Surf Break

Lat Long: 42.07° N 124.32° W

Rainbow Rocks 48 hour detailed Surf Forecast

Issued: 4 am 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Rainbow Rocks sea temperature is
11.0°C
1.8° 

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


How big are the waves at Rainbow Rocks today (20 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 8ft (2.5m), 12s period with WNW swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 6ft (1.9m), 11s period with WNW swell.
  • Evening surf: Evening surf (20 Oct, local time) - 5ft (1.5m), 10s period with WNW swell.

The current surf forecast for Rainbow Rocks at 8AM is: 2.5m 12s primary swell from a West-northwest direction and 0.9m 15s secondary swell from a South-southwest direction (forecast issued at 04:00am October 20). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (PDT) & DateWave HeightWave Period
Morning (20 Oct)8ft (2.5m)12s
Afternoon (20 Oct)6ft (1.9m)11s
Evening (20 Oct)5ft (1.5m)10s

Table - waves today at Rainbow Rocks. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 17°C on Wed morning, min 9°C on Thu night). Wind will be generally light.

Tuesday
20
Wednesday
21
Thursday
22
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)
5
4
4
3
3
4
4
3
3
3
3
2
2
3
3
3
2
2
2
2
3
2
2
3
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)
3
WNW
12
3
WNW
12
2.5
WNW
12
2.4
WNW
11
1.9
WNW
11
1.8
WNW
11
1.6
WNW
10
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.6
SSW
16
0.6
SSW
14
0.9
NW
13
1.2
WNW
11
2.1
NW
11
2.4
NW
6
1.2
WNW
12
2.1
NW
12
Wave Graph
Metric surfscale
Energy kJ
2664
2315
1903
1436
807
705
510
353
353
305
301
280
280
376
381
413
206
147
230
347
1035
437
371
1213
Wind (km/h)
5
NE
5
SE
5
SE
5
SSW
5
W
5
NNW
5
NNW
5
NE
0
E
0
NNE
5
NE
10
W
10
WNW
5
S
5
ENE
5
N
5
N
5
NE
5
E
5
WNW
15
NW
15
NNW
20
N
20
N
Wind State
glassy
cross-off
cross-off
cross-on
cross-on
glassy
cross-off
glassy
glassy
glassy
off
cross-on
cross-on
glassy
glassy
glassy
cross-off
glassy
cross-off
cross
cross
cross-off
cross-off
cross-off
High Tide
8:53AM1.63m
7:51PM1.61m
9:23AM1.74m
8:55PM1.65m
9:50AM1.88m
9:51PM1.71m
Low Tide
1:53AM0.29m
2:28PM0.98m
2:40AM0.29m
3:19PM0.77m
3:21AM0.31m
4:02PM0.53m
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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7:35
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7:35
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7:37
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:28
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6:25
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6:24
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 mm
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Temp °C
12
12
12
14
14
14
13
13
14
14
13
17
16
13
12
12
12
11
10
12
13
14
12
11
Feels °C
10
10
10
12
12
13
11
12
13
13
11
15
14
12
11
11
10
9
8
10
11
11
8
6
  • 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

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rainbow Rocks 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.


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