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Hakalau surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Wednesday 20 May 2026 HSTForecast update in hr min s Forecast update imminent
Hakalau surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hakalau sea temperature is
25.8° C
(Which is slightly warmer than usual)How big are the waves at Hakalau today?
The current surf forecast for Hakalau at 12PM is: 2.4m 9s primary swell from a East-northeast direction and 1.8m 9s secondary swell from a East-northeast direction, 1.4m 9s secondary swell from a East-southeast direction (forecast issued at 07:00am May 20). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 6ft (1.9m) | 8s |
| Afternoon (20 May) | 7.5ft (2.3m) | 9s |
| Evening (20 May) | 7ft (2.2m) | 9s |
Table - waves today at Hakalau. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Wed morning. Warm (max 24°C on Wed morning, min 22°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
267 | 477 | 822 | 773 | 791 | 708 | 692 | 803 | 822 | 858 | 858 | 790 | 724 | 858 | 926 | 858 | 767 | 689 | 698 | 641 | 574 | 574 | 601 | 616 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 4:45AM0.46m | 6:41PM0.98m | 6:01AM0.43m | 7:39PM0.92m | 7:55AM0.44m | 8:37PM0.85m | ||||||||||||||||||
Low Tide | 10:51AM0.10m | 2:13AM0.35m | 11:45AM0.19m | 3:20AM0.33m | 12:56PM0.30m | |||||||||||||||||||
 |  | | | | | |  | | |  | | | | | |  | | | | |  | | | |
 | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | 5:41 |
 | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | 6:52 |
2 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | |
Temp °C | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 22 |
24 | 24 | 24 | 24 | 25 | 23 | 23 | 23 | 23 | 23 | 22 | 24 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 22 | 22 | 24 | 24 | 23 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 9 | ENE 9 | ENE 9 | NNW 12 | ENE 9 | NNW 11 | NNW 11 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SE 13 | SSE 12 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
 kJ | 267 | 395 | 489 | 773 | 55 | 708 | 46 | 46 | 822 | 858 | 858 | 790 | 724 | 41 | 30 | 858 | 767 | 689 | 698 | 641 | 574 | 574 | 601 | 616 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 9 | NNW 12 | SSE 14 | NNW 11 | SSE 14 | SSE 13 | NNW 11 | NW 11 | NNW 11 | NNW 10 | SE 13 | NNW 10 | NNW 10 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | NNW 10 | NNW 11 | NW 11 | NW 11 |
| kJ | 239 | 268 | 288 | 56 | 19 | 47 | 37 | 35 | 46 | 29 | 22 | 20 | 42 | 10 | 9 | 29 | 29 | 29 | 29 | 14 | 10 | 11 | 30 | 30 |
Swell 3 Height (m) Direction Period (s) | NNW 11 | NNW 11 | NNW 12 | SSE 14 | S 18 | SSE 14 | S 18 | S 17 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | NNW 10 | S 15 | S 15 | NNW 10 | NNW 10 | NNW 10 | NW 9 | NNW 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 |
| kJ | 47 | 47 | 54 | 19 | 6 | 19 | 6 | 6 | 34 | 34 | 33 | 33 | 19 | 4 | 4 | 9 | 9 | 9 | 3 | 11 | 14 | 14 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | — | ENE 8 | ENE 9 | — | ENE 9 | — | ENE 9 | ENE 9 | — | — | — | — | — | ENE 9 | ENE 9 | — | — | — | — | — | — | — | — | — |
| kJ | — | 477 | 822 | — | 791 | — | 692 | 803 | — | — | — | — | — | 858 | 926 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 20 | 160 | 166 | 166 | 95 | 95 | 95 | 20 | 95 | 96 | 160 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 98 | 95 | 95 | 14 | 2 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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