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San Mateo County
5-Day Surf and Weather Forecast



Friday

8-11ft

Saturday

13-22ft

Sunday

12-17ft

Monday

11-14ft

Tuesday

9-12ft

Wednesday

12-18ft

Thursday

8-11ft
Friday
8-11ft
Heavy Rain
61
Fri, December 19 -
Summary:

West-Northwest med-period swell decreasing plus Southwest medium period swell holding

*biggest in the morning: 10 foot-(med-period swell)

Swell/Tide/Wind Details
Weather: Low: 52 High: 61

Rain. The rain could be heavy at times. High near 61. South wind around 17 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

14
14mph from the S
12AM
17
17mph from the S
03AM
20
20mph from the SSE
06AM
20
20mph from the SSE
09AM
14
14mph from the SSW
12PM
17
17mph from the S
03PM
5
5mph from the WSW
06PM
1
1mph from the NNE
09PM
Tides: 01:37 am (2.53ft) 01:37 am (2.53ft) 07:43 am (6ft) 07:43 am (6ft) 02:49 pm (-0.43ft) 02:49 pm (-0.43ft) 09:38 pm (4.2ft) 09:38 pm (4.2ft)
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Saturday
13-22ft
Mostly Cloudy
61
Sat, December 20 -
Summary:

West-Northwest long-period swell picking up and West-Northwest long-period swell slowly fading .

*biggest in the afternoon: 28 foot-(long-period swell)

Swell/Tide/Wind Details
Weather: Low: 54 High: 61

Mostly cloudy, with a high near 61. East wind 5 to 7 mph becoming south in the afternoon.

6
6mph from the E
12AM
6
6mph from the E
03AM
6
6mph from the E
06AM
6
6mph from the ENE
09AM
2
2mph from the NE
12PM
5
5mph from the SSE
03PM
7
7mph from the SSW
06PM
8
8mph from the SSW
09PM
Tides: 02:23 am (2.59ft) 02:23 am (2.59ft) 08:24 am (6.23ft) 08:24 am (6.23ft) 03:28 pm (-0.82ft) 03:28 pm (-0.82ft) 10:22 pm (4.43ft) 10:22 pm (4.43ft)
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Sunday
12-17ft
Partly Sunny
63
Sun, December 21 -
Summary:

West-Northwest long-period swell slowly fading and South long-period swell picking up

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

Swell/Tide/Wind Details
Weather: Low: 53 High: 63

Partly sunny, with a high near 63. South wind around 6 mph becoming calm in the morning.

7
7mph from the S<br><b>(onshore)</b>
12AM
6
6mph from the SSW<br><b>(onshore)</b>
03AM
2
2mph from the W<br><b>(onshore)</b>
06AM
2
2mph from the W<br><b>(onshore)</b>
09AM
7
7mph from the NW<br><b>(side-shore)</b>
12PM
7
7mph from the NW<br><b>(side-shore)</b>
03PM
11
11mph from the NW<br><b>(side-shore)</b>
06PM
11
11mph from the NW<br><b>(side-shore)</b>
09PM
Tides: 03:07 am (2.62ft) 03:07 am (2.62ft) 09:07 am (6.36ft) 09:07 am (6.36ft) 04:08 pm (-1.12ft) 04:08 pm (-1.12ft) 11:05 pm (4.63ft) 11:05 pm (4.63ft)
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Monday
11-14ft
Mostly Sunny
63
Mon, December 22 -
Summary:

West-Northwest long-period swell fading and Southwest long-period swell holding

*biggest in the morning: 16 foot-(long-period swell)

Swell/Tide/Wind Details
Weather: Low: 52 High: 64

Mostly sunny, with a high near 63.

9
9mph from the NNW<br><b>(side-offshore)</b>
12AM
9
9mph from the NNW<br><b>(side-offshore)</b>
03AM
8
8mph from the N<br><b>(offshore)</b>
06AM
8
8mph from the N<br><b>(offshore)</b>
09AM
10
10mph from the NNW<br><b>(side-offshore)</b>
12PM
10
10mph from the NNW<br><b>(side-offshore)</b>
03PM
13
13mph from the NNW<br><b>(side-shore)</b>
06PM
13
13mph from the NNW<br><b>(side-shore)</b>
09PM
Tides: 03:54 am (2.62ft) 03:54 am (2.62ft) 09:51 am (6.43ft) 09:51 am (6.43ft) 04:50 pm (-1.28ft) 04:50 pm (-1.28ft) 11:48 pm (4.79ft) 11:48 pm (4.79ft)
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Tuesday
9-12ft
Mostly Sunny
Tue, December 23 -
Summary:

West-Northwest med-period swell holding and a secondary West-Northwest long-period swell building

Swell/Tide/Wind Details
Weather: Low: 52 High: 64

Mostly sunny, with a high near 64.

11
11mph from the NNW<br><b>(side-offshore)</b>
12AM
11
11mph from the NNW<br><b>(side-offshore)</b>
03AM
9
9mph from the N<br><b>(offshore)</b>
06AM
9
9mph from the N<br><b>(offshore)</b>
09AM
8
8mph from the NNE<br><b>(offshore)</b>
12PM
8
8mph from the NNE<br><b>(offshore)</b>
03PM
9
9mph from the NNW<br><b>(side-offshore)</b>
06PM
9
9mph from the NNW<br><b>(side-offshore)</b>
09PM
Tides: 04:43 am (2.56ft) 04:43 am (2.56ft) 10:38 am (6.33ft) 10:38 am (6.33ft) 05:33 pm (-1.25ft) 05:33 pm (-1.25ft)
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Wednesday

Extended Automated Forecast
**For more detail visit spot specific forecasts**
12-18ft
Mostly Sunny
62
Wed, December 24 -
Summary:

West-Northwest long-period swell picking up and West-Northwest medium period swell fading .

*biggest in the afternoon: 17ft (long-period swell)

Swell/Tide/Wind Details
Weather: Low: 52 High: 62

Mostly sunny, with a high near 62.

8
8mph from the N<br><b>(offshore)</b>
12AM
8
8mph from the N<br><b>(offshore)</b>
03AM
6
6mph from the N<br><b>(offshore)</b>
06AM
6
6mph from the N<br><b>(offshore)</b>
09AM
8
8mph from the WNW<br><b>(side-onshore)</b>
12PM
8
8mph from the WNW<br><b>(side-onshore)</b>
03PM
13
13mph from the W<br><b>(onshore)</b>
06PM
13
13mph from the W<br><b>(onshore)</b>
09PM
Tides: 12:31 am (4.95ft) 12:31 am (4.95ft) 05:36 am (2.49ft) 05:36 am (2.49ft) 11:28 am (6.07ft) 11:28 am (6.07ft) 06:18 pm (-1.02ft) 06:18 pm (-1.02ft)
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Thursday
8-11ft
Sunny
Thu, December 25 -
Summary:

West-Northwest long-period swell fading and a secondary Northwest windswell building .

*biggest in the morning: 13 ft (long-period swell)

Swell/Tide/Wind Details
Weather: Low: 52 High: 62

Sunny, with a high near 61.

15
15mph from the NNW<br><b>(side-offshore)</b>
12AM
15
15mph from the NNW<br><b>(side-offshore)</b>
03AM
13
13mph from the NNW<br><b>(side-offshore)</b>
06AM
13
13mph from the NNW<br><b>(side-offshore)</b>
09AM
14
14mph from the N<br><b>(side-offshore)</b>
12PM
14
14mph from the N<br><b>(side-offshore)</b>
03PM
13
13mph from the NNW<br><b>(side-offshore)</b>
06PM
13
13mph from the NNW<br><b>(side-offshore)</b>
09PM
Tides: 01:16 am (5.12ft) 01:16 am (5.12ft) 06:35 am (2.4ft) 06:35 am (2.4ft) 12:22 pm (5.68ft) 12:22 pm (5.68ft) 07:06 pm (-0.66ft) 07:06 pm (-0.66ft)
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