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 05:01 AM and sunset is at 09:59 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Cool air temperatures (max 13°C on Fri afternoon, min 5°C on Thu night). Winds increasing (light winds from the WNW on Thu night, near gales from the W by Sat night).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Cool air temperatures (max 12°C on Mon morning, min 5°C on Mon night). Mainly near gales.

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Thu night. Very mild (max 12°C on Thu afternoon, min 4°C on Thu night). Mainly near gales.

Days 10–12 Weather Summary

Some drizzle, heaviest during Sun night. Very mild (max 14°C on Mon afternoon, min 5°C on Sat morning). Mainly near gales.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
8:02AM8.21m
8:40PM8.50m
8:40AM8.44m
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
Low Tide
2:19PM1.95m
2:42AM2.84m
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
Wave
height (m) 
direction
period (s) 
0.8
WSW
4
0.9
W
4
0.4
W
3
0.7
NNW
4
0.6
NW
3
0.5
WNW
3
0.6
NW
3
0.7
W
3
0.9
WNW
4
0.9
WNW
4
0.9
W
4
0.6
NE
8
0.9
NNW
3
1.1
NW
4
0.9
WNW
4
0.9
WNW
4
0.9
NW
4
1
NW
4
1.1
W
4
1
W
4
0.8
W
4
1
WNW
4
1
W
4
0.6
NW
3
1
WSW
4
0.9
WSW
4
0.7
WSW
4
0.7
NW
4
0.8
WNW
3
0.8
WSW
4
0.6
SW
3
0.8
W
4
0.5
W
3
0.7
WNW
3
0.8
W
4
0.8
WSW
4
part cloud
part cloud
part cloud
light rain
part cloud
clear
part cloud
part cloud
rain showers
part cloud
cloud
light rain
part cloud
cloud
clear
cloud
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
cloud
light rain
part cloud
part cloud
cloud
some clouds
some clouds
some clouds
light rain
some clouds
clear
some clouds
some clouds
rain shwrs
some clouds
cloudy
light rain
some clouds
cloudy
clear
cloudy
light rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
clear
some clouds
cloudy
cloudy
some clouds
clear
some clouds
cloudy
light rain
some clouds
some clouds
cloudy
 km/h
45
WSW
50
WSW
20
W
35
NW
30
WNW
25
W
35
W
40
W
40
WNW
40
W
45
WSW
25
WNW
45
WNW
50
W
40
W
40
W
45
WNW
45
WNW
55
WSW
50
WSW
35
W
50
W
55
W
30
NW
50
WSW
60
WSW
35
W
35
NW
45
WSW
45
WSW
40
WSW
45
WSW
30
W
35
W
55
WSW
45
WSW
 mm 
1
1
1
1
1
7
1
max°C
9
10
8
10
13
11
11
13
10
10
10
10
12
12
8
9
11
11
8
9
8
9
12
9
8
9
7
10
12
9
12
12
9
11
14
10
Moonrise
3:16
3:52
4:42
5:46
7:01
8:21
9:41
11:01
12:22
1:44
3:10
4:40
Moonset
9:35
10:33
11:16
11:47
12:09
12:25
12:37
12:47
12:56
1:06
1:17
Sunrise
5:01
5:01
5:01
5:01
5:03
5:03
5:03
5:05
5:05
5:05
5:07
5:07
Sunset
9:59
9:59
10:00
10:00
10:00
10:00
10:01
10:01
10:01
10:01
10:02
10:02
Today's sea temperature in San Sebastian is
10.4° C
(Statistics for 18 Dec 1981-2005 – mean: 8.6 max: 9.9 min: 7.4°C)
Issued (local time): 8 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest