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Surf Forecasts:
Waialua Rivermouth surfForecast / HAW – Molokai / USA
48hr Weather and Surf, issued 7 pm Tuesday 09 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Waialua Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waialua Rivermouth sea temperature is
25.9° C
(Which is slightly warmer than usual)How big are the waves at Waialua Rivermouth today?
The current surf forecast for Waialua Rivermouth at 1AM is: 2.3m 16s primary swell from a Northwest direction and 0.9m 8s secondary swell from a East-northeast direction (forecast issued at 07:00pm December 09). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 8ft (2.4m) | 16s |
| Afternoon (10 Dec) | 8ft (2.4m) | 15s |
| Evening (10 Dec) | 7ft (2.2m) | 14s |
Table - waves today at Waialua Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 17 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1021 | 1197 | 1048 | 2742 | 2831 | 2868 | 2761 | 2449 | 2114 | 2171 | 1686 | 1367 | 1242 | 1305 | 1285 | 1344 | 1359 | 1243 | 1138 | 1029 | 872 | 768 | 544 | 423 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | cross- on | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross- off | cross | cross | cross- on | glass |
High Tide / height (m) | 7:43PM 0.23 | 7:27AM 0.60 | 9:15PM 0.30 | 8:15AM 0.53 | 10:30PM 0.38 | 9:03AM 0.45 | ||||||||||||||||||
Low Tide / height (m) | 2:37PM 0.04 | 12:14AM 0.12 | 3:20PM 0.04 | 1:41AM 0.19 | 3:56PM 0.03 | 3:33AM 0.24 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - |
| Sunset | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - |
 |  | | | |  | | | |  | | | | | |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | 1 | 1 | 1 | 1 | - |
| Temp. °C | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 25 | 26 | 26 | 24 | 24 | 26 | 26 | 25 | 24 | 23 | 23 | 24 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 25 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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