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Coast Guard Beach
7-Day Surf Forecast

*Peak Swell Height this Week:


Friday

1+ft

Saturday

1+ft

Sunday

1+ft

Monday

1-2ft

Tuesday

2-3ft

Wednesday

1-2ft

Thursday

1+ft
Offshore Forecast:Cape Cod (20180817 12 UTC)
Friday
1+ft
Heavy Rain
74
Fri, August 17 -
Summary:

Small Steep angle South-East med-period swell holding

Swell/Tide/Wind Details
Weather: Low: 72 --

A chance of showers and thunderstorms, mainly after 11pm. Some of the storms could produce gusty winds and heavy rain. Cloudy, with a low around 72. South wind 11 to 13 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

5
5mph from the WNW
12AM
5
5mph from the N
03AM
5
5mph from the ENE
06AM
5
5mph from the E
09AM
7
7mph from the SE
12PM
10
10mph from the SSE
03PM
11
11mph from the S
06PM
11
11mph from the SSW
09PM
Tides: 04:03 am (6.27ft) 10:32 am (0.07ft) 04:29 pm (6.4ft) 11:08 pm (0.16ft)
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Saturday
1+ft
Heavy Rain and Areas Dense Fog
80
Sat, August 18 -
Summary:

Small East-Southeast med-period swell holding with background East windswell on the rise .

Swell/Tide/Wind Details
Weather: Low: 68 High: 80

A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Areas of fog before 9am. Otherwise, cloudy, with a high near 80. Southwest wind 11 to 13 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and q

11
11mph from the SSW<br><b>(side-offshore)</b>
12AM
13
13mph from the SSW<br><b>(side-offshore)</b>
03AM
13
13mph from the SSW<br><b>(side-offshore)</b>
06AM
11
11mph from the SW<br><b>(offshore)</b>
09AM
11
11mph from the SW<br><b>(offshore)</b>
12PM
11
11mph from the SW<br><b>(offshore)</b>
03PM
9
9mph from the W<br><b>(offshore)</b>
06PM
9
9mph from the N<br><b>(side-shore)</b>
09PM
Tides: 04:59 am (5.84ft) 11:27 am (0.43ft) 05:23 pm (6.17ft)
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Sunday
1+ft
Chance Showers
71
Sun, August 19 -
Summary:

Small Northeast short-period swell on the rise plus South windswell steady .

Swell/Tide/Wind Details
Weather: Low: 66 High: 71

A chance of showers. Areas of fog between 7am and 9am. Otherwise, cloudy, with a high near 71. Northeast wind around 16 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

10
10mph from the NNE<br><b>(side-onshore)</b>
12AM
13
13mph from the NE<br><b>(onshore)</b>
03AM
15
15mph from the NE<br><b>(onshore)</b>
06AM
15
15mph from the NE<br><b>(onshore)</b>
09AM
16
16mph from the NE<br><b>(onshore)</b>
12PM
16
16mph from the NE<br><b>(onshore)</b>
03PM
15
15mph from the ENE<br><b>(onshore)</b>
06PM
13
13mph from the ENE<br><b>(onshore)</b>
09PM
Tides: 12:08 am (0.36ft) 05:58 am (5.51ft) 12:25 pm (0.75ft) 06:19 pm (6ft)
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Monday
1-2ft
Mostly Cloudy
73
Mon, August 20 -
Summary:

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

*biggest in the afternoon: 4 foot-(short-period swell)

Swell/Tide/Wind Details
Weather: Low: 67 High: 74

A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.

11
11mph from the ENE<br><b>(onshore)</b>
12AM
11
11mph from the NE<br><b>(onshore)</b>
03AM
11
11mph from the NE<br><b>(onshore)</b>
06AM
14
14mph from the NE<br><b>(onshore)</b>
09AM
16
16mph from the NE<br><b>(onshore)</b>
12PM
15
15mph from the NE<br><b>(onshore)</b>
03PM
13
13mph from the NE<br><b>(onshore)</b>
06PM
9
9mph from the NNE<br><b>(side-onshore)</b>
09PM
Tides: 01:10 am (0.49ft) 06:58 am (5.28ft) 01:23 pm (0.92ft) 07:16 pm (5.87ft)
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Tuesday
2-3ft
Partly Cloudy
74
Tue, August 21 -
Summary:

Small East-Northeast short-period swell decreasing and South-East windswell holding .

Swell/Tide/Wind Details
Weather: Low: 67 High: 74

Mostly sunny, with a high near 74.

7
7mph from the NNE<br><b>(side-onshore)</b>
12AM
6
6mph from the NNE<br><b>(side-onshore)</b>
03AM
7
7mph from the NNE<br><b>(side-onshore)</b>
06AM
7
7mph from the NE<br><b>(onshore)</b>
09AM
6
6mph from the E<br><b>(onshore)</b>
12PM
6
6mph from the ESE<br><b>(onshore)</b>
03PM
7
7mph from the SSE<br><b>(side-onshore)</b>
06PM
7
7mph from the S<br><b>(side-shore)</b>
09PM
Tides: 02:10 am (0.52ft) 07:58 am (5.18ft) 02:19 pm (0.95ft) 08:12 pm (5.87ft)
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Wednesday
1-2ft
Mostly Cloudy
78
Wed, August 22 -
Summary:

Small East-Northeast short-period swell holding and East-Northeast windswell picking up .

Swell/Tide/Wind Details
Weather: Low: 67 High: 78

A chance of showers before 1pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.

8
8mph from the S<br><b>(side-shore)</b>
12AM
10
10mph from the S<br><b>(side-shore)</b>
03AM
13
13mph from the S<br><b>(side-shore)</b>
06AM
14
14mph from the S<br><b>(side-shore)</b>
09AM
15
15mph from the SSW<br><b>(side-offshore)</b>
12PM
14
14mph from the SSW<br><b>(side-offshore)</b>
03PM
13
13mph from the SW<br><b>(offshore)</b>
06PM
10
10mph from the WSW<br><b>(offshore)</b>
09PM
Tides: 03:05 am (0.49ft) 08:53 am (5.22ft) 03:11 pm (0.92ft) 09:04 pm (5.94ft)
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Thursday
1+ft
Partly Cloudy
Thu, August 23 -
Summary:

Small Steep angle South med-period swell slowly fading and a secondary South-East windswell on the rise .

Swell/Tide/Wind Details
Weather: Low: 67 High: 75

Partly cloudy, with a low around 67.

9
9mph from the W<br><b>(offshore)</b>
12AM
8
8mph from the WNW<br><b>(offshore)</b>
03AM
9
9mph from the NNW<br><b>(side-offshore)</b>
06AM
9
9mph from the N<br><b>(side-shore)</b>
09AM
8
8mph from the N<br><b>(side-shore)</b>
12PM
7
7mph from the NE<br><b>(onshore)</b>
03PM
6
6mph from the ESE<br><b>(onshore)</b>
06PM
5
5mph from the E<br><b>(onshore)</b>
09PM
Tides: 03:54 am (0.36ft) 09:43 am (5.31ft) 03:59 pm (0.82ft) 09:51 pm (6.07ft)
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