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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 pm Tuesday 21 Apr 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
24.3° 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 9PM is: 0.7m 16s primary swell from a North-northwest direction and 0.9m 8s secondary swell from a North-northeast direction (forecast issued at 01:00pm April 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 3ft (0.9m) | 8s |
| Afternoon (21 Apr) | 3ft (0.9m) | 8s |
| Evening (21 Apr) | 2.5ft (0.7m) | 16s |
Table - waves today at Chuns and Jocks Reefs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 13 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 93 | 106 | 109 | 226 | 291 | 437 | 536 | 581 | 606 | 587 | 509 | 494 | 399 | 364 | 302 | 270 | 265 | 214 | 194 | 281 | 302 | 363 | 349 | 313 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- off | cross- off | cross- off | cross- 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 |
High Tide / height (m) | 7:03PM 0.49 | 7:22AM 0.07 | 8:12PM 0.46 | 9:22AM 0.09 | 9:21PM 0.44 | |||||||||||||||||||
Low Tide / height (m) | 9:51AM -0.04 | 2:15AM 0.02 | 10:52AM 0.00 | 3:20AM 0.01 | 12:21PM 0.05 | 4:05AM -0.01 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 |
| Sunset | - | - | 6:53 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - |
 |  | |  |  | | |  | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 25 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 |
| Feels °C (?) | 28 | 28 | 28 | 26 | 26 | 25 | 25 | 25 | 27 | 25 | 27 | 25 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 21 | 20 | 21 | 21 | 21 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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