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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 Sunday 10 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 7PM is: 1.3m 12s primary swell from a North-northwest direction (forecast issued at 01:00pm May 10). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 4ft (1.2m) | 12s |
| Afternoon (10 May) | 4.5ft (1.3m) | 11s |
| Evening (10 May) | 4.5ft (1.3m) | 12s |
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 Sun afternoon. Warm (max 25°C on Sun afternoon, min 23°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 12 | NNW 10 | NNW 11 | NNW 12 | N 12 | NW 12 | NNW 12 | NNW 11 | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | E 6 | E 6 | ENE 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | E 6 | E 7 | E 7 | E 7 | |
365 | 333 | 323 | 429 | 639 | 355 | 521 | 463 | 394 | 229 | 194 | 194 | 137 | 165 | 182 | 252 | 245 | 267 | 273 | 245 | 267 | 289 | 266 | 270 | |
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 | 11:14AM0.20m | 10:17PM0.36m | 11:54AM0.28m | 11:05PM0.33m | 12:32PM0.36m | 11:50PM0.29m | ||||||||||||||||||
Low Tide | 2:47PM0.12m | 4:19AM-0.02m | 4:13PM0.12m | 4:43AM-0.04m | 5:27PM0.10m | 5:09AM-0.06m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | 7:01 |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
24 | 24 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 10 | NNW 11 | NNW 12 | N 12 | NW 12 | NNW 12 | NNW 11 | NNW 11 | NW 11 | NW 11 | NW 11 | N 6 | NNE 6 | NNE 6 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 |
 kJ | 365 | 333 | 323 | 429 | 639 | 355 | 521 | 463 | 394 | 229 | 194 | 194 | 64 | 68 | 66 | 97 | 128 | 146 | 157 | 154 | 122 | 120 | 117 | 98 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | NW 13 | NW 13 | ESE 8 | SW 13 | SW 13 | S 11 | S 10 | S 18 | SW 17 | SW 17 | S 17 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 14 | 88 | 63 | 24 | 7 | 7 | 2 | 2 | 6 | 12 | 12 | 6 | 137 | 137 | 110 | 106 | 64 | 48 | 25 | 25 | 25 | 25 | 25 | 24 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | S 11 | S 11 | S 11 | S 11 | S 18 | S 18 | S 10 | S 12 | S 12 | N 14 | N 13 | NNW 13 | N 12 | SW 15 | SW 16 | SSW 16 | S 16 | N 12 | N 12 | S 15 | S 15 | S 15 |
| kJ | 17 | 16 | 3 | 2 | 2 | 2 | 7 | 7 | 2 | 3 | 3 | 4 | 14 | 54 | 75 | 9 | 10 | 25 | 5 | 12 | 12 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ESE 8 | NE 6 | E 5 | E 8 | E 8 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 | ENE 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | E 6 | E 7 | E 7 | E 7 |
| kJ | 115 | 89 | 87 | 71 | 87 | 135 | 55 | 98 | 116 | 128 | 145 | 176 | 104 | 165 | 182 | 252 | 245 | 267 | 273 | 245 | 267 | 289 | 266 | 270 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 26 | 165 | 19 | 19 | 19 | 19 | 19 | 23 | 165 | 165 | 19 | 21 | 19 | 19 | 19 | 19 | 19 | 21 | 19 | 19 | 19 | 19 | 19 |
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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