San Sebastian Sea Conditions and Tide Table

San Sebastian 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 09:59 PM.

Days 1–4 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Cool air temperatures (max 13°C on Fri afternoon, min 6°C on Fri night). Winds increasing (light winds from the W on Fri night, near gales from the WNW by Sun night).

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Wed afternoon. Cool air temperatures (max 11°C on Tue afternoon, min 5°C on Mon night). Mainly near gales.

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Very mild (max 12°C on Sat afternoon, min 5°C on Thu night). Winds decreasing (gales from the WSW on Thu afternoon, fresh winds from the W by Fri afternoon).

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Mon night. Very mild (max 16°C on Tue afternoon, min 7°C on Tue night). Winds decreasing (near gales from the W on Sun night, light winds from the NW by Mon night).

Fri
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wed
31
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
9:19PM8.67m
9:18AM8.65m
9:56PM8.78m
9:55AM8.80m
10:32PM8.82m
10:31AM8.89m
11:08PM8.81m
11:09AM8.89m
11:45PM8.76m
11:48AM8.81m
00:24AM8.68m
12:30PM8.67m
1:05AM8.58m
1:16PM8.47m
1:50AM8.48m
2:09PM8.26m
2:41AM8.38m
3:09PM8.10m
3:38AM8.33m
4:17PM8.07m
4:40AM8.37m
5:28PM8.22m
5:45AM8.54m
Low Tide
2:59PM1.69m
3:19AM2.70m
3:36PM1.50m
3:55AM2.58m
4:14PM1.40m
4:31AM2.51m
4:51PM1.39m
5:08AM2.47m
5:28PM1.46m
5:46AM2.48m
6:06PM1.61m
6:26AM2.50m
6:47PM1.82m
7:11AM2.54m
7:32PM2.08m
8:00AM2.57m
8:23PM2.37m
8:57AM2.55m
9:21PM2.64m
9:59AM2.43m
10:26PM2.80m
11:06AM2.18m
11:34PM2.80m
Wave
height (m) 
direction
period (s) 
0.5
NW
3
0.4
NNE
5
0.6
WNW
3
0.6
WNW
3
1
WNW
4
0.9
WNW
4
0.8
WNW
4
0.8
NW
4
0.9
WNW
4
0.9
WNW
4
0.8
NE
9
0.8
W
4
0.9
WNW
4
0.9
NW
4
1
W
4
1.1
W
4
0.7
W
4
1.1
NW
4
1.2
W
4
1.2
WSW
4
0.8
W
4
0.7
W
4
0.8
WNW
4
0.9
W
4
1
W
4
0.7
W
4
0.8
W
4
0.6
W
4
1.1
WNW
4
0.6
W
3
0.5
W
3
0.3
E
4
0.8
NNE
5
0.8
NE
6
0.8
NE
6
0.7
WSW
3
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
rain showers
cloud
part cloud
clear
cloud
cloud
part cloud
part cloud
rain showers
part cloud
rain showers
clear
part cloud
cloud
cloud
rain showers
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
rain showers
cloud
light rain
part cloud
clear
some clouds
clear
some clouds
some clouds
cloudy
some clouds
some clouds
rain shwrs
cloudy
some clouds
clear
cloudy
cloudy
some clouds
some clouds
rain shwrs
some clouds
rain shwrs
clear
some clouds
cloudy
cloudy
rain shwrs
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
rain shwrs
cloudy
light rain
some clouds
clear
 km/h
25
W
20
W
35
W
30
W
50
W
35
W
45
W
40
NW
45
W
45
W
40
WSW
40
W
45
W
35
W
50
WSW
55
W
35
WNW
50
WNW
60
WSW
60
WSW
40
WSW
35
W
40
W
50
WSW
55
WSW
40
W
45
W
35
W
55
W
30
WSW
30
W
10
NW
25
NNW
35
WNW
35
WSW
40
WSW
 mm 
3
1
1
2
2
1
max°C
13
11
11
11
10
8
11
12
11
10
8
9
11
11
8
8
8
9
8
6
8
11
10
11
12
11
12
14
12
12
12
11
15
16
12
12
Moonrise
4:42
5:46
7:01
8:21
9:41
11:01
12:22
1:44
3:10
4:40
6:15
Moonset
10:33
11:16
11:47
12:09
12:25
12:37
12:47
12:56
1:06
1:17
1:32
1:54
Sunrise
5:01
5:01
5:03
5:03
5:03
5:05
5:05
5:05
5:07
5:07
5:09
5:09
Sunset
9:59
10:00
10:00
10:00
10:00
10:01
10:01
10:01
10:01
10:02
10:02
10:02
Today's sea temperature in San Sebastian is
10.2° C
(Statistics for 19 Dec 1981-2005 – mean: 8.6 max: 9.9 min: 7.3°C)
Issued (local time): 2 pm Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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