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 — and sunset is at 04:55 PM.

Days 1–4 Weather Summary

Light rain (total 8mm), mostly falling on Thu afternoon. Cool air temperatures (max 14°C on Thu afternoon, min 7°C on Sat night). Winds decreasing (fresh winds from the S on Thu afternoon, calm by Sat night).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Mon afternoon, min 5°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 35mm), heaviest during Thu night. Very mild (max 15°C on Fri afternoon, min 9°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Some drizzle, heaviest during Sat afternoon. Very mild (max 14°C on Sat afternoon, min 7°C on Mon night). Wind will be generally light.

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
AM
Wave Height Map
High Tide
3:46PM2.01m
5:12AM2.12m
4:46PM1.86m
5:54AM2.22m
5:55PM1.74m
6:37AM2.33m
7:13PM1.68m
7:23AM2.45m
8:35PM1.69m
8:10AM2.57m
9:53PM1.76m
9:00AM2.67m
11:01PM1.87m
9:50AM2.74m
11:56PM1.94m
10:42AM2.78m
00:45AM2.00m
11:33AM2.77m
1:30AM2.04m
12:23PM2.70m
2:12AM2.07m
1:13PM2.57m
2:53AM2.09m
Low Tide
10:31PM0.15m
11:36AM0.86m
11:19PM0.32m
12:37PM0.65m
00:12AM0.51m
1:35PM0.40m
1:08AM0.70m
2:30PM0.15m
2:06AM0.86m
3:22PM-0.09m
3:03AM0.97m
4:12PM-0.29m
4:00AM1.04m
5:02PM-0.42m
4:54AM1.04m
5:51PM-0.49m
5:46AM1.00m
6:39PM-0.50m
6:39AM0.95m
7:25PM-0.44m
7:33AM0.89m
8:11PM-0.32m
8:29AM0.83m
Wave
height (m) 
direction
period (s) 
light rain
rain showers
clear
rain showers
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
mod rain
mod rain
cloud
heavy rain
light rain
cloud
rain showers
light rain
light rain
clear
part cloud
part cloud
part cloud
cloud
clear
clear
clear
light rain
rain shwrs
clear
rain shwrs
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
mod rain
mod rain
cloudy
heavy rain
light rain
cloudy
rain shwrs
light rain
light rain
clear
some clouds
some clouds
some clouds
cloudy
clear
clear
clear
 km/h
35
S
20
SSW
20
S
25
SW
20
W
10
NNW
15
N
5
NNE
5
ENE
10
NNE
5
ENE
5
ENE
5
NNE
5
ENE
5
E
10
NE
5
ENE
5
ESE
5
ENE
5
ENE
5
NE
5
NE
5
NE
0
ENE
0
SE
5
N
0
NNW
10
WNW
5
WSW
5
NE
10
NNE
5
NE
5
ENE
5
NNE
5
ENE
5
NE
 mm 
4
2
2
6
9
17
1
1
1
1
max°C
14
12
13
12
11
11
12
9
11
11
8
12
13
9
13
13
9
10
10
9
10
11
11
13
15
15
15
14
11
13
13
10
12
12
9
12
Moonrise
11:25
11:49
12:16
12:46
1:23
2:09
3:06
4:14
5:29
6:46
7:59
Moonset
10:39
11:45
12:52
2:03
3:18
4:35
5:51
7:01
7:59
8:45
9:22
9:52
Sunrise
7:22
7:22
7:22
7:22
7:22
7:22
7:22
7:22
7:22
7:22
7:22
7:22
Sunset
4:55
4:55
4:57
4:58
4:58
4:59
5:00
5:00
5:01
5:01
5:02
5:04
Today's sea temperature in San Mateo is
12.6° C
(Statistics for 25 Dec 1981-2005 – mean: 12.3 max: 14.9 min: 10.7°C)
Issued (local time): 3 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest