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Global-Atlantic Surf Map – Wind and Wave forecasts

Back to Castle Island surf forecast

Global-Atlantic wave (swell) map for surfers, windsurfers and sailors showing open ocean wave size, wave period and wave energy. You can customize the wave and wind maps with overlays for wind arrows, pressure and general weather for surfing. There are also options to display live wind observations from ships, wave buoys and weather stations on the wave maps in the Global-Atlantic region.
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Global-Atlantic Wavefinder

 Sunday 12Monday 13TueWedThursday 16Friday 17Saturday 18Sun
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Best forecast wave conditions in Global-Atlantic
Rating
6

8

7

5

5

5

5

6

9

7

7

8

6

6

5

5

6

4

5

9

6

8

Wave Height (m) & direction (?)
5.0

NW
4.0

SW
4.0

SW
1.7

SSW
2.4

SW
3.0

NNW
2.5

SSW
4.0

WSW
3.5

SW
4.0

WSW
3.0

WNW
3.5

WSW
3.5

WNW
1.4

SSW
3.0

SW
3.0

SW
2.5

SW
1.7

SSW
2.5

SW
3.5

WSW
4.5

SW
2.5

SW
Period(s) (?)1516161417916151317161515181415141416141512
Energy(?)10818832079702064353829563139728357787975475262605734201833964820369112312961453293832001
Wind
(km/h)
20
30
20
5
10
25
5
25
15
15
5
35
15
10
15
0
10
10
10
10
10
45
Wind State(?)cross-
on
cross-
off
offcross-
on
cross-
off
cross-
off
crosscross-
on
cross-
on
crossglassoffoffcrosscross-
on
glasscrosscross-
off
cross-
off
oncross-
off
off
High Tide
/ height (m)

2:14AM
2.94



12:56AM
2.48


8:57PM
1.27


9:36PM
1.29





9:07PM
1.03


8:37PM
0.74
10:19AM
1.35
Low Tide
/ height (m)
7:54PM
1.21

8:30AM
0.94




2:46PM
0.28
3:21AM
0.09

3:29PM
0.17
3:50AM
0.05




2:07PM
0.09
3:07AM
0.15


2:30AM
-0.00

rain showerspart cloudclearclearpart cloudclearclearlight rainpart cloudclearpart cloudclearclearclearmod rainpart cloudpart cloudpart cloudclearrain showerspart cloudlight rain
Summary
rain shwrssome cloudsclearclearsome cloudsclearclearlight rainsome cloudsclearsome cloudsclearclearclearmod. rainsome cloudssome cloudssome cloudsclearrain shwrssome cloudslight rain
Rain (mm)
2------5------9----3-1
High °C
12141219191924131818141117231515192119161517
Low °C
11131017181723131718121014231515182117131416
Chill °C (?)
101291919182411181814816231415192119141415
Sunrise
---6:54--5:54-7:09---7:00--7:22--7:09---
Sunset
9:126:30--6:30--6:28-6:22---6:59--6:22--6:21-6:02
Swell1 (m) & direction
5.0

NW
4.0

SW
4.0

SW
1.7

SSW
2.4

SW
1.7

NW
2.5

SSW
4.0

WSW
3.5

SW
4.0

WSW
3.0

WNW
1.5

WSW
3.5

WNW
1.5

SSW
3.0

SW
3.0

SW
2.5

SW
1.7

SSW
2.5

SW
3.5

WSW
4.5

SW
0.5

S
Period (s)15161614171416151317161615121415141416141518
Swell2 (m) & direction
-

-

-
1.2

SW

-
0.9

NW

-
0.1

NW
1.4

SW

-
0.3

NNW

-
0.2

N
1.4

SSW
0.1

NW
1.3

WSW
1.0

SW
0.1

W
0.1

NW
0.1

NW
0.3

WNW
0.3

E
Period (s)---18-14-1218-11-918111920141316149
Wind waves (m) & direction
-

-

-

-

-
3.0

NNW

-
0.8

NNE

-

-

-
3.5

WSW

-

-

-

-

-

-

-

-

-
2.5

SW
Period (s)-----9-4---15---------12


List of all animated swell maps

Important: JavaScript support must be turned on in order to use these animated swell maps. Alternatively, visit our basic swell maps of Global-Atlantic where each view becomes a separate image.

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