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The Rivermouth Surf Forecast
/ CAL – Santa Cruz (30 breaks) / California (404 breaks) /
Surf Forecasts:
The Rivermouth surfForecast / CAL – Santa Cruz / USA
48hr Weather and Surf, issued 10 am Tuesday 21 Apr 2026 PDTForecast update in hr min s Forecast update imminent
The Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Rivermouth sea temperature is
14.0° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at The Rivermouth today?
The current surf forecast for The Rivermouth at 1PM is: 1.3m 12s primary swell from a West-northwest direction and 0.8m 6s secondary swell from a South-southwest direction (forecast issued at 10:00am April 21). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 4.5ft (1.4m) | 12s |
| Afternoon (21 Apr) | 4ft (1.2m) | 11s |
| Evening (21 Apr) | 4.5ft (1.4m) | 11s |
Table - waves today at The Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 7 | 7 | 9 | 9 | 9 | 8 | 14 | 14 | 14 | 16 | 13 | 16 | 16 | 15 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 522 | 486 | 462 | 370 | 465 | 442 | 308 | 333 | 332 | 118 | 140 | 313 | 274 | 225 | 173 | 204 | 210 | 207 | 251 | 595 | 186 | 183 | 165 | 131 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross | glass | on | cross- on | on | cross- on | cross- on | cross- off | off | off | off | glass | cross- on | cross | cross- off | cross- off | cross- off | off | cross- off |
High Tide / height (m) | 4:06PM 1.18 | 1:59AM 1.67 | 5:27PM 1.20 | 3:05AM 1.55 | 6:33PM 1.25 | 4:22AM 1.42 | ||||||||||||||||||
Low Tide / height (m) | 8:13AM -0.33 | 7:48PM 0.98 | 9:20AM -0.24 | 9:27PM 1.00 | 10:32AM -0.16 | 11:11PM 0.91 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| Sunrise | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:46 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:49 | - | - | - | - |
 |  | | |  |  | | |  | |  |  | | | | | | | | | | |  | | |
Rain (mm) | 2 | 2 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 14 | 14 | 12 | 12 | 12 | 12 | 11 | 12 | 14 | 15 | 14 | 12 | 11 | 11 | 11 | 15 | 17 | 19 | 15 | 11 | 11 | 10 |
| Feels °C (?) | 10 | 11 | 10 | 10 | 9 | 10 | 10 | 10 | 9 | 10 | 12 | 13 | 12 | 10 | 9 | 10 | 10 | 13 | 14 | 16 | 12 | 8 | 9 | 8 |
- Map Icons:
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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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