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70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Twin Rivers surfForecast / Washington / USA
48hr Weather and Surf, issued 9 am Saturday 13 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Twin Rivers surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Twin Rivers sea temperature is
9.4° C
(Which is normal for this time of year)How big are the waves at Twin Rivers today?
The current surf forecast for Twin Rivers at 4PM is: 1.4m 13s primary swell from a West-southwest direction (forecast issued at 09:00am December 13). An open ocean swell of 0.1m 18s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 3.5ft (1.0m) | 10s |
| Afternoon (13 Dec) | 4.5ft (1.4m) | 13s |
| Evening (13 Dec) | 5ft (1.5m) | 12s |
Table - waves today at Twin Rivers. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 11 | 13 | 13 | 12 | 12 | 11 | 11 | 21 | 21 | 20 | 12 | 19 | 18 | 11 | 18 | 11 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 216 | 222 | 245 | 623 | 681 | 614 | 0 | 0 | 0 | 9 | 9 | 7 | 136 | 7 | 25 | 418 | 6 | 0 | 0 | 3368 | 2735 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | glass | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:40AM 2.09 | 9:18PM 1.41 | 9:18AM 2.16 | 10:39PM 1.43 | 9:54AM 2.23 | 11:44PM 1.51 | ||||||||||||||||||
Low Tide / height (m) | 3:56PM 0.88 | 2:40AM 1.17 | 4:49PM 0.58 | 3:26AM 1.42 | 5:33PM 0.31 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | 7:56 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - |
 |  | |  |  | | | | | |  | | |  |  |  | | |  | |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | - | - | 4 | 10 | 16 | 17 | 4 | 6 | 4 | 1 | - | - | 1 |
| Temp. °C | 10 | 11 | 12 | 11 | 11 | 11 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 14 | 10 | 9 | 8 | 8 | 8 |
| Feels °C (?) | 9 | 10 | 11 | 9 | 9 | 9 | 10 | 10 | 8 | 11 | 10 | 12 | 11 | 8 | 9 | 10 | 11 | 12 | 11 | 4 | 3 | 3 | 5 | 5 |
- 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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