San Mateo Sea Conditions and Tide Table

San Mateo Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 06:01 AM and sunset is at 08:27 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Sun afternoon, min 12°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 20°C on Thu afternoon, min 13°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 20°C on Fri afternoon, min 12°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 27°C on Wed afternoon, min 12°C on Mon night). Wind will be generally light.

Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
8:44AM1.63m
8:18PM2.53m
10:10AM1.68m
9:11PM2.60m
11:22AM1.77m
10:06PM2.65m
12:20PM1.85m
11:00PM2.67m
1:08PM1.91m
11:52PM2.66m
1:50PM1.96m
00:42AM2.60m
2:29PM1.99m
1:30AM2.49m
3:06PM2.01m
2:16AM2.35m
3:41PM2.04m
3:03AM2.17m
4:15PM2.07m
3:51AM1.99m
4:50PM2.11m
4:43AM1.82m
5:27PM2.15m
Low Tide
2:13PM0.87m
3:35AM-0.05m
3:17PM0.98m
4:30AM-0.21m
4:17PM1.02m
5:23AM-0.32m
5:14PM1.01m
6:12AM-0.38m
6:07PM0.95m
6:59AM-0.39m
6:58PM0.89m
7:44AM-0.36m
7:49PM0.82m
8:26AM-0.27m
8:39PM0.77m
9:08AM-0.14m
9:30PM0.71m
9:49AM0.03m
10:23PM0.66m
10:30AM0.23m
11:19PM0.61m
11:14AM0.46m
00:16AM0.55m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
 km/h
10
WNW
15
WNW
5
SW
10
W
15
W
10
SW
15
W
20
W
10
SW
10
W
20
W
5
WSW
10
WNW
15
WNW
10
WSW
10
WNW
20
W
5
SW
10
WNW
20
W
10
W
15
WNW
20
WNW
5
WSW
10
WNW
15
WNW
5
SSW
5
WNW
15
W
5
SW
5
WNW
15
W
5
SSW
5
WNW
15
WNW
5
SW
 mm 
max°C
18
20
16
19
21
15
16
19
16
17
19
16
17
19
15
18
20
15
18
20
15
17
19
15
17
19
15
21
24
17
21
25
18
23
27
18
Moonrise
12:56
1:35
2:24
3:23
4:31
5:43
6:55
8:04
9:09
10:11
11:11
12:10
Moonset
3:49
5:04
6:15
7:17
8:08
8:49
9:21
9:49
10:13
10:35
10:56
11:19
Sunrise
6:01
6:01
6:03
6:03
6:03
6:05
6:05
6:07
6:07
6:07
6:09
6:09
Sunset
8:27
8:27
8:25
8:24
8:23
8:23
8:22
8:22
8:21
8:20
8:20
8:19
Today's sea temperature in San Mateo is 20.5 °C (Statistics for 19 Jul 1981-2005 – mean: 13.3 max: 15.6 min: 11.4°C)
Issued (local time): 10 am Saturday 19 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest