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Chuns and Jocks Reefs Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Chuns and Jocks Reefs surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Wednesday 13 May 2026 HSTForecast update in hr min s Forecast update imminent
Chuns and Jocks Reefs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chuns and Jocks Reefs sea temperature is
25.2° C
(Which is normal for this time of year)How big are the waves at Chuns and Jocks Reefs today?
The current surf forecast for Chuns and Jocks Reefs at 10AM is: 0.7m 9s primary swell from a North-northwest direction (forecast issued at 07:00am May 13). An open ocean swell of 0.2m 15s is not directed at the surf break, a second open ocean swell of 1.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 2.5ft (0.7m) | 9s |
| Afternoon (13 May) | 2ft (0.6m) | 9s |
| Evening (13 May) | 1.5ft (0.4m) | 18s |
Table - waves today at Chuns and Jocks Reefs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Fri night. Warm (max 25°C on Wed afternoon, min 23°C on Wed night). Winds decreasing (fresh winds from the ENE on Wed afternoon, light winds from the ESE by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 10 | NNW 9 | NNW 9 | NNW 9 | NW 18 | NW 18 | 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 | NW 12 | NW 12 | NW 11 | |
117 | 98 | 73 | 54 | 50 | 80 | 224 | 271 | 376 | 516 | 558 | 685 | 731 | 765 | 651 | 632 | 623 | 527 | 379 | 373 | 282 | 278 | 195 | 147 | |
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 | off | off | off | off | off | cross-off | off | off | off | |
High Tide | 1:10PM0.45m | 00:35AM0.25m | 1:50PM0.52m | 1:21AM0.21m | 2:31PM0.57m | |||||||||||||||||||
Low Tide | 5:09AM-0.06m | 6:33PM0.07m | 5:37AM-0.08m | 7:33PM0.05m | 6:08AM-0.09m | 8:32PM0.02m | ||||||||||||||||||
 |  | | | | | |  | |  | | | | | | | |  | | | |  | | | |
 | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | 7:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 3 | 2 | 4 | — | |
Temp °C | 23 | 24 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 |
21 | 22 | 21 | 22 | 22 | 21 | 21 | 21 | 22 | 21 | 22 | 23 | 24 | 24 | 23 | 23 | 24 | 25 | 26 | 27 | 25 | 23 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | 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 | ENE 8 | ENE 8 | NW 12 | ENE 8 | NW 12 | NW 12 | NW 12 | NW 11 |
 kJ | 117 | 98 | 73 | 54 | 39 | 29 | 224 | 271 | 376 | 516 | 558 | 685 | 731 | 765 | 651 | 632 | 287 | 238 | 379 | 246 | 282 | 278 | 195 | 147 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NNE 8 | N 8 | NW 13 | NW 13 | SW 16 | NW 12 | N 8 | N 6 | N 6 | N 6 |
| kJ | 25 | 25 | 21 | 15 | 26 | 22 | 33 | 22 | 34 | 22 | 33 | 22 | 22 | 22 | 24 | 22 | 623 | 527 | 64 | 373 | 63 | 41 | 28 | 19 |
Swell 3 Height (m) Direction Period (s) | S 15 | S 15 | N 10 | SSW 15 | NW 18 | NW 18 | NW 9 | NW 9 | NW 9 | NW 9 | NW 11 | SSW 14 | SSW 14 | SSW 17 | SSW 14 | SW 16 | NNE 8 | NNE 8 | N 8 | N 8 | SW 16 | SW 16 | SSW 16 | SW 16 |
| kJ | 4 | 4 | 2 | 21 | 50 | 80 | 28 | 27 | 20 | 12 | 60 | 19 | 18 | 30 | 18 | 43 | 13 | 13 | 12 | 12 | 64 | 64 | 25 | 40 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | — | — | ENE 8 | — | E 8 | E 8 | E 8 | E 8 |
| kJ | 262 | 270 | 268 | 290 | 299 | 342 | 362 | 335 | 310 | 310 | 310 | 319 | 286 | 268 | 308 | 316 | — | — | 246 | — | 235 | 314 | 318 | 350 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 19 | 19 | 168 | 19 | 19 | 19 | 1 | 1 | 1 | 19 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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