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Chuns Reef Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Chuns Reef surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Wednesday 13 May 2026 HSTForecast update in hr min s Forecast update imminent
Chuns Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chuns Reef sea temperature is
25.2° C
(Which is normal for this time of year)How big are the waves at Chuns Reef today?
The current surf forecast for Chuns Reef at 12AM is: 1.9m 7s primary swell from a East-northeast direction and 0.6m 16s secondary swell from a Northwest direction, 0.5m 8s secondary swell from a North direction (forecast issued at 07:00pm May 13). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 3.5ft (1.1m) | 15s |
| Afternoon (14 May) | 4.5ft (1.4m) | 14s |
| Evening (14 May) | 5ft (1.5m) | 14s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 45mm), heaviest during Fri afternoon. Warm (max 25°C on Thu morning, min 20°C on Fri afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 7 | ENE 7 | ENE 7 | ENE 7 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
268 | 350 | 362 | 335 | 376 | 516 | 558 | 685 | 731 | 828 | 732 | 632 | 623 | 527 | 379 | 373 | 387 | 397 | 383 | 361 | 370 | 370 | 361 | 350 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 00:35AM0.25m | 1:50PM0.52m | 1:21AM0.21m | 2:31PM0.57m | 2:07AM0.17m | |||||||||||||||||||
Low Tide | 6:33PM0.07m | 5:37AM-0.08m | 7:33PM0.05m | 6:08AM-0.09m | 8:32PM0.02m | 6:43AM-0.10m | ||||||||||||||||||
 |  | |  | |  | | | | | | | |  | | |  |  | | | | | | | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — |
 | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | 7:04 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 8 | 22 | 13 | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 23 | 20 | 20 | 22 | 23 | 23 | 24 | 25 | 25 |
22 | 21 | 21 | 21 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 25 | 26 | 24 | 20 | 19 | 22 | 24 | 24 | 25 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | NW 9 | N 8 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | E 8 | NW 12 | ENE 8 | NW 11 | NW 11 | NW 11 | NW 11 |
 kJ | 39 | 34 | 224 | 271 | 376 | 516 | 558 | 685 | 731 | 828 | 732 | 632 | 623 | 527 | 379 | 373 | 282 | 397 | 195 | 361 | 145 | 145 | 121 | 96 |
Swell 2 Height (m) Direction Period (s) | N 9 | NW 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NNE 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NW 12 | N 8 | NW 11 | SW 14 | SW 16 | SW 15 | SW 15 |
| kJ | 26 | 29 | 34 | 22 | 34 | 34 | 33 | 34 | 22 | 22 | 23 | 12 | 20 | 12 | 21 | 20 | 20 | 278 | 10 | 147 | 29 | 63 | 57 | 55 |
Swell 3 Height (m) Direction Period (s) | NW 18 | NW 18 | NW 9 | NW 9 | NW 9 | NW 9 | NW 11 | SSW 14 | SSW 14 | SSW 17 | SSW 14 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | N 7 | SSW 16 | SSW 16 | NNW 14 | NNW 13 | NNW 13 | NW 13 |
| kJ | 50 | 80 | 28 | 27 | 20 | 12 | 60 | 19 | 18 | 30 | 18 | 69 | 67 | 65 | 64 | 64 | 64 | 15 | 25 | 25 | 19 | 35 | 17 | 7 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | E 8 | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 268 | 350 | 362 | 335 | 355 | 328 | 286 | 286 | 261 | 228 | 265 | 308 | 316 | 346 | 332 | 332 | 387 | — | 383 | — | 370 | 370 | 361 | 350 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 21 | 19 | 19 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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