Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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 9 am Friday 12 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 1.7°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 3PM is: 1.4m 14s primary swell from a West-northwest direction and 0.3m 12s secondary swell from a South direction (forecast issued at 09:00am December 12). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 5.5ft (1.7m) | 15s |
| Afternoon (12 Dec) | 4.5ft (1.4m) | 14s |
| Evening (12 Dec) | 4.5ft (1.3m) | 14s |
Table - waves today at Morro Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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) (?) | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 12 | 15 | 12 | 11 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1161 | 1010 | 996 | 822 | 754 | 624 | 615 | 491 | 476 | 395 | 283 | 274 | 222 | 199 | 156 | 156 | 109 | 111 | 81 | 77 | 74 | 63 | 65 | 64 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | cross | glass | off | off | glass | cross- off | off | glass | cross- on | glass | glass | glass | glass | glass | glass | glass | on | on | cross- on | cross | cross | cross |
High Tide / height (m) | 5:25AM 1.19 | 4:49PM 0.89 | 6:01AM 1.27 | 6:13PM 0.80 | 6:35AM 1.34 | 7:49PM 0.77 | ||||||||||||||||||
Low Tide / height (m) | 11:48AM 0.50 | 11:26PM 0.30 | 12:50PM 0.37 | 12:06AM 0.42 | 1:47PM 0.24 | 12:44AM 0.53 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:51 | - | - | - | - | - | - | - | 4:51 | - | - | - | - | - | - | - | 4:51 | - | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 19 | 21 | 19 | 17 | 17 | 16 | 16 | 15 | 19 | 19 | 18 | 15 | 16 | 16 | 15 | 15 | 19 | 20 | 19 | 17 | 16 | 16 | 16 |
| Feels °C (?) | 11 | 16 | 19 | 19 | 16 | 16 | 14 | 15 | 13 | 18 | 17 | 18 | 14 | 15 | 14 | 13 | 13 | 17 | 17 | 17 | 15 | 14 | 13 | 13 |
- 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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