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Moonstone Surf Forecast
/ CAL – San Luis Obispo (23 breaks) / California (404 breaks) /
Surf Forecasts:
Moonstone surfForecast / CAL – San Luis Obispo / USA
48hr Weather and Surf, issued 10 pm Saturday 21 Mar 2026 PDTForecast update in hr min s Forecast update imminent
Moonstone surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Moonstone sea temperature is
13.7° C
(Which is slightly warmer than usual)How big are the waves at Moonstone today?
The current surf forecast for Moonstone at 5AM is: 2.5m 10s primary swell from a Northwest direction and 1.8m 10s secondary swell from a West-northwest direction, 0.5m 14s secondary swell from a South-southwest direction (forecast issued at 10:00pm March 21). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Mar) | 8ft (2.4m) | 10s |
| Afternoon (22 Mar) | 5.5ft (1.7m) | 10s |
| Evening (22 Mar) | 6ft (1.8m) | 10s |
Table - waves today at Moonstone. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sat 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 9 | 8 | 8 | 8 | 19 | 18 | 18 | 18 | 18 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 626 | 429 | 543 | 1281 | 1229 | 1122 | 555 | 588 | 596 | 1065 | 372 | 766 | 302 | 255 | 616 | 307 | 294 | 582 | 170 | 157 | 154 | 154 | 252 | 249 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:23AM 2.14 | 1:58PM 1.48 | 1:06AM 2.12 | 3:26PM 1.38 | 1:59AM 2.07 | |||||||||||||||||||
Low Tide / height (m) | 6:04PM 0.89 | 7:31AM 0.33 | 6:39PM 1.04 | 8:38AM 0.34 | 7:21PM 1.18 | 9:55AM 0.35 | ||||||||||||||||||
Sat 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:01 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:19 |
 |  | | |  | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 18 | 17 | 17 | 16 | 21 | 20 | 20 | 18 | 18 | 18 | 18 | 18 | 23 | 26 | 24 | 21 | 20 | 19 | 18 | 18 | 23 | 24 | 24 |
| Feels °C (?) | 15 | 17 | 15 | 15 | 14 | 20 | 17 | 17 | 16 | 15 | 16 | 16 | 15 | 20 | 23 | 21 | 18 | 18 | 16 | 15 | 15 | 21 | 20 | 20 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Moonstone surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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