Flat Island Sea Conditions and Tide Table

Flat Island 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 05:50 PM.

Days 1–4 Weather Summary

A dusting of new snow. Icy conditions (max 2°C on Sat afternoon, min -5°C on Sun morning). Winds increasing (light winds from the WSW on Fri night, strong winds from the NNW by Sun afternoon).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 3°C on Tue night, min -3°C on Sun night). Winds decreasing (fresh winds from the N on Sun night, calm by Mon afternoon).

Days 8–10 Weather Summary

Light rain (total 7mm), mostly falling on Wed night. Freeze-thaw conditions (max 3°C on Wed night, min -12°C on Thu night). Mainly gales.

Days 11–13 Weather Summary

A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max 0°C on Sat night, min -5°C on Tue morning). Winds increasing (light winds from the ENE on Mon afternoon, strong winds from the N by Tue afternoon).

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
6:50PM2.90m
7:03AM3.30m
7:43PM2.96m
7:54AM3.36m
8:31PM3.03m
8:41AM3.42m
9:15PM3.12m
9:25AM3.48m
9:57PM3.21m
10:08AM3.52m
10:37PM3.31m
10:50AM3.54m
11:16PM3.40m
11:31AM3.54m
11:56PM3.49m
12:14PM3.51m
00:37AM3.56m
12:59PM3.45m
1:20AM3.61m
1:48PM3.37m
2:08AM3.63m
2:41PM3.27m
3:01AM3.61m
3:40PM3.17m
4:01AM3.59m
4:46PM3.11m
5:06AM3.57m
5:54PM3.10m
Low Tide
00:26AM1.34m
1:21PM1.05m
1:19AM1.24m
2:09PM0.92m
2:08AM1.10m
2:52PM0.77m
2:54AM0.94m
3:32PM0.63m
3:37AM0.79m
4:10PM0.52m
4:20AM0.67m
4:48PM0.46m
5:02AM0.58m
5:27PM0.46m
5:46AM0.54m
6:06PM0.52m
6:32AM0.55m
6:49PM0.63m
7:21AM0.61m
7:34PM0.76m
8:15AM0.69m
8:25PM0.91m
9:15AM0.78m
9:23PM1.03m
10:20AM0.84m
10:28PM1.09m
11:29AM0.84m
Wave
height (m) 
direction
period (s) 
0.9
WNW
6
0.9
WNW
5
0.7
WNW
4
0.5
W
5
0.4
SSW
8
0.6
SW
5
0.7
SW
6
1
W
6
1
W
6
0.3
SW
8
0.2
SSW
7
0.1
SE
8
0.1
SE
9
0.5
SW
3
0.8
WSW
4
0.8
SSW
9
0.5
SSW
9
0.4
SSW
8
0.6
SSW
8
0.6
SSW
6
1.3
WNW
6
1.4
WNW
7
1.3
WNW
7
1
WNW
6
0.7
W
4
0.5
W
3
0.4
WNW
3
0.6
W
4
0.8
SSW
9
0.7
SW
8
0.5
SW
8
0.4
SSW
8
0.4
SW
8
0.7
NNE
3
0.9
N
3
1
S
10
1.1
SSW
11
0.8
SSW
10
0.7
SSW
10
0.6
SSW
9
0.6
SW
6
0.7
SSW
8
0.6
SW
8
0.7
SW
8
1.1
W
5
1.1
W
6
0.7
W
6
cloud
clear
clear
part cloud
cloud
part cloud
light snow
cloud
part cloud
clear
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
mod rain
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
light snow
light snow
light snow
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
cloud
part cloud
cloudy
clear
clear
some clouds
cloudy
some clouds
light snow
cloudy
some clouds
clear
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
mod rain
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
light snow
light snow
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
clear
cloudy
some clouds
 km/h
40
NW
45
NW
35
NW
20
WNW
15
SW
20
SW
25
WNW
45
NW
45
N
15
NNE
10
ENE
5
SSE
10
S
25
SSW
30
SW
15
W
10
NW
5
SW
30
ESE
25
N
65
NNW
60
NNW
55
NNW
45
NW
30
NW
30
NW
25
NW
30
NW
35
NW
30
NW
15
N
20
ENE
15
ENE
40
NNE
50
NNE
50
N
40
NNW
25
WNW
25
WSW
20
WSW
5
NNW
25
NW
10
NNE
30
NW
45
WNW
45
NW
30
NNW
 mm 
7
max°C
1
-3
-2
0
1
2
1
-5
0
0
-3
-2
-1
0
2
3
3
3
3
3
1
-7
-12
-7
-4
-3
-2
0
-1
0
0
-3
-2
-2
-5
-4
-5
-6
-3
2
2
2
0
-3
-3
-3
-5
Moonrise
5:22
6:03
6:37
7:05
7:29
7:50
8:09
8:29
8:51
9:17
9:49
10:30
11:23
12:28
1:42
Moonset
1:40
2:45
3:55
5:06
6:18
7:29
8:42
9:56
11:12
12:31
1:49
3:04
4:08
5:00
5:41
Sunrise
7:24
7:22
7:22
7:20
7:18
7:16
7:16
7:13
7:13
7:11
7:09
7:07
7:05
7:05
7:03
7:01
Sunset
5:50
5:51
5:52
5:53
5:54
5:57
5:58
5:59
6:00
6:01
6:02
6:05
6:06
6:07
6:07
6:09
Today's sea temperature in Flat Island is
0.6° C
(Statistics for 12 Feb 1981-2005 – mean: 3.1 max: 4.4 min: 2.0°C)
Issued (local time): 7 pm Thursday 12 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest