Premium ad-free surfcams, dawn surf reports, forecaster notes, long range surf forecasts... Get Swellnet PRO for $7.33 per month Premium ad-free surfcams, dawn surf reports, and more... Get Swellnet PRO for $7.33 per month

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

Praia Grande Surf Forecast

Basic // Advanced
◀
6am Thu 18 Sep
2ft NW 11kt NNE
(Waist-Shoulder High)
1.2m @ 9.3s NW (313°)
0.6m @ 12.2s NW (309°)
0.8m @ 5.5s N (2°)
12pm Thu 18 Sep
3ft NW 6kt NNE
(Head High)
1.3m @ 11.6s NW (304°)
0.7m @ 5.3s N (359°)
6pm Thu 18 Sep
3-4ft WNW 8kt NNE
(Overhead)
1.4m @ 11s WNW (300°)
0.5m @ 5.1s N (358°)
6am Fri 19 Sep
3ft WNW 4kt ESE
(Head High)
1.3m @ 10s WNW (295°)
0.3m @ 4.3s N (360°)
12pm Fri 19 Sep
2ft WNW 6kt S
(Waist-Shoulder High)
1.2m @ 9.8s WNW (294°)
0.2m @ 4.1s N (360°)
6pm Fri 19 Sep
2ft WNW 7kt SW
(Waist-Shoulder High)
1.1m @ 9.4s WNW (293°)
6am Sat 20 Sep
2ft WNW 4kt NW
(Waist-Shoulder High)
1.0m @ 8.9s WNW (292°)
0.5m @ 13.3s NNW (347°)
12pm Sat 20 Sep
1-2ft WNW 7kt NW
(Waist High)
0.9m @ 8.5s WNW (287°)
0.7m @ 13s NNW (348°)
0.3m @ 8.5s NNW (328°)
6pm Sat 20 Sep
1-2ft WNW 15kt N
(Waist High)
0.9m @ 8.2s WNW (287°)
0.7m @ 12.5s N (350°)
0.5m @ 3.3s NW (322°)

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
Thu 6am
Thu 12pm
Thu 6pm
Fri 6am
Fri 12pm
Fri 6pm
Sat 6am
Sat 12pm
Sat 6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
NNE 11kt
A
NNE 6kt
A
NNE 8kt
A
ESE 4kt
A
S 6kt
A
SW 7kt
A
NW 4kt
A
NW 7kt
A
N 15kt
Tide Times & Weather
Mostly cloudy 18°C // 29°C
Mostly cloudy 19°C // 27°C
Mostly cloudy 18°C // 25°C
▶

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Thu 18/09
12am
3ft
NNE 14kt
1.7 m
9.7s 327 (NNW)
6am
2ft
NNE 11kt
1.2 m
9.3s 313 (NW)
0.6 m
12.2s 309 (NW)
0.8 m
5.5s 2 (N)
12pm
3ft
NNE 6kt
1.3 m
11.6s 304 (NW)
0.7 m
5.3s 359 (N)
6pm
3-4ft
NNE 8kt
1.4 m
11s 300 (WNW)
0.5 m
5.1s 358 (N)
+
Thu 18/09
3ft
NNE 6kt
1.3 m
11.6s 304 (NW)
0.7 m
5.3s 359 (N)
-
Fri 19/09
12am
3ft
NE 7kt
1.4 m
10.5s 297 (WNW)
0.4 m
4.6s 360 (N)
6am
3ft
ESE 4kt
1.3 m
10s 295 (WNW)
0.3 m
4.3s 360 (N)
12pm
2ft
S 6kt
1.2 m
9.8s 294 (WNW)
0.2 m
4.1s 360 (N)
6pm
2ft
SW 7kt
1.1 m
9.4s 293 (WNW)
+
Fri 19/09
2ft
S 6kt
1.2 m
9.8s 294 (WNW)
0.2 m
4.1s 360 (N)
-
Sat 20/09
12am
2ft
WSW 5kt
1.1 m
9.2s 292 (WNW)
0.3 m
13.6s 346 (NNW)
6am
2ft
NW 4kt
1.0 m
8.9s 292 (WNW)
0.5 m
13.3s 347 (NNW)
12pm
1-2ft
NW 7kt
0.9 m
8.5s 287 (WNW)
0.7 m
13s 348 (NNW)
0.3 m
8.5s 328 (NNW)
6pm
1-2ft
N 15kt
0.9 m
8.2s 287 (WNW)
0.7 m
12.5s 350 (N)
0.5 m
3.3s 322 (NW)
+
Sat 20/09
1-2ft
NW 7kt
0.9 m
8.5s 287 (WNW)
0.7 m
13s 348 (NNW)
0.3 m
8.5s 328 (NNW)
  • bulletin_datetime_utc => 2025-09-17 18:00:00
  • location_identifier => 444
  • timezone => Europe/Lisbon