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70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Morro Bay surfForecast / CAL – San Luis Obispo / USA
48hr Weather and Surf, issued 3 pm Wednesday 10 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Morro Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Morro Bay sea temperature is
15.7° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Morro Bay today?
The current surf forecast for Morro Bay at 10PM is: 1.4m 13s primary swell from a Northwest direction and 0.4m 15s secondary swell from a South direction (forecast issued at 03:00pm December 10). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 4.5ft (1.4m) | 14s |
| Evening (10 Dec) | 4.5ft (1.4m) | 14s |
Table - waves today at Morro Bay. (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 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 365 | 785 | 742 | 732 | 659 | 754 | 961 | 1072 | 1028 | 1225 | 1527 | 1527 | 1361 | 1292 | 1161 | 1010 | 996 | 982 | 754 | 624 | 615 | 491 | 476 | 395 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | off | off | off | off | cross- off |
High Tide / height (m) | 2:22PM 1.20 | 4:45AM 1.11 | 3:30PM 1.03 | 5:25AM 1.19 | 4:49PM 0.89 | 6:01AM 1.27 | ||||||||||||||||||
Low Tide / height (m) | 9:56PM 0.07 | 10:37AM 0.63 | 10:43PM 0.19 | 11:48AM 0.50 | 11:26PM 0.30 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 |
| Sunset | - | 4:51 | - | - | - | - | - | - | - | 4:51 | - | - | - | - | - | - | - | 4:51 | - | - | - | - | - | - |
 | |  | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 22 | 17 | 16 | 16 | 15 | 15 | 20 | 24 | 22 | 18 | 17 | 16 | 16 | 15 | 20 | 22 | 19 | 18 | 17 | 16 | 16 | 16 | 19 |
| Feels °C (?) | 19 | 19 | 13 | 12 | 12 | 11 | 11 | 17 | 21 | 19 | 14 | 13 | 12 | 12 | 11 | 17 | 20 | 18 | 16 | 15 | 14 | 14 | 14 | 17 |
- 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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