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San Mateo County
5-Day Surf and Weather Forecast



Monday

6-8ft

Tuesday

6-9ft

Wednesday

14-21ft

Thursday

8-11ft

Friday

14-21ft

Saturday

8-11ft

Sunday

8-10ft
Monday
6-8ft
Partly Cloudy
41
Mon, December 16 -
Summary:

West-Northwest med-period swell decreasing and Southwest medium period swell picking up

Swell/Tide/Wind Details
Weather: Low: 56 --

Partly cloudy, with a low around 41. North northwest wind 8 to 15 mph becoming northeast after midnight. Winds could gust as high as 18 mph.

10
10mph from the N
01AM
8
8mph from the NE
04AM
13
13mph from the ENE
07AM
14
14mph from the ENE
10AM
10
10mph from the NE
01PM
9
9mph from the NE
04PM
10
10mph from the NE
07PM
16
16mph from the ENE
10PM
Tides: 03:18 am (4.69ft) 08:11 am (3.08ft) 01:45 pm (5.45ft) 08:50 pm (-0.59ft)
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Tuesday
6-9ft
Increasing Clouds
56
Tue, December 17 -
Summary:

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

Swell/Tide/Wind Details
Weather: Low: 42 High: 56

Sunny, with a high near 56. Northeast wind 9 to 14 mph.

15
15mph from the E
01AM
14
14mph from the E
04AM
11
11mph from the E
07AM
11
11mph from the ESE
10AM
9
9mph from the SE
01PM
7
7mph from the SSE
04PM
9
9mph from the E
07PM
11
11mph from the E
10PM
Tides: 04:08 am (4.86ft) 09:24 am (2.92ft) 02:48 pm (4.99ft) 09:45 pm (-0.2ft)
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Wednesday
14-21ft
Chance Rain
58
Wed, December 18 -
Summary:

West-Northwest long-period swell building and West-Southwest windswell decreasing

Swell/Tide/Wind Details
Weather: Low: 44 High: 58

Cloudy, with a high near 58. South southeast wind 7 to 11 mph.

15
15mph from the ESE<br><b>(side-offshore)</b>
01AM
17
17mph from the ESE<br><b>(side-offshore)</b>
04AM
20
20mph from the SE<br><b>(side-offshore)</b>
07AM
22
22mph from the SE<br><b>(side-offshore)</b>
10AM
15
15mph from the S<br><b>(onshore)</b>
01PM
16
16mph from the SW<br><b>(onshore)</b>
04PM
14
14mph from the WSW<br><b>(onshore)</b>
07PM
2
2mph from the N<br><b>(side-offshore)</b>
10PM
Tides: 04:58 am (5.09ft) 10:43 am (2.56ft) 04:02 pm (4.53ft) 10:42 pm (0.26ft)
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Thursday
8-11ft
Slight Chance Rain
57
Thu, December 19 -
Summary:

West-Northwest long-period swell decreasing and a secondary West-Northwest long-period swell picking up

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

Swell/Tide/Wind Details
Weather: Low: 46 High: 58

A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 57. Breezy. New precipitation amounts of less than a tenth of an inch possible.

2
2mph from the NE<br><b>(offshore)</b>
01AM
2
2mph from the SE<br><b>(side-offshore)</b>
04AM
2
2mph from the SE<br><b>(side-shore)</b>
07AM
3
3mph from the SE<br><b>(side-shore)</b>
10AM
6
6mph from the SE<br><b>(side-shore)</b>
01PM
7
7mph from the S<br><b>(onshore)</b>
04PM
7
7mph from the S<br><b>(onshore)</b>
07PM
6
6mph from the S<br><b>(side-onshore)</b>
10PM
Tides: 05:47 am (5.38ft) 11:59 am (1.97ft) 05:26 pm (4.17ft) 11:41 pm (0.75ft)
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Friday
14-21ft
Chance Rain
58
Fri, December 20 -
Summary:

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

*biggest in the afternoon: 21 foot-(long-period swell)

Swell/Tide/Wind Details
Weather: Low: 46 High: 58

A chance of rain. Mostly cloudy, with a high near 58.

6
6mph from the S<br><b>(side-onshore)</b>
01AM
6
6mph from the SE<br><b>(side-shore)</b>
04AM
6
6mph from the SE<br><b>(side-shore)</b>
07AM
7
7mph from the SE<br><b>(side-offshore)</b>
10AM
7
7mph from the ESE<br><b>(side-offshore)</b>
01PM
8
8mph from the S<br><b>(side-onshore)</b>
04PM
7
7mph from the S<br><b>(side-onshore)</b>
07PM
7
7mph from the SSE<br><b>(side-onshore)</b>
10PM
Tides: 06:33 am (5.71ft) 01:07 pm (1.25ft) 06:55 pm (4ft)
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Saturday

Extended Automated Forecast
**For more detail visit spot specific forecasts**
8-11ft
Chance Rain
59
Sat, December 21 -
Summary:

West long-period swell on the way out and a secondary Southwest windswell picking up .

*biggest in the morning: 15ft (long-period swell)

Swell/Tide/Wind Details
Weather: Low: 47 High: 59

A slight chance of rain. Cloudy, with a high near 59.

9
9mph from the SSE<br><b>(side-onshore)</b>
01AM
10
10mph from the SSE<br><b>(side-onshore)</b>
04AM
10
10mph from the SSE<br><b>(side-onshore)</b>
07AM
13
13mph from the SSE<br><b>(side-shore)</b>
10AM
15
15mph from the SSE<br><b>(side-onshore)</b>
01PM
15
15mph from the S<br><b>(side-onshore)</b>
04PM
14
14mph from the S<br><b>(side-onshore)</b>
07PM
11
11mph from the SSE<br><b>(side-onshore)</b>
10PM
Tides: 12:38 am (1.25ft) 07:18 am (6ft) 02:05 pm (0.49ft) 08:17 pm (4.07ft)
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Sunday
8-10ft
Chance Rain
Sun, December 22 -
Summary:

West-Northwest med-period swell slowly fading and Southwest windswell decreasing .

Swell/Tide/Wind Details
Weather: Low: 46 High: 59

A chance of rain. Cloudy, with a low around 46.

10
10mph from the SSE<br><b>(side-onshore)</b>
01AM
9
9mph from the S<br><b>(side-onshore)</b>
04AM
7
7mph from the S<br><b>(onshore)</b>
07AM
7
7mph from the SSE<br><b>(side-onshore)</b>
10AM
8
8mph from the SSE<br><b>(side-onshore)</b>
01PM
9
9mph from the SSE<br><b>(side-onshore)</b>
04PM
7
7mph from the WNW<br><b>(side-onshore)</b>
07PM
Tides: 01:34 am (1.67ft) 08:01 am (6.27ft) 02:57 pm (-0.16ft) 09:27 pm (4.27ft)
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