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Halape surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 pm Thursday 21 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 1.0°C warmer than normal for this time of year)How big are the waves at Halape today?
The current surf forecast for Halape at 7PM is: 2.2m 9s primary swell from a East-northeast direction and 0.6m 15s secondary swell from a South direction, 0.4m 12s secondary swell from a South-southeast direction (forecast issued at 01:00pm May 21). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 7.5ft (2.3m) | 9s |
| Afternoon (21 May) | 7ft (2.2m) | 9s |
| Evening (21 May) | 7ft (2.2m) | 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 Thu afternoon, min 22°C on Sat night). Mainly strong winds. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
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 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
773 | 708 | 708 | 645 | 724 | 708 | 647 | 589 | 522 | 541 | 479 | 537 | 504 | 450 | 450 | 457 | 477 | 524 | 488 | 412 | 412 | 385 | 336 | 298 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 8:01PM0.91m | 8:51AM0.45m | 9:00PM0.83m | 10:29AM0.52m | 9:59PM0.77m | |||||||||||||||||||
Low Tide | 12:29PM0.19m | 3:29AM0.23m | 1:45PM0.29m | 4:23AM0.21m | 3:22PM0.36m | 5:07AM0.18m | ||||||||||||||||||
 | | |  | | | | | | | | | | | | |  | | |  | | | | | |
 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — |
 | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | 6:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 27 | 26 | 24 | 24 | 23 | 23 | 25 | 25 | 27 | 25 | 24 | 23 | 23 | 23 | 25 | 25 | 26 | 25 | 24 | 24 | 23 | 22 | 24 |
21 | 21 | 21 | 20 | 21 | 19 | 20 | 21 | 20 | 22 | 20 | 20 | 19 | 20 | 20 | 22 | 21 | 21 | 20 | 20 | 21 | 20 | 19 | 21 | |
Swell 1 Height (m) Direction Period (s) | 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 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | ENE 8 | S 14 |
 kJ | 131 | 122 | 113 | 159 | 112 | 157 | 109 | 106 | 103 | 100 | 220 | 192 | 190 | 190 | 188 | 245 | 224 | 215 | 157 | 209 | 150 | 192 | 336 | 132 |
Swell 2 Height (m) Direction Period (s) | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SE 12 | SE 12 | SSE 12 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSE 12 | SSE 12 | SSE 11 | S 18 | SE 9 | S 17 | SSE 11 | S 14 | S 16 |
| kJ | 66 | 65 | 64 | 60 | 38 | 37 | 57 | 101 | 154 | 98 | 58 | 60 | 34 | 58 | 35 | 27 | 13 | 12 | 24 | 13 | 52 | 12 | 132 | 46 |
Swell 3 Height (m) Direction Period (s) | S 21 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | NNW 10 | S 18 | SE 12 | SSE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 12 | SSE 12 | NW 11 | NW 11 | NW 11 | SSE 11 | SSE 11 | SSE 11 | SE 10 | S 16 | ESE 9 |
| kJ | 9 | 14 | 14 | 14 | 14 | 9 | 58 | 37 | 57 | 37 | 36 | 36 | 35 | 27 | 14 | 5 | 5 | 5 | 12 | 12 | 11 | 4 | 45 | 8 |
Wind waves Height (m) Direction Period (s) | 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 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 773 | 708 | 708 | 645 | 724 | 708 | 647 | 589 | 522 | 541 | 479 | 537 | 504 | 450 | 450 | 457 | 477 | 524 | 488 | 412 | 412 | 385 | 554 | 298 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 229 | 204 | 72 | 72 | 92 | 81 | 60 | 81 | 91 | 92 | 81 | 72 | 72 | 60 | 72 | 72 | 552 | 543 | 81 | 72 | 90 | 58 | 58 | 55 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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