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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 1 pm Tuesday 12 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 8PM is: 1.7m 6s primary swell from a East-northeast direction and 0.9m 10s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 12). An open ocean swell of 0.2m 16s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 5.5ft (1.7m) | 6s |
| Afternoon (12 May) | 5.5ft (1.7m) | 6s |
| Evening (12 May) | 5.5ft (1.7m) | 6s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri morning. Warm (max 25°C on Tue afternoon, min 23°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 7 | E 7 | E 7 | E 7 | ENE 7 | 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 | |
219 | 212 | 212 | 237 | 239 | 284 | 262 | 258 | 262 | 268 | 299 | 342 | 362 | 346 | 376 | 516 | 558 | 773 | 731 | 828 | 651 | 632 | 623 | 527 | |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 12:32PM0.36m | 11:50PM0.29m | 1:10PM0.45m | 00:35AM0.25m | 1:50PM0.52m | 1:21AM0.21m | ||||||||||||||||||
Low Tide | 5:27PM0.10m | 5:09AM-0.06m | 6:33PM0.07m | 5:37AM-0.08m | 7:33PM0.05m | 6:08AM-0.09m | ||||||||||||||||||
 | | |  | | | | | | | | | | |  |  | | | | | | | |  | |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | 7:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 24 |
23 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 23 | 22 | 22 | 21 | 21 | 21 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NW 9 | NW 9 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 |
 kJ | 161 | 146 | 157 | 154 | 151 | 120 | 117 | 98 | 73 | 54 | 39 | 29 | 224 | 271 | 376 | 516 | 558 | 773 | 731 | 828 | 651 | 632 | 623 | 527 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | N 9 | N 9 | NNW 8 | NW 9 | N 8 | N 8 | N 8 | NW 11 | N 8 | N 8 | N 8 | NNE 8 | N 8 | N 8 | SW 16 |
| kJ | 50 | 48 | 25 | 25 | 25 | 25 | 25 | 24 | 21 | 15 | 15 | 23 | 28 | 34 | 22 | 22 | 60 | 22 | 22 | 22 | 23 | 12 | 12 | 65 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SSW 16 | S 16 | N 12 | N 12 | S 15 | S 15 | S 15 | N 10 | SSW 15 | NW 18 | NW 18 | N 8 | NW 9 | NW 9 | NW 9 | N 8 | SSW 14 | SSW 14 | SSW 17 | SSW 14 | SW 16 | SW 16 | N 8 |
| kJ | 10 | 25 | 5 | 12 | 12 | 4 | 4 | 4 | 2 | 21 | 50 | 80 | 23 | 28 | 20 | 19 | 22 | 19 | 18 | 30 | 18 | 43 | 67 | 12 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 219 | 212 | 212 | 237 | 239 | 284 | 262 | 258 | 262 | 268 | 299 | 342 | 362 | 346 | 319 | 319 | 327 | 292 | 259 | 265 | 329 | 355 | 324 | 355 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 21 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 21 | 19 | 19 | 19 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
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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