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Coast Guard Beach
7-Day Surf Forecast

*Peak Swell Height this Week:


Saturday

1+ft

Sunday

2-3ft

Monday

4-7ft

Tuesday

13-16ft

Wednesday

3+ft

Thursday

1+ft

Friday

1+ft
Offshore Forecast:Cape Cod (20200918 18 UTC)
Saturday
1+ft
Decreasing Clouds and Breezy
48
Sat, September 19 -
Summary:

Small Steep angle South-East short-period swell picking up with background Northeast windswell on the rise .

*biggest in the afternoon: 3 foot-(short-period swell)

Swell/Tide/Wind Details
Weather: Low: 51 --

Mostly cloudy, then gradually becoming clear, with a low around 51. Breezy, with a north wind around 21 mph, with gusts as high as 32 mph.

22
22mph from the N
12AM
22
22mph from the NNE
03AM
21
21mph from the NNE
06AM
20
20mph from the NNE
09AM
18
18mph from the N
12PM
16
16mph from the N
03PM
14
14mph from the NNE
06PM
13
13mph from the NNE
09PM
Tides: 07:00 pm (0ft)
top
Sunday
2-3ft
Mostly Clear
60
Sun, September 20 -
Summary:

Small Steep angle South-East long-period swell holding and Northeast windswell building .

Swell/Tide/Wind Details
Weather: Low: 45 High: 60

Sunny, with a high near 60. Breezy, with a north wind 14 to 20 mph.

15
15mph from the NNE<br><b>(side-onshore)</b>
12AM
16
16mph from the NNE<br><b>(side-onshore)</b>
03AM
17
17mph from the NNE<br><b>(side-onshore)</b>
06AM
18
18mph from the NNE<br><b>(side-onshore)</b>
09AM
20
20mph from the NNE<br><b>(side-onshore)</b>
12PM
20
20mph from the NNE<br><b>(side-onshore)</b>
03PM
17
17mph from the NNE<br><b>(side-onshore)</b>
06PM
15
15mph from the NE<br><b>(onshore)</b>
09PM
Tides: 07:00 pm (0ft)
top
Monday
4-7ft
Mostly Clear
58
Mon, September 21 -
Summary:

Steep angle East-Northeast med-period swell building and a secondary South-East long-period swell on the way out .

*biggest in the afternoon: 9 foot-(med-period swell)

Swell/Tide/Wind Details
Weather: Low: 48 High: 58

Mostly sunny, with a high near 58. Breezy, with a northeast wind 16 to 20 mph.

16
16mph from the NE<br><b>(onshore)</b>
12AM
17
17mph from the NE<br><b>(onshore)</b>
03AM
18
18mph from the NE<br><b>(onshore)</b>
06AM
21
21mph from the NNE<br><b>(side-onshore)</b>
09AM
22
22mph from the NNE<br><b>(side-onshore)</b>
12PM
21
21mph from the NNE<br><b>(side-onshore)</b>
03PM
21
21mph from the NNE<br><b>(side-onshore)</b>
06PM
21
21mph from the NNE<br><b>(side-onshore)</b>
09PM
Tides: 07:00 pm (0ft)
top
Tuesday
13-16ft
Mostly Clear and Breezy
61
Tue, September 22 -
Summary:

East long-period swell picking up plus Northeast medium period swell on the rise .

*biggest in the afternoon: 22 foot-(long-period swell)

Swell/Tide/Wind Details
Weather: Low: 58 High: 66

Sunny, with a high near 61. Breezy, with a northeast wind 20 to 22 mph.

22
22mph from the NNE<br><b>(side-onshore)</b>
12AM
24
24mph from the N<br><b>(side-shore)</b>
03AM
26
26mph from the N<br><b>(side-shore)</b>
06AM
28
28mph from the N<br><b>(side-shore)</b>
09AM
28
28mph from the NNW<br><b>(side-offshore)</b>
12PM
25
25mph from the NNW<br><b>(side-offshore)</b>
03PM
21
21mph from the NW<br><b>(offshore)</b>
06PM
18
18mph from the WNW<br><b>(offshore)</b>
09PM
Tides: 07:00 pm (0ft)
top
Wednesday
3+ft
Mostly Cloudy and Breezy then Mostly Cloudy
66
Wed, September 23 -
Summary:

East-Northeast med-period swell on the way out with background East-Northeast windswell on the rise .

*biggest in the morning: 7 foot-(med-period swell)

Swell/Tide/Wind Details
Weather: Low: 58 High: 66

Partly sunny, with a high near 66. Windy, with a north wind 26 to 29 mph, with gusts as high as 49 mph.

18
18mph from the WNW<br><b>(offshore)</b>
12AM
17
17mph from the WNW<br><b>(offshore)</b>
03AM
16
16mph from the WNW<br><b>(offshore)</b>
06AM
13
13mph from the WNW<br><b>(offshore)</b>
09AM
10
10mph from the W<br><b>(offshore)</b>
12PM
10
10mph from the W<br><b>(offshore)</b>
03PM
9
9mph from the W<br><b>(offshore)</b>
06PM
9
9mph from the W<br><b>(offshore)</b>
09PM
Tides: 07:00 pm (0ft)
top
Thursday
1+ft
Mostly Clear
71
Thu, September 24 -
Summary:

Small East-Southeast med-period swell steady and East-Northeast windswell steady .

Swell/Tide/Wind Details
Weather: Low: 60 High: 71

Sunny, with a high near 71. West wind 10 to 15 mph.

9
9mph from the WNW<br><b>(offshore)</b>
12AM
9
9mph from the NW<br><b>(offshore)</b>
03AM
7
7mph from the NW<br><b>(offshore)</b>
06AM
7
7mph from the NW<br><b>(offshore)</b>
09AM
6
6mph from the NW<br><b>(offshore)</b>
12PM
3
3mph from the WSW<br><b>(offshore)</b>
03PM
7
7mph from the SSW<br><b>(side-offshore)</b>
06PM
9
9mph from the SSW<br><b>(side-offshore)</b>
09PM
Tides: 07:00 pm (0ft)
top
Friday
1+ft
Partly Cloudy
Fri, September 25 -
Summary:

Small East-Southeast med-period swell on the rise and East-Southeast windswell on the way out .

Swell/Tide/Wind Details
Weather: Low: 60 High: 70

Partly cloudy, with a low around 60. South wind around 9 mph.

9
9mph from the SW<br><b>(offshore)</b>
12AM
9
9mph from the SW<br><b>(offshore)</b>
03AM
9
9mph from the SW<br><b>(offshore)</b>
06AM
9
9mph from the SW<br><b>(offshore)</b>
09AM
9
9mph from the SW<br><b>(offshore)</b>
12PM
9
9mph from the WSW<br><b>(offshore)</b>
03PM
7
7mph from the WSW<br><b>(offshore)</b>
06PM
7
7mph from the WNW<br><b>(offshore)</b>
09PM
Tides: 07:00 pm (0ft)
top

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