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Surf Forecasts:
Halape surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 pm Wednesday 20 May 2026 HSTForecast update in hr min s Forecast update imminent
Halape surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Halape sea temperature is
26.2° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Halape today?
The current surf forecast for Halape at 10PM is: 2.1m 9s primary swell from a East direction and 0.4m 17s secondary swell from a South-southwest direction, 0.4m 14s secondary swell from a Southeast direction (forecast issued at 01:00pm May 20). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 6ft (1.8m) | 9s |
| Afternoon (20 May) | 5ft (1.5m) | 9s |
| Evening (20 May) | 7ft (2.1m) | 9s |
Table - waves today at Halape. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 23°C on Wed night). Mainly strong winds. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 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 | ENE 8 | ENE 8 | |
586 | 337 | 710 | 710 | 632 | 668 | 732 | 759 | 759 | 694 | 724 | 660 | 724 | 724 | 662 | 608 | 554 | 541 | 528 | 479 | 468 | 468 | 412 | 432 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | |
High Tide | 7:03PM0.98m | 7:11AM0.43m | 8:01PM0.91m | 8:51AM0.45m | 9:00PM0.83m | |||||||||||||||||||
Low Tide | 11:31AM0.10m | 2:25AM0.25m | 12:29PM0.19m | 3:29AM0.23m | 1:45PM0.29m | 4:23AM0.21m | ||||||||||||||||||
 | | |  | |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — |
 | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | 6:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 27 | 26 | 25 | 24 | 24 | 23 | 24 | 26 | 26 | 26 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 25 | 23 | 23 | 23 | 23 | 25 |
23 | 23 | 23 | 22 | 22 | 22 | 21 | 20 | 21 | 20 | 21 | 20 | 20 | 20 | 19 | 21 | 21 | 21 | 20 | 18 | 19 | 20 | 20 | 22 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | ESE 9 | SSW 17 | SSW 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 |
 kJ | 66 | 337 | 101 | 96 | 137 | 134 | 134 | 132 | 131 | 122 | 113 | 159 | 112 | 157 | 109 | 106 | 103 | 100 | 220 | 192 | 190 | 190 | 188 | 245 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 14 | SSW 13 | SSW 13 | SE 14 | SE 13 | SE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SE 12 | SE 12 | SE 12 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SE 12 | SSE 12 |
| kJ | 103 | 63 | 57 | 59 | 46 | 45 | 44 | 66 | 66 | 65 | 64 | 60 | 38 | 37 | 37 | 101 | 154 | 98 | 58 | 60 | 34 | 58 | 35 | 27 |
Swell 3 Height (m) Direction Period (s) | SE 14 | SSW 18 | SE 14 | SE 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 22 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | NNW 10 | S 18 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 12 | SSW 13 | SE 10 |
| kJ | 50 | 61 | 50 | 49 | 34 | 34 | 34 | 33 | 9 | 14 | 14 | 14 | 14 | 9 | 58 | 37 | 37 | 37 | 37 | 36 | 35 | 14 | 35 | 14 |
Wind waves Height (m) Direction Period (s) | E 9 | ENE 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 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 | ENE 8 | ENE 8 |
| kJ | 586 | 330 | 710 | 710 | 632 | 668 | 732 | 759 | 759 | 694 | 724 | 660 | 724 | 724 | 662 | 608 | 554 | 541 | 528 | 479 | 468 | 468 | 412 | 432 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 193 | 204 | 90 | 72 | 58 | 72 | 72 | 81 | 92 | 99 | 3745 | 72 | 81 | 72 | 60 | 81 | 84 | 82 | 81 | 72 | 72 | 60 | 81 | 57 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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