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San Mateo County
5-Day Surf and Weather Forecast



Saturday (3-4+) |
Sunday (3-4+) |
Monday (3-4+) |
Tuesday (3-4+) |
Wednesday (3-5+)
Saturday
3-4+ft
occasional overhead (6 ft) set
Patchy Fog
49
Sat, May 18 - marginal
waist to shoulder high with occasional overhead sets.
Summary:

More windswell builds through the day, with moderate to breezy onshore winds out of the W-NW. The game changer could be the forerunners for the new SSW-SW (200-215) that should be arriving through the day. Periods could be 19-22 seconds, giving deepwater breaks an decent advantage on wave heights compared to normal S-SW exposures

Swell/Tide/Wind Details
Weather: Low: 62 --

Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 49. North northwest wind 16 to 20 mph, with gusts as high as 24 mph.

18
18mph from the WNW
01AM
18
18mph from the NW
04AM
10
10mph from the WNW
07AM
14
14mph from the NW
10AM
17
17mph from the WNW
01PM
15
15mph from the NW
04PM
17
17mph from the NNW
07PM
17
17mph from the NNW
10PM
Tides: 04:47 am (3.71ft) 11:25 am (0.72ft) 06:27 pm (4.56ft)
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Sunday
3-4+ft
occasional overhead (6 ft) set
Clear
62
Sun, May 19 - marginal
waist to shoulder high with occasional overhead sets.
Summary:

The 18-second SSW-SW (200-215) continues to build, with some small to moderate size at standout southerly exposures. This one is wide enough that some of the more west facing breaks could see action too. With the moderate sized windswell, the combo may produce some decent size at some of the beach breaks, but onshore winds could be a problem.

Swell/Tide/Wind Details
Weather: Low: 49 High: 62

Mostly sunny, with a high near 62. North northwest wind 9 to 16 mph, with gusts as high as 20 mph.

15
15mph from the NNW
01AM
16
16mph from the NW
04AM
11
11mph from the NNW
07AM
9
9mph from the NW
10AM
13
13mph from the NW
01PM
16
16mph from the NNW
04PM
15
15mph from the NNW
07PM
11
11mph from the NNW
10PM
Tides: 12:48 am (1.87ft) 06:05 am (3.58ft) 12:18 pm (0.98ft) 07:05 pm (4.86ft)
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Monday
3-4+ft
occasional couple of feet overhead (7 ft) set
Patchy Fog
63
Mon, May 20 - rideable
waist to shoulder high with occasional couple of feet overhead sets.
Summary:

A mix of WNW adds to the 17-second SSW-SW (200-215) and windswell already in the water. This could push some of the better W-SW exposures further into the moderate to plus size range. There are hints at a possible offshore event as well, this will take further monitoring though

Swell/Tide/Wind Details
Weather: Low: 49 High: 63

Sunny, with a high near 63. Northwest wind around 6 mph.

9
9mph from the NNW
05PM
6
6mph from the WNW
05PM
5
5mph from the NW
05PM
5
5mph from the NW
05PM
6
6mph from the NNW
05PM
6
6mph from the NNW
05PM
11
11mph from the WNW
05PM
11
11mph from the WNW
05PM
Tides: 01:39 am (1.21ft) 07:22 am (3.58ft) 01:09 pm (1.21ft) 07:43 pm (5.22ft)
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Tuesday
3-4+ft
occasional couple of feet overhead (7 ft) set
Breezy
60
Tue, May 21 - rideable
chest to shoulder high with occasional couple of feet overhead sets.
Summary:

Models are still suggesting a possible run of offshore winds, working with building windswell from off the coast and some small WNW swell. There also should still be some solid SW swell in the water.

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

Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60.

7
7mph from the WNW
01AM
7
7mph from the WNW
04AM
8
8mph from the WNW
07AM
8
8mph from the WNW
10AM
14
14mph from the WNW
01PM
14
14mph from the WNW
04PM
18
18mph from the WNW
07PM
18
18mph from the WNW
10PM
Tides: 02:25 am (0.52ft) 08:33 am (3.74ft) 01:58 pm (1.48ft) 08:21 pm (5.58ft)
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Wednesday
3-5+ft
occasional couple of feet overhead (7 ft) set
Breezy
58
Wed, May 22 - bad
chest to head high with occasional couple of feet overhead sets.
Summary:

MId-period WNW-NW (295-315) peaks, with possibly some solid swell. SW swell continues to slowly ease up, but with 16-second periods and still a couple feet of deepwater swell there should be some good sets rolling through

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

Sunny, with a high near 58.

22
22mph from the NW
01AM
22
22mph from the NW
04AM
20
20mph from the NNW
07AM
20
20mph from the NNW
10AM
18
18mph from the NW
01PM
18
18mph from the NW
04PM
24
24mph from the NW
07PM
24
24mph from the NW
10PM
Tides: 03:09 am (-0.2ft) 09:36 am (3.97ft) 02:46 pm (1.67ft) 09:01 pm (5.91ft)
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