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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 Saturday 16 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
25.6° C
(Which is slightly warmer than usual)How big are the waves at Waimanu Bay today?
The current surf forecast for Waimanu Bay at 7AM is: 1.8m 8s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a Northwest direction, 0.2m 15s secondary swell from a North-northwest direction (forecast issued at 01:00am May 16). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 6ft (1.8m) | 8s |
| Afternoon (16 May) | 7.5ft (2.3m) | 8s |
| Evening (16 May) | 6ft (1.9m) | 8s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Sat afternoon. Warm (max 28°C on Sat afternoon, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 8 | E 8 | ENE 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | |
412 | 418 | 448 | 488 | 745 | 428 | 559 | 396 | 396 | 396 | 358 | 358 | 376 | 376 | 422 | 509 | 497 | 485 | 485 | 437 | 437 | 392 | 392 | 383 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | glassy | glassy | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 1:46AM0.55m | 3:24PM1.05m | 2:27AM0.51m | 4:09PM1.07m | 3:09AM0.48m | 4:57PM1.05m | ||||||||||||||||||
Low Tide | 8:00AM-0.03m | 10:08PM0.32m | 8:39AM-0.04m | 11:03PM0.32m | 9:19AM-0.03m | |||||||||||||||||||
 | |  | |  | |  | | | | | |  | | | | | | | | |  | | | |
 | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — |
— | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | |
Temp °C | 24 | 24 | 25 | 27 | 28 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 |
24 | 24 | 25 | 29 | 32 | 30 | 28 | 25 | 26 | 25 | 26 | 27 | 27 | 27 | 26 | 24 | 25 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 12 | NW 12 | NW 11 | E 8 | NNW 11 | E 8 | E 8 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 13 | NNW 13 | NNW 12 |
 kJ | 96 | 94 | 66 | 60 | 529 | 47 | 396 | 396 | 47 | 47 | 44 | 43 | 43 | 42 | 39 | 25 | 19 | 19 | 18 | 17 | 8 | 18 | 17 | 15 |
Swell 2 Height (m) Direction Period (s) | N 8 | NNW 15 | NNW 15 | NNW 14 | NNW 11 | NNW 13 | NNW 11 | NNW 11 | — | N 21 | NW 20 | NW 20 | NNW 19 | NNW 18 | NNW 18 | NNW 17 | NNW 16 | NNW 16 | NNW 15 | NNW 15 | NNW 14 | NNW 9 | NNW 9 | NNW 9 |
| kJ | 4 | 21 | 21 | 19 | 48 | 18 | 47 | 47 | — | 9 | 16 | 15 | 35 | 32 | 31 | 27 | 26 | 25 | 22 | 21 | 20 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | N 8 | — | N 8 | NNW 13 | — | NW 13 | — | — | S 11 | NW 20 | NNW 10 | N 13 | — | W 21 | — | — | — | — | — | — | — | S 16 | S 16 |
| kJ | — | 5 | — | 1 | 18 | — | 7 | — | — | 2 | 16 | 42 | 3 | — | 9 | — | — | — | — | — | — | — | 5 | 5 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | ENE 8 | E 8 | ESE 8 | E 8 | E 8 | — | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 |
| kJ | 412 | 418 | 448 | 488 | 745 | 428 | 559 | — | 396 | 396 | 358 | 358 | 376 | 376 | 422 | 509 | 497 | 485 | 485 | 437 | 437 | 392 | 392 | 383 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 58 | 69 | 58 | 74 | 0 | 0 | 74 | 69 | 66 | 66 | 66 | 77 | 101 | 81 | 66 | 74 | 69 | 66 | 72 | 98 | 24 | 77 | 66 | 72 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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