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Surf Forecasts:

The Rivermouth surfForecast / CAL – Santa Cruz / USA

information circle12 Day Weather and Surf, issued 10 pm Friday 12 Sep 2025 PDT
Forecast 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
17.2° C
 (Which is 2.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for The Rivermouth this week:

The surf forecast for The Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 13) at 5AM. The primary swell is predicted to be 0.9m and 13s period with a secondary swell of 0.8m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at The Rivermouth in the next 12 days are 1.2m 13s and forecast to arrive on Saturday (Sep 13) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Saturday (Sep 13) at 5AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sat 13th Sep)3ft (0.9m) 13s
Best Surf 5AM (Sat 13th Sep)3ft (0.9m) 13s
Most Powerful 2PM (Sat 13th Sep)4ft (1.2m) 13s

Table - best surf conditions forecast for The Rivermouth over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 25°C on Sun afternoon, min 15°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Tue afternoon, min 18°C on Wed night). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
1
1
2
0
0
2
2
0
2
1
1
1
1
2
2
1
1
2
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
WNW
1.1
WNW
0.9
WNW
0.9
WNW
0.7
SSW
0.7
SSW
1.1
WNW
1.2
WNW
1.1
WNW
0.6
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.7
S
0.7
S
1.2
WNW
1.5
WNW
1.1
WNW
1
WNW
0.9
WNW
Period(s) (?)141413121414118819181816161615910101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)217447265241184183281207173286326322276269239224217427265225192
Wind
(km/h)
5
NW
5
WSW
10
WNW
5
NNW
5
WSW
20
NW
0
N
5
SW
10
WSW
5
N
5
SW
10
WSW
5
NNW
5
WSW
5
WSW
5
WNW
5
SW
10
SW
0
SSE
5
SSW
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		crossglasscross-
on		cross-
off		glassglasscross-
on		glasscross-
on		cross-
on		glassglassglassglassglasscross-
on		glassoncross-
on
High Tide
/ height (m)
4:33AM
1.12
2:59PM
1.76
6:40AM
1.16
4:05PM
1.72
8:01AM
1.26
5:21PM
1.69
8:49AM
1.35
6:39PM
1.66
9:26AM
1.41
7:48PM
1.65
9:59AM
1.44
8:48PM
1.62
10:29AM
1.46
Low Tide
/ height (m)
9:07PM
0.02
8:16AM
0.95
10:26PM
0.03
9:48AM
1.08
11:48PM
0.01
11:43AM
1.09
1:02AM
-0.03
1:06PM
0.99
2:01AM
-0.07
2:07PM
0.84
2:50AM
-0.08
2:58PM
0.67
3:30AM
-0.06
3:43PM
0.52
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
Sunrise-6:48--6:48--6:48--6:50--6:50--6:52--6:52-
Sunset--7:19--7:16--7:15--7:14--7:13--7:10--7:09
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C161923192025202225192425192325192123172022
Feels °C (?)171922182023182124192324192324192123182021
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for CAL - Santa Cruz

  1. weather stationWind Update Continuing clean conditions at The Rivermouth (calm at Santa Cruz wx 2 km from The Rivermouth). A 0.6m groundswell from the SSW

    2 hours 22 minutes ago The Rivermouth
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2 h 22 min ago

0 km/h
N
Clean
Please reload the page to see if there are any updates.

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 The Rivermouth 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.

View detailed surf forecast for The Rivermouth at:
surf-forecast.com

Information about the The Rivermouth Surf forecast

The above surf forecast table for The Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at The Rivermouth can be found by selecting the local surf guide option on the grey menu. Our The Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (The Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for The Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

The Rivermouth is 2 km (1 miles) from Santa Cruz. If you plan a vacation in Santa Cruz, look for hotels and other accommodation in Santa Cruz. Santa Cruz has rooms for a wide range of budgets as well as car hire and transport links.

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