 | 296 | 296 | 256 | 226 | 135 | 135 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 12:22PM0.66m | 10:55PM0.62m | 1:02PM0.75m | 11:38PM0.57m | 1:36PM0.83m | |||||||||||||||||||
Low Tide | 5:18AM0.19m | 5:47PM0.45m | 5:47AM0.16m | 7:02PM0.43m | 6:14AM0.13m | 7:59PM0.40m | ||||||||||||||||||
 |  |  | | | | | | |  | | |  | | |  | | | | | | | | | |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 22 | 23 | 25 | 25 | 24 | 23 | 23 | 22 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 23 | 25 | 25 | 24 | 23 | 23 |
21 | 20 | 20 | 22 | 23 | 22 | 21 | 21 | 19 | 20 | 21 | 21 | 22 | 21 | 20 | 20 | 20 | 20 | 22 | 23 | 23 | 22 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | NE 8 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | NNW 10 | NW 19 | NW 18 | NW 18 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NE 7 | NE 7 |
 kJ | 69 | 418 | 63 | 60 | 31 | 30 | 30 | 30 | 29 | 28 | 17 | 16 | 10 | 10 | 58 | 114 | 111 | 94 | 93 | 112 | 137 | 134 | 79 | 77 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | NW 12 | NW 11 | NW 11 | S 10 | NW 11 | NW 11 | NW 11 | — | — | N 13 | N 13 | NW 21 | NW 20 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NW 14 | NW 14 |
| kJ | 94 | 67 | 64 | 60 | 2 | 58 | 58 | 30 | — | — | 4 | 3 | 17 | 15 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 121 | 119 |
Swell 3 Height (m) Direction Period (s) | — | — | S 14 | — | — | — | — | — | — | — | — | — | N 13 | N 12 | N 12 | N 12 | N 12 | N 16 | N 15 | N 14 | N 13 | N 13 | N 13 | N 12 |
| kJ | — | — | 4 | — | — | — | — | — | — | — | — | — | 3 | 3 | 3 | 3 | 3 | 5 | 4 | 4 | 4 | 14 | 29 | 28 |
Wind waves Height (m) Direction Period (s) | NE 8 | — | NE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 |
| kJ | 428 | — | 381 | 356 | 348 | 306 | 298 | 283 | 306 | 387 | 344 | 327 | 327 | 344 | 353 | 362 | 310 | 310 | 296 | 296 | 256 | 226 | 135 | 135 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 58 | 58 | 58 | 58 | 58 | 58 | 77 | 58 | 58 | 58 | 58 | 58 | 58 | 77 | 300 | 58 | 58 | 58 | 58 | 32 | 58 | 77 | 77 | 58 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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