The Rivermouth surfForecast / CAL – Santa Cruz / USA

information circle12 Day Weather and Surf, issued 9 am Wednesday 03 Dec 2025 PST
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
14.1° C
(Which is slightly warmer than usual)


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 Wednesday (Dec 03) at 4PM. The primary swell is predicted to be 1.6m and 14s period with a secondary swell of 0.2m and 11s. 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 1.7m 14s and forecast to arrive on Wednesday (Dec 10) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 12s period and expected on Tuesday (Dec 09) at 4PM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Wed 3rd Dec)5ft (1.6m) 14s
Best Surf 4PM (Wed 3rd Dec)5ft (1.6m) 14s
Most Powerful10AM (Wed 10th Dec)5.5ft (1.7m) 14s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 16°C on Thu morning, min 10°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Mon morning, min 13°C on Sat night). Wind will be generally light.

Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
3
2
2
1
1
1
1
1
1
2
2
2
1
1
1
1
1
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.8
WNW
1.6
WNW
1.2
W
1.1
WNW
0.9
WNW
0.8
WNW
0.6
W
0.7
WNW
1
WNW
0.8
WNW
1
W
1
W
1
WNW
0.9
WNW
0.8
WNW
0.7
WNW
0.7
WNW
0.7
WNW
1.1
WNW
1.3
WNW
1.3
WNW
Period(s) (?)15141313121212128111413121211111110131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1441110651343125619510314512515640535031325017312612190402414483
Wind
(km/h)
10
NNE
5
N
10
NE
5
ENE
10
WNW
5
NNE
5
ENE
10
WNW
5
N
0
W
5
NNW
5
N
5
N
5
NNW
5
N
5
NNE
5
N
5
N
10
NNE
10
NNW
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
glasscross-
off
glassglasscross-
off
glassglassglassoffglassoffoffcross-
off
offcross-
off
High Tide
/ height (m)
10:23PM
1.32
8:40AM
2.05
11:20PM
1.37
9:26AM
2.08
12:14AM
1.39
10:14AM
2.04
1:08AM
1.40
11:05AM
1.94
2:01AM
1.39
11:58AM
1.79
2:53AM
1.40
12:54PM
1.59
3:43AM
1.42
Low Tide
/ height (m)
3:00PM
-0.42
2:26AM
0.88
3:48PM
-0.52
3:16AM
0.96
4:36PM
-0.55
4:08AM
1.01
5:26PM
-0.50
5:05AM
1.03
6:17PM
-0.40
6:11AM
1.02
7:09PM
-0.26
7:29AM
0.99
8:02PM
-0.10
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Sunrise7:03--7:03--7:05--7:05--7:07--7:07--7:09--
Sunset-4:51--4:51--4:51--4:51--4:51--4:51--4:51-
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C141511161612161614171713181814191813191815
Feels °C (?)1113714139131311161713171813171711171612
  • 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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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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