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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 pm Wednesday 20 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
25.6° 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 11PM is: 0.5m 10s primary swell from a North-northwest direction and 0.3m 9s secondary swell from a Northwest direction (forecast issued at 07:00pm May 20). An open ocean swell of 2.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 2.5ft (0.7m) | 11s |
| Evening (20 May) | 1.5ft (0.5m) | 10s |
Table - waves today at Chuns and Jocks Reefs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Wed night, min 23°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NNW 10 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 17 | NNW 16 | NNW 16 | |
97 | 73 | 63 | 41 | 33 | 19 | 19 | 24 | 24 | 23 | 23 | 25 | 25 | 25 | 40 | 56 | 57 | 57 | 57 | 56 | 53 | 74 | 102 | 162 | |
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 | 6:40PM0.53m | 7:31AM0.11m | 7:36PM0.48m | 9:08AM0.16m | 8:32PM0.43m | 10:27AM0.22m | ||||||||||||||||||
Low Tide | 1:31AM0.00m | 10:46AM0.04m | 2:21AM-0.00m | 12:11PM0.09m | 3:02AM-0.01m | 1:55PM0.14m | ||||||||||||||||||
 |  | | | |  | | | | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 |
21 | 22 | 20 | 19 | 19 | 19 | 20 | 20 | 18 | 19 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 19 | 20 | 19 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NNW 10 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 16 | NNW 16 |
 kJ | 97 | 73 | 63 | 41 | 33 | 19 | 19 | 24 | 24 | 23 | 23 | 25 | 25 | 25 | 40 | 56 | 57 | 57 | 57 | 56 | 53 | 51 | 102 | 162 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 13 | NW 9 | NW 9 | WNW 9 | SSW 13 | SSW 13 | SSW 14 | S 16 | S 15 | SSW 15 | SSW 15 | SSW 15 | S 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NNW 19 | NNW 18 | NW 17 | NW 10 | NW 10 |
| kJ | 50 | 18 | 13 | 12 | 8 | 17 | 16 | 20 | 5 | 17 | 21 | 21 | 21 | 17 | 21 | 20 | 19 | 18 | 18 | 35 | 31 | 74 | 50 | 50 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | NW 9 | NW 9 | S 16 | SW 12 | SW 12 | S 13 | S 13 | S 13 | S 12 | S 12 | S 18 | S 18 | S 18 | S 17 | SSW 13 | S 16 | S 16 | SSW 13 | S 16 |
| kJ | 7 | 21 | 20 | 17 | 16 | 3 | 3 | 5 | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 6 | 18 | 21 | 20 | 17 | 5 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | 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 |
| kJ | 704 | 737 | 800 | 850 | 962 | 962 | 979 | 1003 | 1071 | 1197 | 1175 | 1123 | 1048 | 975 | 1003 | 912 | 919 | 899 | 899 | 878 | 899 | 808 | 1047 | 1027 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 21 | 21 | 166 | 168 | 166 | 168 | 173 | 165 | 170 | 303 | 168 | 21 | 21 | 21 | 165 | 168 | 165 | 165 | 21 | 21 | 165 | 165 | 173 | 165 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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