Check the 16-day forecast with Swellnet Pro for $8.95/month

Selfoss Surf Forecast

6am Sun 21 Sep
0.5ft NW 14kt WNW
(Ankle High)
0.7m @ 4.3s NW (310°)
0.2m @ 16s S (187°)
0.2m @ 8.2s SW (217°)
12pm Sun 21 Sep
1ft W 16kt WSW
(Knee High)
0.9m @ 3.9s W (263°)
0.2m @ 10.4s WSW (254°)
0.2m @ 7.8s SSW (210°)
6pm Sun 21 Sep
2ft WSW 18kt WSW
(Waist-Shoulder High)
1.6m @ 5s WSW (246°)
0.3m @ 10.1s WSW (252°)
6am Mon 22 Sep
3ft WSW 9kt SW
(Head High)
1.7m @ 6.9s WSW (237°)
0.2m @ 14.7s S (188°)
12pm Mon 22 Sep
3-4ft SW 12kt SSE
(Overhead)
2.0m @ 8.3s SW (230°)
0.2m @ 15.1s S (187°)
6pm Mon 22 Sep
5-6ft SW 19kt SE
(2x Overhead)
2.6m @ 11.3s SW (222°)
0.2m @ 16.1s S (188°)
6am Tue 23 Sep
6ft+ SSW 25kt SE
(2x Overhead)
3.5m @ 10.6s SSW (199°)
0.3m @ 16.2s S (186°)
12pm Tue 23 Sep
6-8ft S 26kt SE
(2-3x Overhead)
3.9m @ 10.3s S (188°)
0.5m @ 15.5s S (187°)
6pm Tue 23 Sep
8ft SSW 10kt SSW
(3x Overhead)
3.9m @ 10.1s SSW (198°)
0.6m @ 14.7s S (185°)

This is premium content for Swellnet Pro subscribers WHY?

Become a subscriber and receive access to ad-free 16 day surf forecasts and charts, detailed surf forecaster notes, dawn surf reports and premium, ad-free surfcams and replays.

Get Swellnet Pro
Sun 6am
Sun 12pm
Sun 6pm
Mon 6am
Mon 12pm
Mon 6pm
Tue 6am
Tue 12pm
Tue 6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
WNW 14kt
A
WSW 16kt
A
WSW 18kt
A
SW 9kt
A
SSE 12kt
A
SE 19kt
A
SE 25kt
A
SE 26kt
A
SSW 10kt
Tide Times & Weather
Rain 5°C // 9°C
Cloudy 8°C // 11°C
Windy with rain 10°C // 11°C

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Sun 21/09
12am
0.5ft
NW 14kt
0.2 m
15.8s 187 (S)
0.8 m
4.4s 328 (NNW)
0.2 m
8.5s 217 (SW)
6am
0.5ft
WNW 14kt
0.7 m
4.3s 310 (NW)
0.2 m
16s 187 (S)
0.2 m
8.2s 217 (SW)
12pm
1ft
WSW 16kt
0.9 m
3.9s 263 (W)
0.2 m
10.4s 254 (WSW)
0.2 m
7.8s 210 (SSW)
6pm
2ft
WSW 18kt
1.6 m
5s 246 (WSW)
0.3 m
10.1s 252 (WSW)
+
Sun 21/09
1ft
WSW 16kt
0.9 m
3.9s 263 (W)
0.2 m
10.4s 254 (WSW)
0.2 m
7.8s 210 (SSW)
-
Mon 22/09
12am
2-3ft
WSW 13kt
1.6 m
6s 241 (WSW)
0.4 m
9.6s 251 (WSW)
0.2 m
14.8s 187 (S)
6am
3ft
SW 9kt
1.7 m
6.9s 237 (WSW)
0.2 m
14.7s 188 (S)
12pm
3-4ft
SSE 12kt
2.0 m
8.3s 230 (SW)
0.2 m
15.1s 187 (S)
6pm
5-6ft
SE 19kt
2.6 m
11.3s 222 (SW)
0.2 m
16.1s 188 (S)
+
Mon 22/09
3-4ft
SSE 12kt
2.0 m
8.3s 230 (SW)
0.2 m
15.1s 187 (S)
-
Tue 23/09
12am
6ft
SE 21kt
3.1 m
10.9s 210 (SSW)
0.3 m
16.1s 189 (S)
6am
6ft+
SE 25kt
3.5 m
10.6s 199 (SSW)
0.3 m
16.2s 186 (S)
12pm
6-8ft
SE 26kt
3.9 m
10.3s 188 (S)
0.5 m
15.5s 187 (S)
6pm
8ft
SSW 10kt
3.9 m
10.1s 198 (SSW)
0.6 m
14.7s 185 (S)
+
Tue 23/09
6-8ft
SE 26kt
3.9 m
10.3s 188 (S)
0.5 m
15.5s 187 (S)
  • bulletin_datetime_utc => 2025-09-20 06:00:00
  • location_identifier => 610
  • timezone => Atlantic/Reykjavik