Portsmouth Sea Conditions and Tide Table

Portsmouth 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 05:45 AM and sunset is at 06:32 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Cool air temperatures (max 11°C on Fri afternoon, min 8°C on Fri night). Winds decreasing (strong winds from the SSW on Fri morning, light winds from the SSW by Sat morning).

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Tue night. Cool air temperatures (max 12°C on Wed morning, min 7°C on Mon night). Winds increasing (calm on Tue morning, strong winds from the SW by Wed morning).

Days 7–9 Weather Summary

Moderate rain (total 16mm), heaviest on Fri night. Very mild (max 14°C on Thu afternoon, min 9°C on Sat night). Winds decreasing (near gales from the SW on Thu night, moderate winds from the SSE by Fri afternoon).

Days 10–12 Weather Summary

Heavy rain (total 42mm), heaviest during Sun afternoon. Very mild (max 12°C on Sun night, min 3°C on Tue night). Winds decreasing (near gales from the SSW on Sun afternoon, light winds from the WSW by Mon afternoon).

Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
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
1:28PM4.37m
1:44AM4.38m
2:03PM4.25m
2:21AM4.22m
2:48PM4.08m
3:09AM4.02m
3:51PM3.87m
4:17AM3.80m
5:11PM3.72m
5:39AM3.67m
6:37PM3.72m
7:11AM3.71m
8:08PM3.92m
8:34AM3.97m
9:12PM4.26m
9:28AM4.28m
9:55PM4.56m
10:08AM4.55m
10:31PM4.78m
10:46AM4.73m
11:07PM4.90m
11:25AM4.81m
11:47PM4.92m
Low Tide
6:40AM0.93m
6:55PM0.96m
7:12AM0.99m
7:28PM1.10m
7:48AM1.14m
8:07PM1.35m
8:32AM1.40m
8:57PM1.69m
9:31AM1.72m
10:14PM2.03m
11:20AM1.91m
00:26AM2.02m
1:04PM1.70m
1:39AM1.70m
2:02PM1.32m
2:28AM1.29m
2:49PM0.93m
3:12AM0.90m
3:32PM0.59m
3:55AM0.59m
4:15PM0.37m
4:37AM0.40m
4:57PM0.29m
5:19AM0.35m
Wave
height (m) 
direction
period (s) 
rain showers
clear
part cloud
cloud
clear
part cloud
cloud
cloud
rain showers
cloud
rain showers
part cloud
cloud
light rain
light rain
rain showers
rain showers
rain showers
rain showers
light rain
rain showers
light rain
light rain
light rain
rain showers
clear
clear
light rain
mod rain
light rain
cloud
mod rain
mod rain
light rain
mod rain
mod rain
rain shwrs
clear
some clouds
cloudy
clear
some clouds
cloudy
cloudy
rain shwrs
cloudy
rain shwrs
some clouds
cloudy
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
light rain
rain shwrs
light rain
light rain
light rain
rain shwrs
clear
clear
light rain
mod rain
light rain
cloudy
mod rain
mod rain
light rain
mod rain
mod rain
 km/h
40
SSW
35
SSW
15
SW
5
SSW
10
SSW
20
ESE
30
E
30
E
20
E
20
SSW
25
WSW
20
NE
0
E
30
SW
35
SSW
25
SW
35
SW
25
SW
40
SSW
40
SW
60
SW
30
SSW
25
SSE
30
SW
55
SSW
55
SW
45
WSW
30
SW
35
SSE
40
SW
30
WSW
15
WSW
30
NE
35
ENE
40
ENE
35
NNE
 mm 
1.0
1.0
1.0
1.0
5
1.0
2.0
2.0
2.0
1.0
1.0
1.0
4
5
2.0
1.0
10
2.0
6
6
4
7
6
max°C
10
11
9
10
11
9
10
11
9
11
11
10
10
11
11
12
12
10
13
14
13
13
13
12
11
11
10
10
11
12
11
9
7
6
6
4
Moonrise
11:44
12:59
3:07
4:03
4:43
5:13
5:34
5:51
6:05
6:19
6:34
Moonset
6:58
7:22
8:56
9:46
10:53
12:14
1:43
3:14
4:44
6:14
7:45
9:15
Sunrise
5:45
5:41
6:39
5:37
5:35
5:33
5:31
5:28
5:26
5:24
5:22
5:20
Sunset
6:32
6:35
7:36
6:37
6:39
6:40
6:43
6:45
6:45
6:47
6:49
6:51
Today's sea temperature in Portsmouth is 9.7 °C (Statistics for 29 Mar 1981-2005 – mean: 8.9 max: 10.3 min: 6.8°C)
Nearest