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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 1 am Monday 18 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 8AM is: 0.4m 14s primary swell from a Northwest direction and 0.4m 9s secondary swell from a Northwest direction (forecast issued at 01:00am May 18). An open ocean swell of 0.4m 14s is not directed at the surf break, a second open ocean swell of 2.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 1.5ft (0.4m) | 14s |
| Afternoon (18 May) | 1.5ft (0.4m) | 13s |
| Evening (18 May) | 1.5ft (0.4m) | 12s |
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 25°C on Mon morning, min 23°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NW 15 | NW 15 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 11 | NW 11 | NNW 11 | NW 10 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NW 10 | NNW 11 | NNW 10 | NNW 11 | NNW 10 | |
56 | 54 | 49 | 45 | 42 | 38 | 37 | 67 | 43 | 59 | 82 | 104 | 82 | 89 | 92 | 115 | 108 | 104 | 67 | 47 | 90 | 97 | 75 | 63 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | 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 | 3:47AM0.11m | 4:52PM0.60m | 4:46AM0.09m | 5:44PM0.57m | 6:00AM0.09m | 6:40PM0.53m | ||||||||||||||||||
Low Tide | 8:03AM-0.09m | 11:31PM0.00m | 8:49AM-0.05m | 00:33AM0.00m | 9:42AM-0.02m | |||||||||||||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 24 | 23 | 23 |
24 | 24 | 24 | 25 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 22 | 23 | 22 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | NNW 9 | SW 14 | SW 14 | SW 14 | SW 14 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 11 | NW 11 | NNW 11 | NW 10 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NW 10 | NNW 11 | NNW 10 | NNW 11 | NNW 10 |
 kJ | 32 | 51 | 50 | 50 | 50 | 38 | 37 | 67 | 43 | 59 | 82 | 104 | 82 | 89 | 92 | 115 | 108 | 104 | 67 | 47 | 90 | 97 | 75 | 63 |
Swell 2 Height (m) Direction Period (s) | SW 14 | NW 9 | NW 9 | NW 13 | NW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 18 | SSW 18 | SW 14 | SSW 16 | SSW 15 | SSW 15 | SW 16 | SW 16 | NNW 11 | SSW 16 | SSW 16 | SSW 15 | NW 9 |
| kJ | 51 | 21 | 21 | 45 | 42 | 49 | 48 | 47 | 46 | 47 | 48 | 79 | 30 | 46 | 24 | 21 | 44 | 64 | 64 | 43 | 50 | 50 | 21 | 13 |
Swell 3 Height (m) Direction Period (s) | NW 15 | NW 15 | NW 14 | SW 19 | SW 19 | SSW 19 | NNW 8 | NNW 8 | NNW 13 | SSW 18 | SW 18 | SW 13 | SW 13 | NNW 14 | SSW 13 | NNW 13 | SW 16 | SW 13 | NNW 12 | SSW 16 | NW 10 | SW 13 | SSW 13 | SSW 14 |
| kJ | 56 | 54 | 49 | 96 | 96 | 37 | 7 | 7 | 17 | 30 | 79 | 28 | 27 | 18 | 17 | 17 | 10 | 7 | 28 | 50 | 14 | 7 | 17 | 20 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 526 | 558 | 507 | 476 | 476 | 428 | 383 | 333 | 301 | 287 | 287 | 326 | 287 | 333 | 365 | 374 | 392 | 402 | 535 | 596 | 713 | 748 | 719 | 782 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 19 | 19 | 19 | 19 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 19 | 19 | 19 | 19 | 21 | 21 | 21 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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