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Surf Forecasts:
Waimea Rivermouth surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 am Saturday 06 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Waimea Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimea Rivermouth sea temperature is
26.0° C
(Which is slightly warmer than usual)How big are the waves at Waimea Rivermouth today?
The current surf forecast for Waimea Rivermouth at 12PM is: 1.1m 8s primary swell from a East direction and 0.6m 8s secondary swell from a Southeast direction (forecast issued at 07:00am December 06). An open ocean swell of 1.7m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 4ft (1.2m) | 8s |
| Afternoon (06 Dec) | 3.5ft (1.0m) | 8s |
| Evening (06 Dec) | 3.5ft (1.0m) | 8s |
Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 14 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 13 | 8 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 206 | 168 | 164 | 111 | 93 | 111 | 138 | 111 | 54 | 76 | 78 | 163 | 223 | 156 | 161 | 157 | 103 | 100 | 116 | 116 | 27 | 92 | 16 | 15 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross | cross- off | cross | 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) | 5:12AM 0.68 | 4:16PM 0.15 | 6:00AM 0.64 | 5:16PM 0.14 | 6:48AM 0.60 | 6:31PM 0.14 | ||||||||||||||||||
Low Tide / height (m) | 1:03PM 0.11 | 10:07PM -0.09 | 2:02PM 0.11 | 10:52PM -0.05 | 2:59PM 0.10 | 11:40PM 0.02 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| Sunrise | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - |
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 22 | 25 | 25 | 24 | 23 | 23 | 23 | 22 | 22 | 25 | 25 | 24 | 23 | 22 | 22 |
| Feels °C (?) | 25 | 23 | 27 | 28 | 27 | 26 | 24 | 24 | 24 | 23 | 26 | 26 | 25 | 23 | 24 | 24 | 22 | 22 | 26 | 26 | 25 | 24 | 22 | 23 |
- 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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