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Moonstone Beach Surf Forecast
/ CAL – Humboldt (25 breaks) / California (404 breaks) /
Surf Forecasts:
Moonstone Beach surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 4 am Wednesday 22 Apr 2026 PDTForecast update in hr min s Forecast update imminent
Moonstone Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Moonstone Beach sea temperature is
11.5° C
(Which is normal for this time of year)How big are the waves at Moonstone Beach today?
The current surf forecast for Moonstone Beach at 9AM is: 0.9m 14s primary swell from a West-northwest direction and 1.1m 9s secondary swell from a West direction (forecast issued at 04:00am April 22). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | 3ft (0.9m) | 14s |
| Afternoon (22 Apr) | 3.5ft (1.0m) | 14s |
| Evening (22 Apr) | 4ft (1.2m) | 14s |
Table - waves today at Moonstone Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 13°C on Wed morning, min 7°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
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 | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | NW 10 | NNW 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | |
234 | 309 | 376 | 366 | 401 | 421 | 534 | 534 | 876 | 961 | 946 | 491 | 484 | 480 | 532 | 576 | 500 | 432 | 424 | 424 | 415 | 441 | 432 | 373 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross | cross-off | glassy | cross-off | on | cross-on | cross-on | glassy | glassy | |
High Tide | 3:12AM2.10m | 5:37PM1.52m | 4:17AM1.93m | 6:49PM1.53m | 5:34AM1.77m | 7:52PM1.59m | ||||||||||||||||||
Low Tide | 10:36AM-0.30m | 10:23PM0.97m | 11:42AM-0.19m | 11:50PM0.95m | 12:49PM-0.09m | |||||||||||||||||||
 |  |  | | |  | |  | | | | | | | | | | | | | | | | | |
 | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:05 | — |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 8 | 8 | 9 | 13 | 13 | 13 | 10 | 9 | 8 | 7 | 8 | 11 | 12 | 11 | 9 | 7 | 7 | 8 | 9 | 12 | 13 | 12 | 10 | 9 |
5 | 5 | 6 | 10 | 10 | 10 | 7 | 7 | 6 | 5 | 6 | 7 | 7 | 6 | 6 | 4 | 4 | 7 | 7 | 10 | 11 | 10 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 8 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | NNW 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 |
 kJ | 207 | 203 | 199 | 151 | 173 | 421 | 534 | 534 | 876 | 961 | 946 | 491 | 484 | 426 | 532 | 576 | 500 | 432 | 424 | 424 | 415 | 441 | 432 | 373 |
Swell 2 Height (m) Direction Period (s) | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 9 | NW 9 | NW 9 | WSW 7 | SW 6 | WSW 6 | NW 10 | SSW 11 | SW 16 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 234 | 309 | 376 | 366 | 401 | 138 | 159 | 172 | 30 | 21 | 16 | 268 | 13 | 41 | 339 | 278 | 278 | 206 | 203 | 158 | 148 | 111 | 97 | 95 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | WSW 8 | WSW 7 | WSW 7 | NW 8 | SSW 18 | SSW 18 | SW 11 | SSW 16 | SW 11 | SW 16 | SW 16 | SW 16 | SW 16 | W 16 | WNW 16 | WNW 16 | W 16 | WNW 16 | WNW 15 |
| kJ | 23 | 23 | 37 | 37 | 14 | 50 | 47 | 41 | 31 | 61 | 30 | 20 | 26 | 20 | 66 | 66 | 65 | 64 | 45 | 86 | 86 | 126 | 81 | 77 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 10 | NW 10 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 373 | 480 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 52 | 299 | 83 | 79 | 0 | 0 | 0 | 0 | 258 | 369 | 489 | 113 | 42 | 0 | 0 | 0 | 145 | 83 | 83 | 0 | 0 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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