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

Biak Islands Surf Forecast

Basic // Advanced
◀
6am Sat 18 May
1-2ft NE 10kt WNW
(Waist High)
0.7m @ 8.5s NE (47°)
0.7m @ 4.4s WNW (295°)
12pm Sat 18 May
1-2ft NE 10kt WNW
(Waist High)
0.7m @ 8.4s NE (46°)
0.7m @ 4.2s WNW (290°)
6pm Sat 18 May
1-2ft NE 11kt WNW
(Waist High)
0.7m @ 8.4s NE (46°)
0.9m @ 4.5s WNW (290°)
6am Sun 19 May
1-2ft NE 12kt NW
(Waist High)
0.7m @ 8.5s NE (46°)
1.0m @ 4.9s WNW (303°)
0.2m @ 8.1s NNW (337°)
12pm Sun 19 May
1-2ft NE 13kt NW
(Waist High)
0.7m @ 8.6s NE (47°)
1.2m @ 5.1s NW (309°)
0.2m @ 7.8s NNW (337°)
6pm Sun 19 May
1-2ft NE 13kt NW
(Waist High)
0.8m @ 8.7s NE (47°)
1.3m @ 5.3s NW (311°)
6am Mon 20 May
2ft NE 6kt NW
(Waist-Shoulder High)
0.9m @ 9.2s NE (48°)
0.8m @ 5.3s NNW (334°)
0.7m @ 5.6s W (278°)
12pm Mon 20 May
2ft NE 10kt NW
(Waist-Shoulder High)
0.9m @ 9.4s NE (46°)
0.9m @ 5.2s NW (307°)
0.2m @ 6.8s NNW (340°)
6pm Mon 20 May
2ft NE 11kt NW
(Waist-Shoulder High)
0.9m @ 9.6s NE (47°)
0.6m @ 4.4s NNW (329°)
0.2m @ 7s N (349°)

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
Sat 6am
Sat 12pm
Sat 6pm
Sun 6am
Sun 12pm
Sun 6pm
Mon 6am
Mon 12pm
Mon 6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
WNW 10kt
A
WNW 10kt
A
WNW 11kt
A
NW 12kt
A
NW 13kt
A
NW 13kt
A
NW 6kt
A
NW 10kt
A
NW 11kt
Tide Times & Weather
Possible thunderstorm 27°C // 29°C
Possible thunderstorm 27°C // 29°C
Possible thunderstorm 27°C // 29°C
▶

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Sat 18/05
12am
1-2ft
WNW 10kt
0.7 m
8.6s 48 (NE)
0.7 m
4.4s 298 (WNW)
6am
1-2ft
WNW 10kt
0.7 m
8.5s 47 (NE)
0.7 m
4.4s 295 (WNW)
12pm
1-2ft
WNW 10kt
0.7 m
8.4s 46 (NE)
0.7 m
4.2s 290 (WNW)
6pm
1-2ft
WNW 11kt
0.7 m
8.4s 46 (NE)
0.9 m
4.5s 290 (WNW)
+
Sat 18/05
1-2ft
WNW 10kt
0.7 m
8.4s 46 (NE)
0.7 m
4.2s 290 (WNW)
-
Sun 19/05
12am
1-2ft
WNW 11kt
0.7 m
8.4s 46 (NE)
1.0 m
4.8s 293 (WNW)
0.2 m
8.4s 336 (NNW)
6am
1-2ft
NW 12kt
0.7 m
8.5s 46 (NE)
1.0 m
4.9s 303 (WNW)
0.2 m
8.1s 337 (NNW)
12pm
1-2ft
NW 13kt
0.7 m
8.6s 47 (NE)
1.2 m
5.1s 309 (NW)
0.2 m
7.8s 337 (NNW)
6pm
1-2ft
NW 13kt
0.8 m
8.7s 47 (NE)
1.3 m
5.3s 311 (NW)
+
Sun 19/05
1-2ft
NW 13kt
0.7 m
8.6s 47 (NE)
1.2 m
5.1s 309 (NW)
0.2 m
7.8s 337 (NNW)
-
Mon 20/05
12am
1-2ft
NW 12kt
0.8 m
8.9s 47 (NE)
1.0 m
5.3s 332 (NNW)
0.8 m
5.7s 279 (W)
6am
2ft
NW 6kt
0.9 m
9.2s 48 (NE)
0.8 m
5.3s 334 (NNW)
0.7 m
5.6s 278 (W)
12pm
2ft
NW 10kt
0.9 m
9.4s 46 (NE)
0.9 m
5.2s 307 (NW)
0.2 m
6.8s 340 (NNW)
6pm
2ft
NW 11kt
0.9 m
9.6s 47 (NE)
0.6 m
4.4s 329 (NNW)
0.2 m
7s 349 (N)
+
Mon 20/05
2ft
NW 10kt
0.9 m
9.4s 46 (NE)
0.9 m
5.2s 307 (NW)
0.2 m
6.8s 340 (NNW)
  • bulletin_datetime_utc => 2024-05-18 00:00:00
  • location_identifier => 352
  • timezone => Asia/Jakarta