The Rivermouth Surf Break

Lat Long: 36.96° N 122.02° W

The Rivermouth 48 hour detailed Surf Forecast

Issued: 4 am 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's The Rivermouth sea temperature is
15.0° C
1.1° 

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 (21 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 2.5ft (0.8m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 3ft (0.9m), 14s period with SSW swell.
  • Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.4m), 12s period with SSW swell.

The current surf forecast for The Rivermouth at 10AM is: 1.1m 14s primary swell from a South-southwest direction (forecast issued at 04:00am July 21). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (21 Jul)2.5ft (0.8m)15s
Afternoon (21 Jul)3ft (0.9m)14s
Evening (21 Jul)4.5ft (1.4m)12s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue morning. Warm (max 24°C on Thu afternoon, min 14°C on Wed night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
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
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
0
0
1
2
2
1
1
0
0
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
16
1.1
SSW
14
0.8
SSW
15
1.1
SSW
14
0.9
SSW
14
0.9
SSW
14
1.4
SSW
12
1.3
SSW
11
1.3
SSW
11
1.3
SSW
10
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.4
SSW
26
0.4
SSW
26
Wave Graph
Metric surfscale
Energy kJ
314
471
270
465
303
316
549
408
372
325
339
339
325
303
312
316
321
293
233
229
223
217
263
263
Wind (km/h)
0
ESE
5
ESE
5
SE
10
SSW
10
SSW
10
SW
10
WSW
10
WSW
10
SW
10
SW
10
SSW
5
S
10
SW
15
WSW
10
W
5
NNW
5
N
5
NNW
5
NNW
5
W
10
WNW
10
NW
10
NNW
5
NNW
Wind State
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
off
glassy
glassy
glassy
cross
cross
cross-off
off
off
High Tide
5:12AM0.93m
4:56PM1.57m
7:41AM0.94m
5:38PM1.58m
9:21AM1.06m
6:24PM1.60m
Low Tide
11:12PM0.39m
10:07AM0.63m
00:22AM0.28m
11:10AM0.83m
1:23AM0.18m
12:22PM0.96m
part cloud
clear
rain showers
rain showers
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
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>
6:03
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:23
8:22
8:22
 mm
1
1
Temp °C
18
19
19
22
23
23
20
18
17
16
16
17
19
20
19
16
14
14
15
21
24
24
20
16
Feels °C
19
19
19
22
22
22
21
19
18
16
16
17
19
19
19
16
14
14
15
21
23
22
19
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 

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