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 pm Sunday 14 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
15.5° 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 2AM is: 0.4m 14s primary swell from a Southwest direction and 0.5m 11s secondary swell from a West direction, 0.5m 4s secondary swell from a Northwest direction (forecast issued at 09:00pm December 14). The wind direction is predicted to be cross-shore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 1.5ft (0.4m) | 13s |
| Afternoon (15 Dec) | 1.5ft (0.5m) | 9s |
| Evening (15 Dec) | 1.5ft (0.4m) | 16s |
Table - waves today at Morro Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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 | 1 PM | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 9 | 5 | 16 | 16 | 16 | 8 | 10 | 10 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 66 | 63 | 65 | 64 | 63 | 63 | 48 | 44 | 51 | 66 | 66 | 66 | 81 | 94 | 314 | 949 | 1354 | 1139 | 1086 | 890 | 876 | 841 | 841 | 1066 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross- off | cross | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross | cross- off | cross | cross | cross | cross | cross- on | cross- on |
High Tide / height (m) | 7:49PM 0.77 | 7:09AM 1.39 | 9:08PM 0.77 | 7:43AM 1.43 | 10:04PM 0.78 | 8:17AM 1.47 | ||||||||||||||||||
Low Tide / height (m) | 12:44AM 0.53 | 2:36PM 0.12 | 1:21AM 0.62 | 3:19PM 0.02 | 1:56AM 0.69 | 3:58PM -0.04 | ||||||||||||||||||
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 |
 | | | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 14 | 13 | 14 | 18 | 22 | 21 | 17 | 16 | 15 | 15 | 14 | 18 | 21 | 20 | 18 | 17 | 16 | 16 | 15 | 19 | 21 | 22 |
| Feels °C (?) | 11 | 12 | 12 | 10 | 11 | 15 | 18 | 18 | 13 | 12 | 11 | 11 | 10 | 14 | 18 | 18 | 16 | 14 | 13 | 14 | 13 | 18 | 19 | 21 |
- 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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