The Rivermouth Surf Break

Lat Long: 36.96° N 122.02° W

The Rivermouth 48 hour detailed Surf Forecast

Issued: 10 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Rivermouth sea temperature is
16.8°C
1.9° 

The Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at The Rivermouth today (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 2ft (0.6m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 2ft (0.6m), 13s period with SSW swell.
  • Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.5m), 13s period with SW swell.

The current surf forecast for The Rivermouth at 6PM is: 0.6m 13s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a West-southwest direction (forecast issued at 10:00am September 13). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (13 Sep)2ft (0.6m)14s
Afternoon (13 Sep)2ft (0.6m)13s
Evening (13 Sep)1.5ft (0.5m)13s

Table - waves today at The Rivermouth. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 25°C on Mon afternoon, min 13°C on Sun night). Wind will be generally light.

Sunday
13
Monday
14
Tuesday
15
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
Rating
(10 max)
1
1
0
0
0
1
1
2
2
2
1
2
2
2
2
2
2
1
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
14
0.6
SSW
13
0.6
SSW
13
0.6
SW
13
0.5
SW
13
1.4
WNW
7
1.4
WNW
8
1.3
WNW
8
1.4
WNW
9
1.4
WNW
9
1.4
WNW
9
1.6
WNW
9
1.6
WNW
9
1.7
WNW
9
1.7
WNW
9
1.6
WNW
9
1.5
WNW
9
1.4
WNW
9
1.3
WNW
8
1.2
WNW
8
1.1
WNW
8
1.1
WNW
8
Wave Graph
Metric surfscale
Energy kJ
121
120
120
142
85
175
219
232
297
304
311
372
372
449
449
372
344
297
234
197
157
157
Wind (km/h)
5
NNW
10
NW
25
WNW
25
NW
20
NW
10
NNW
0
N
5
NE
5
NE
5
WSW
10
W
15
NW
5
NNW
5
NNW
5
N
0
NNW
0
ENE
5
SW
10
SW
10
WSW
5
WSW
5
SSW
Wind State
off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
cross
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
glassy
glassy
High Tide
12:30PM1.57m
1:16AM1.26m
12:56PM1.57m
2:16AM1.15m
1:24PM1.56m
Low Tide
6:01AM0.34m
6:44PM0.15m
6:33AM0.55m
7:29PM0.16m
7:04AM0.75m
8:19PM0.21m
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:19
7:16
7:15
 mm
Temp °C
14
19
22
21
16
15
14
13
15
21
24
25
19
15
14
14
14
17
20
20
16
14
Feels °C
13
17
17
16
13
14
14
13
14
20
22
22
18
15
14
14
15
16
19
19
16
15
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

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