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Surf Forecasts:
Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Tuesday 16 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Chinamans Hat/Mokolii surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chinamans Hat/Mokolii sea temperature is
25.5° C
(Which is slightly warmer than usual)How big are the waves at Chinamans Hat/Mokolii today?
The current surf forecast for Chinamans Hat/Mokolii at 9AM is: 1.6m 13s primary swell from a North direction and 0.5m 12s secondary swell from a Northwest direction (forecast issued at 01:00am December 16). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 5ft (1.6m) | 13s |
| Afternoon (16 Dec) | 5ft (1.5m) | 12s |
| Evening (16 Dec) | 4ft (1.2m) | 12s |
Table - waves today at Chinamans Hat/Mokolii. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 15 | 14 | 14 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1245 | 1048 | 1002 | 861 | 822 | 667 | 563 | 336 | 572 | 577 | 586 | 495 | 407 | 407 | 401 | 389 | 365 | 297 | 405 | 874 | 876 | 1077 | 1240 | 1164 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 1:16AM 0.76 | 10:09AM 0.42 | 1:43AM 0.80 | 10:49AM 0.40 | 2:12AM 0.82 | 11:29AM 0.38 | ||||||||||||||||||
Low Tide / height (m) | 8:07AM 0.36 | 5:57PM -0.07 | 8:43AM 0.34 | 6:27PM -0.09 | 9:15AM 0.31 | 6:59PM -0.11 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - |
 | |  |  | |  |  |  |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | 1 | 1 | - | - | 1 | - | - | - | - | 1 | 2 | 1 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 24 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 22 | 23 | 25 | 26 | 26 | 24 |
| Feels °C (?) | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 24 | 25 | 26 | 25 | 27 | 26 |
- Map Icons:
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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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