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 07:20 AM and sunset is at 05:54 PM.

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Sun afternoon. Turning milder with heavy rain (total 23mm), heaviest during Sun night. Icy conditions (max 9°C on Sun night, min -7°C on Tue morning). Winds increasing (light winds from the NE on Sun morning, severe gales from the W by Mon night).

Days 4–6 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max 0°C on Thu night, min -6°C on Wed morning). Winds increasing (light winds from the ENE on Thu morning, strong winds from the NNW by Thu night).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Mon night, min -5°C on Sat morning). Winds decreasing (fresh winds from the NW on Sat morning, light winds from the NNE by Sun night).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Wed morning. Freeze-thaw conditions (max 2°C on Wed night, min -8°C on Thu night). Winds increasing (light winds from the NNW on Tue morning, strong winds from the NW by Thu morning).

Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
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
12:48PM3.31m
1:11AM3.33m
1:30PM3.20m
1:51AM3.30m
2:14PM3.09m
2:33AM3.26m
3:01PM2.99m
3:19AM3.23m
3:54PM2.90m
4:11AM3.20m
4:51PM2.85m
5:07AM3.20m
5:51PM2.84m
6:05AM3.24m
6:50PM2.89m
7:02AM3.32m
7:44PM2.98m
7:55AM3.43m
8:33PM3.11m
8:45AM3.54m
9:19PM3.26m
9:32AM3.64m
10:03PM3.43m
Low Tide
6:27AM0.76m
6:44PM0.75m
7:08AM0.84m
7:21PM0.90m
7:50AM0.95m
7:59PM1.06m
8:36AM1.05m
8:42PM1.21m
9:27AM1.14m
9:30PM1.32m
10:22AM1.19m
10:24PM1.37m
11:21AM1.16m
11:22PM1.35m
12:19PM1.07m
00:21AM1.25m
1:14PM0.91m
1:16AM1.08m
2:05PM0.72m
2:09AM0.88m
2:52PM0.54m
2:59AM0.67m
3:36PM0.39m
3:49AM0.49m
Wave
height (m) 
direction
period (s) 
0.4
E
2
1.1
SE
5
1.4
SW
11
1.4
SW
12
1.4
SW
12
1.5
WSW
11
1.4
WSW
11
1.4
WSW
10
1.3
WSW
9
1.2
WSW
8
0.9
WSW
7
0.6
WSW
6
0.4
SW
5
0.6
NE
3
0.8
NW
3
1.1
WNW
6
1.1
WNW
6
0.9
W
6
0.7
WNW
5
0.5
SSW
8
0.4
SSW
8
0.6
WNW
3
0.5
NW
3
0.2
SSW
7
0.2
SSW
6
0.3
SE
2
0.2
S
9
0.2
SSE
6
0.4
SSE
9
0.6
S
10
0.8
S
10
0.9
SSE
9
1.1
SSW
10
1.2
W
7
1
SSW
10
0.4
SSW
9
light snow
mod snow
heavy rain
light snow
light snow
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
clear
clear
cloud
cloud
cloud
part cloud
part cloud
part cloud
light snow
light snow
part cloud
cloud
clear
part cloud
light snow
mod snow
heavy rain
light snow
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
clear
clear
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
light snow
light snow
some clouds
cloudy
clear
some clouds
 km/h
30
E
60
E
60
SW
65
W
75
W
85
W
75
WNW
60
WNW
50
WNW
35
WNW
35
WNW
20
W
15
E
35
NE
45
NNW
45
NW
45
NW
40
NW
35
NW
25
NW
20
NNW
30
NW
25
NW
10
ENE
10
SSE
15
ESE
10
NE
10
NNW
15
W
15
SSE
35
NNE
40
NW
40
WNW
45
NW
40
NW
10
NE
 mm 
23
max°C
-5
0
9
0
-3
-2
-6
-6
-6
-5
-4
-1
-2
-1
0
-2
-1
0
-5
-4
-2
-3
-4
-3
-2
-1
0
0
1
1
0
1
2
-3
-6
-5
Moonrise
10:18
11:22
12:26
1:32
2:38
3:41
4:38
5:26
6:05
6:36
7:02
Moonset
8:56
9:14
9:34
9:57
10:25
11:02
11:49
12:48
1:57
3:13
4:32
5:52
Sunrise
7:20
7:18
7:16
7:16
7:13
7:13
7:11
7:09
7:07
7:05
7:05
7:03
Sunset
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 0.3 °C (Statistics for 16 Feb 1981-2005 – mean: 3.0 max: 4.4 min: 2.0°C)
Issued (local time): 7 am Sunday 16 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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