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Hakalau surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Tuesday 19 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 1PM is: 1.7m 8s primary swell from a East direction (forecast issued at 07:00am May 19). An open ocean swell of 0.3m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 5.5ft (1.7m) | 8s |
| Afternoon (19 May) | 6ft (1.8m) | 8s |
| Evening (19 May) | 6ft (1.9m) | 8s |
Table - waves today at Hakalau. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 28mm), heaviest during Tue night. Warm (max 25°C on Tue morning, min 22°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 9 | ESE 8 | E 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | |
346 | 339 | 382 | 382 | 477 | 505 | 307 | 293 | 616 | 504 | 489 | 841 | 791 | 773 | 759 | 678 | 738 | 772 | 772 | 790 | 724 | 727 | 813 | 813 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 3:52AM0.50m | 5:46PM1.04m | 4:45AM0.46m | 6:41PM0.98m | 6:01AM0.43m | 7:39PM0.92m | ||||||||||||||||||
Low Tide | 10:04AM0.02m | 00:59AM0.36m | 10:51AM0.10m | 2:13AM0.35m | 11:45AM0.19m | |||||||||||||||||||
 |  | | | |  | | | |  | | | | | | |  | | |  |  | | | | |
 | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | 5:41 |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | 6:52 |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | 1 | 1 | |
Temp °C | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 22 |
25 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 9 | ESE 8 | ENE 8 | NE 8 | ESE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | NNW 11 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SE 13 | ENE 9 | ENE 9 |
 kJ | 346 | 339 | 382 | 382 | 477 | 505 | 307 | 293 | 261 | 338 | 288 | 841 | 791 | 773 | 759 | 46 | 738 | 772 | 772 | 790 | 724 | 41 | 813 | 813 |
Swell 2 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 12 | NE 8 | NE 9 | ESE 8 | ESE 9 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | SSE 13 | NNW 11 | NW 11 | NNW 11 | NNW 10 | SSE 13 | NNW 10 | SSE 12 | SSE 12 |
| kJ | 23 | 37 | 34 | 19 | 32 | 54 | 206 | 221 | 239 | 328 | 54 | 56 | 55 | 47 | 46 | 35 | 45 | 29 | 22 | 20 | 33 | 10 | 30 | 29 |
Swell 3 Height (m) Direction Period (s) | NW 9 | NW 8 | SE 15 | NNW 13 | SE 15 | SE 15 | NNW 12 | NNW 13 | NNW 11 | NNW 11 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | S 17 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | NNW 10 | S 15 | NNW 10 | NNW 10 |
| kJ | 3 | 3 | 9 | 18 | 9 | 9 | 55 | 65 | 47 | 47 | 19 | 19 | 19 | 19 | 37 | 6 | 34 | 34 | 33 | 33 | 19 | 4 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 8 | ENE 8 | ENE 9 | — | — | — | — | E 9 | — | — | — | — | — | ENE 9 | — | — |
| kJ | — | — | — | — | — | — | — | — | 616 | 504 | 489 | — | — | — | — | 678 | — | — | — | — | — | 727 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 95 | 158 | 193 | 158 | 95 | 16 | 16 | 20 | 20 | 158 | 96 | 96 | 95 | 20 | 95 | 95 | 20 | 98 | 160 | 98 | 95 | 95 | 95 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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