Avalanche Surf Break

Lat Long: 44.67° N 124.08° W

Avalanche 48 hour detailed Surf Forecast

Issued: 4 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Avalanche sea temperature is
14.7°C
0.2° 

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


How big are the waves at Avalanche today (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 5ft (1.5m), 8s period with NW swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 5ft (1.6m), 8s period with NW swell.
  • Evening surf: Evening surf (17 Sep, local time) - 5ft (1.5m), 8s period with NW swell.

The current surf forecast for Avalanche at 10AM is: 1.5m 8s primary swell from a Northwest direction and 0.4m 14s secondary swell from a Southwest direction (forecast issued at 04:00am September 17). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (17 Sep)5ft (1.5m)8s
Afternoon (17 Sep)5ft (1.6m)8s
Evening (17 Sep)5ft (1.5m)8s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Thu morning, min 11°C on Fri night). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
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
0
0
1
1
1
1
1
1
1
0
0
1
2
2
3
2
1
0
0
0
1
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)
1.5
NW
7
1.4
NW
8
1.5
NW
8
1.5
NW
8
1.6
NW
8
1.5
NW
8
1.5
NW
8
1.5
NW
8
1.4
NW
8
1.3
NW
8
1.3
NW
8
1.3
NW
8
1.3
NW
8
1.3
NW
8
1.3
NW
8
0.5
WSW
19
0.5
WSW
19
1.2
NW
9
1.1
NW
9
1.1
NW
9
1.1
NW
8
1.1
NW
8
0.6
WSW
18
0.6
WSW
18
Wave Graph
Metric surfscale
Energy kJ
237
221
257
277
322
306
306
299
264
239
239
208
208
211
211
214
214
230
202
168
149
147
209
209
Wind (km/h)
10
NE
5
ENE
5
ESE
15
SW
15
SW
10
SW
5
SSW
5
SSW
10
SW
10
SW
5
SSW
10
WSW
10
WNW
10
NW
10
N
5
NNE
5
NE
5
NNE
10
NE
15
NNW
20
NNW
20
NNW
15
N
15
N
Wind State
cross-off
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross
cross
High Tide
5:47AM1.66m
4:30PM2.15m
7:13AM1.59m
5:25PM2.04m
8:43AM1.61m
6:38PM1.97m
Low Tide
11:06PM0.23m
10:29AM1.16m
00:08AM0.32m
11:25AM1.28m
1:20AM0.36m
12:51PM1.33m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:58
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:21
7:20
 mm
Temp °C
16
15
15
16
16
15
14
14
14
14
15
15
16
15
13
12
12
11
11
16
16
15
13
12
Feels °C
15
14
15
13
14
14
14
14
13
13
15
14
14
13
12
11
11
10
9
14
13
12
11
10
  • 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 Avalanche 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.


Nearest locationNearest