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70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Rainbow Rocks surfForecast / Oregon South / USA
48hr Weather and Surf, issued 3 pm Wednesday 10 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Rainbow Rocks surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rainbow Rocks sea temperature is
12.2° C
(Which is slightly warmer than usual)How big are the waves at Rainbow Rocks today?
The current surf forecast for Rainbow Rocks at 10PM is: 2.5m 13s primary swell from a West-northwest direction and 0.3m 15s secondary swell from a Southwest direction (forecast issued at 03:00pm December 10). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 8ft (2.5m) | 12s |
| Evening (10 Dec) | 8ft (2.5m) | 13s |
Table - waves today at Rainbow Rocks. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 7 AM | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1694 | 2078 | 2376 | 2449 | 2827 | 3293 | 3574 | 3545 | 3178 | 3135 | 2840 | 2506 | 2078 | 1679 | 1490 | 1336 | 1139 | 996 | 838 | 669 | 593 | 559 | 446 | 483 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross | cross- off | cross- off | off | cross- off | off | glass | cross | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 3:18PM 1.86 | 5:09AM 1.95 | 4:31PM 1.63 | 5:56AM 2.00 | 5:54PM 1.48 | 6:38AM 2.05 | ||||||||||||||||||
Low Tide / height (m) | 10:13PM 0.09 | 11:11AM 0.87 | 11:03PM 0.31 | 12:26PM 0.72 | 11:53PM 0.54 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 |
| Sunset | - | 4:45 | - | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - |
 | |  | | | | | | | | | | |  |  |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 13 | 15 | 15 | 13 | 13 | 13 | 13 | 13 | 15 | 17 | 18 | 16 | 14 | 13 | 13 | 12 | 14 |
| Feels °C (?) | 14 | 14 | 13 | 11 | 11 | 9 | 9 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 12 | 14 | 16 | 13 | 10 | 10 | 10 | 8 | 10 |
- 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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