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 08:52 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Tue night, min 6°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the NW by Thu afternoon).

Days 5–7 Weather Summary

Moderate rain (total 18mm), heaviest on Sat afternoon. Cool air temperatures (max 12°C on Mon afternoon, min 6°C on Sat afternoon). Winds decreasing (strong winds from the E on Sat morning, calm by Sun night).

Days 8–10 Weather Summary

Mostly dry. Very mild (max 18°C on Wed afternoon, min 12°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 15°C on Thu night, min 10°C on Sun night). Winds increasing (light winds from the NNW on Thu night, fresh winds from the WSW by Sat afternoon).

Days 14–17 Weather Summary

Mostly dry. Very mild (max 15°C on Mon afternoon, min 10°C on Mon night). Wind will be generally light.

Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thu
11
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
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High Tide
7:46PM3.37m
8:14AM3.14m
8:35PM3.44m
9:05AM3.16m
9:20PM3.52m
9:52AM3.20m
10:04PM3.58m
10:37AM3.24m
10:45PM3.62m
11:20AM3.25m
11:26PM3.62m
12:01PM3.24m
00:07AM3.59m
12:43PM3.20m
00:47AM3.52m
1:25PM3.13m
1:29AM3.42m
2:07PM3.06m
2:11AM3.31m
2:51PM2.99m
2:55AM3.19m
3:36PM2.96m
3:42AM3.10m
4:22PM2.97m
4:33AM3.03m
5:10PM3.05m
5:27AM3.02m
6:00PM3.17m
Low Tide
2:02AM0.77m
2:11PM0.87m
2:52AM0.75m
2:55PM0.94m
3:37AM0.75m
3:37PM1.01m
4:19AM0.76m
4:17PM1.07m
4:59AM0.77m
4:56PM1.11m
5:39AM0.78m
5:35PM1.13m
6:18AM0.79m
6:15PM1.15m
6:58AM0.79m
6:57PM1.15m
7:38AM0.79m
7:39PM1.14m
8:20AM0.79m
8:25PM1.13m
9:03AM0.80m
9:14PM1.10m
9:47AM0.81m
10:06PM1.06m
10:34AM0.82m
11:01PM0.99m
11:23AM0.84m
Wave
Height (m)
Direction
Period (s)
0.9
SSW
8
0.8
SSW
7
0.7
SW
7
0.7
SSW
7
0.7
SSW
7
0.9
WNW
4
0.7
NNW
3
0.6
S
8
0.6
NW
3
0.3
SSE
8
0.6
ESE
3
0.8
ESE
3
0.6
NE
3
0.7
SSE
8
0.9
WNW
5
0.5
SSE
9
0.4
SE
8
0.4
SSW
12
0.5
S
10
0.4
SSW
9
0.4
SSW
8
0.5
S
8
0.5
S
8
0.4
S
8
0.4
S
8
0.3
S
8
0.4
S
9
0.5
S
8
0.6
S
8
0.6
SSW
8
0.8
SSW
8
0.9
SSW
8
1
SW
6
1
SW
7
1
SW
8
1.1
SW
8
0.8
SW
8
0.6
SW
7
0.5
SW
7
0.5
SW
7
0.4
SSW
7
0.6
SSW
8
0.9
SSW
10
0.7
SSW
10
0.8
SSW
11
0.6
SSW
9
0.5
SSW
9
clear
clear
cloud
cloud
part cloud
clear
cloud
part cloud
clear
cloud
light rain
heavy rain
light rain
part cloud
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
cloudy
cloudy
some clouds
clear
cloudy
some clouds
clear
cloudy
light rain
heavy rain
light rain
some clouds
cloudy
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
km/h
25
SW
15
WSW
15
SW
20
ESE
25
NNW
40
NW
30
NNW
25
N
25
NW
10
NNE
35
E
40
E
30
NE
30
NNE
35
NW
25
NNW
10
SW
15
SSW
10
S
10
W
15
W
20
W
20
W
20
W
10
W
10
SE
15
SE
10
WSW
10
SSW
15
W
30
WSW
30
WSW
35
WSW
20
WSW
25
W
35
WNW
10
WNW
15
WSW
15
W
15
N
15
N
25
NW
15
WNW
10
WNW
15
W
10
NW
10
WNW
3
11
4
max °C
14
11
11
11
9
9
8
7
7
8
7
6
7
8
10
11
10
12
14
14
14
16
15
18
17
16
15
15
12
11
13
12
13
12
12
12
12
12
15
15
11
11
11
11
12
11
12
Moonrise
5:37
6:42
7:48
8:51
9:51
10:43
11:28
12:04
12:33
12:58
1:19
1:39
1:59
2:19
2:42
Moonset
3:30
3:51
4:16
4:46
5:22
6:07
6:59
7:59
9:04
10:10
11:17
12:24
1:32
2:42
3:56
Sunrise
5:48
5:48
5:47
5:47
5:46
5:46
5:45
5:45
5:43
5:43
5:43
5:43
5:43
5:43
5:41
5:41
Sunset
8:52
8:52
8:53
8:54
8:55
8:57
8:57
8:58
8:59
9:00
9:00
9:00
9:01
9:01
9:02
9:04
Today's sea temperature in Flat Island is
7.9° C
(Statistics for 26 May 1981-2005 – mean: 7.6 max: 9.3 min: 6.2°C)
Issued (local time): 8 pm Tuesday 26 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest