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 07:47 AM and sunset is at 05:25 PM.

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Sun night. Air temperatures will be below freezing (max -2°C on Mon morning, min -11°C on Sun morning). Winds increasing (light winds from the N on Sun afternoon, gales from the ENE by Mon morning).

Days 4–6 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -3°C on Wed night, min -7°C on Fri night). Winds decreasing (strong winds from the WNW on Wed afternoon, light winds from the NNW by Fri night).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -2°C on Sun afternoon, min -7°C on Sat morning). Winds increasing (light winds from the N on Sat night, strong winds from the NW by Sun afternoon).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Tue night, min -2°C on Tue morning). Winds increasing (calm on Wed morning, fresh winds from the NNW by Thu afternoon).

Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Mon
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
3:00PM3.19m
3:26AM3.46m
3:58PM3.13m
4:22AM3.52m
5:02PM3.11m
5:24AM3.60m
6:08PM3.13m
6:27AM3.68m
7:13PM3.20m
7:30AM3.78m
8:13PM3.30m
8:28AM3.85m
9:09PM3.40m
9:23AM3.89m
10:00PM3.48m
10:15AM3.88m
10:49PM3.54m
11:04AM3.82m
11:36PM3.55m
11:52AM3.70m
00:21AM3.54m
12:39PM3.56m
1:06AM3.49m
1:26PM3.40m
1:51AM3.43m
2:13PM3.24m
2:37AM3.36m
3:03PM3.09m
Low Tide
8:35AM0.78m
8:50PM0.83m
9:33AM0.82m
9:44PM0.94m
10:36AM0.83m
10:44PM1.01m
11:42AM0.81m
11:47PM1.03m
12:47PM0.73m
00:52AM0.98m
1:50PM0.62m
1:54AM0.87m
2:47PM0.49m
2:53AM0.74m
3:41PM0.38m
3:49AM0.62m
4:31PM0.31m
4:42AM0.54m
5:17PM0.30m
5:32AM0.51m
6:02PM0.36m
6:21AM0.55m
6:45PM0.49m
7:09AM0.64m
7:27PM0.66m
7:56AM0.77m
8:10PM0.86m
8:46AM0.91m
Wave
height (m) 
direction
period (s) 
0.7
W
6
0.3
W
5
1
ESE
4
1.4
SSE
9
1.2
SSW
11
1.1
SSW
11
1.3
SSW
10
1.3
SW
10
1
SW
8
1.2
SW
9
1.1
SW
8
0.7
SW
8
0.6
SW
8
0.6
NNE
3
0.7
WNW
4
0.7
W
6
0.8
W
5
0.8
SW
7
0.6
SW
7
0.6
SW
7
0.3
SW
6
0.9
WNW
5
1.1
WNW
6
0.9
WNW
6
0.9
WNW
6
0.7
WNW
5
0.3
W
4
0.2
W
3
0.2
SSW
6
0.4
SW
3
0.3
SW
3
0.1
SW
3
0.4
NNE
3
0.4
N
3
0.6
NW
3
0.5
SSE
9
0.5
S
9
0.5
SW
6
1.2
W
5
1.4
W
8
1.5
W
8
1.5
W
8
1.3
W
8
1.4
W
8
1.4
W
8
1.2
W
7
1.1
W
7
cloud
cloud
heavy snow
light snow
light snow
light snow
light snow
cloud
light snow
cloud
cloud
cloud
cloud
light snow
light snow
cloud
cloud
light snow
part cloud
cloud
part cloud
cloud
cloud
cloud
clear
clear
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
light snow
light snow
cloudy
cloudy
heavy snow
light snow
light snow
light snow
light snow
cloudy
light snow
cloudy
cloudy
cloudy
cloudy
light snow
light snow
cloudy
cloudy
light snow
some clouds
cloudy
some clouds
cloudy
cloudy
cloudy
clear
clear
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
light snow
light snow
 km/h
30
NW
10
N
55
E
60
ENE
45
NE
25
NW
50
NW
40
WNW
25
NNW
45
NW
40
WNW
20
WNW
25
ENE
30
NNE
35
NW
30
WNW
30
W
10
NNW
20
NNE
30
NNW
15
NNW
40
NW
45
NW
40
NW
40
NW
35
NW
15
WNW
10
W
15
SW
20
SW
5
WNW
10
NE
25
NNE
25
N
35
NNW
25
NW
20
WNW
15
WNW
55
NW
60
NW
65
NW
60
NW
50
NW
55
WNW
55
WNW
45
NW
45
NW
 mm 
max°C
-11
-10
-5
-2
-2
-2
-3
-4
-3
-5
-4
-3
-6
-5
-4
-5
-4
-4
-7
-5
-3
-3
-2
-2
-5
-4
-2
-1
0
2
2
1
1
-1
0
1
1
1
2
-6
-8
-9
-10
-8
-9
-9
-5
Moonrise
10:47
11:14
11:48
12:33
1:32
2:43
4:02
5:22
6:39
7:52
9:03
10:10
11:17
12:22
1:28
Moonset
12:06
1:23
2:42
4:00
5:14
6:16
7:05
7:42
8:11
8:35
8:55
9:14
9:32
9:52
10:14
10:41
Sunrise
7:47
7:46
7:45
7:43
7:43
7:41
7:41
7:39
7:39
7:37
7:35
7:35
7:33
7:33
7:31
7:30
Sunset
5:25
5:27
5:28
5:30
5:30
5:31
5:34
5:35
5:36
5:37
5:38
5:40
5:42
5:43
5:45
5:45
Today's sea temperature in Flat Island is
2.5° C
(Statistics for 25 Jan 1981-2005 – mean: 3.8 max: 5.5 min: 3.1°C)
Issued (local time): 1 am Sunday 25 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest