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 09:05 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Sat night, min 16°C on Tue afternoon). Winds increasing (light winds from the WSW on Sun afternoon, strong winds from the SSW by Tue afternoon).

Days 5–7 Weather Summary

Light rain (total 6mm), mostly falling on Tue night. Cool air temperatures (max 18°C on Wed night, min 15°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, light winds from the WNW by Fri morning).

Days 8–10 Weather Summary

Moderate rain (total 11mm), heaviest on Mon afternoon. Very mild (max 17°C on Fri night, min 12°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 17mm), heaviest on Wed night. Very mild (max 18°C on Tue afternoon, min 13°C on Mon night). Mainly fresh winds.

Days 14–17 Weather Summary

Heavy rain (total 23mm), heaviest during Sat afternoon. Warm (max 22°C on Sun afternoon, min 15°C on Sat night). Winds decreasing (fresh winds from the SSW on Fri morning, light winds from the NE by Sun night).

Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Mon
27
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
8:13PM3.78m
8:56AM3.29m
9:11PM3.91m
9:53AM3.40m
10:07PM4.00m
10:48AM3.48m
11:02PM4.04m
11:41AM3.54m
11:55PM4.00m
12:32PM3.57m
00:47AM3.90m
1:23PM3.57m
1:39AM3.74m
2:13PM3.53m
2:31AM3.56m
3:03PM3.48m
3:24AM3.37m
3:54PM3.42m
4:19AM3.20m
4:46PM3.37m
5:15AM3.07m
5:40PM3.34m
6:13AM3.00m
6:34PM3.34m
7:11AM2.97m
7:28PM3.36m
8:06AM2.99m
8:19PM3.40m
Low Tide
2:28AM0.61m
2:32PM0.87m
3:27AM0.48m
3:31PM0.77m
4:24AM0.36m
4:29PM0.67m
5:18AM0.27m
5:26PM0.58m
6:11AM0.23m
6:22PM0.52m
7:02AM0.24m
7:18PM0.52m
7:53AM0.32m
8:14PM0.57m
8:42AM0.46m
9:10PM0.66m
9:31AM0.64m
10:06PM0.77m
10:21AM0.83m
11:03PM0.89m
11:12AM1.02m
00:01AM0.99m
12:04PM1.16m
00:57AM1.04m
12:56PM1.26m
1:51AM1.05m
1:48PM1.28m
Wave
Height (m)
Direction
Period (s)
0.4
SSW
6
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.2
SSW
7
0.3
SSW
7
0.6
SW
4
0.8
SW
5
1.1
SW
6
1.4
SW
7
1.1
SW
8
1.1
SW
8
0.8
SW
7
0.7
SW
7
0.9
SW
7
0.8
SW
7
0.6
SW
6
0.5
SW
6
0.6
SSW
6
0.5
S
14
0.4
S
13
0.5
S
13
0.3
S
13
0.3
S
13
0.4
S
12
0.6
S
6
0.5
S
7
0.5
S
7
0.6
SSW
10
0.8
SSW
10
0.6
SSW
9
0.6
SSW
9
0.5
SSW
9
0.6
SSW
8
0.6
SSW
8
1
SSW
10
1
SSW
9
1.1
SSW
9
1.2
SSW
9
1
SSW
9
0.9
SSW
9
0.8
SSW
9
0.8
SSW
9
0.9
SW
9
0.9
SW
9
0.7
SW
9
0.5
SSW
8
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
light rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
light rain
mod rain
cloud
part cloud
clear
clear
clear
clear
rain showers
light rain
light rain
cloud
cloud
cloud
light rain
light rain
heavy rain
rain showers
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
rain shwrs
light rain
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
light rain
mod rain
cloudy
some clouds
clear
clear
clear
clear
rain shwrs
light rain
light rain
cloudy
cloudy
cloudy
light rain
light rain
heavy rain
rain shwrs
cloudy
some clouds
clear
clear
km/h
15
NW
10
N
10
WSW
15
W
10
WSW
20
SSW
25
SSW
35
SSW
35
SW
50
SW
25
WSW
20
WNW
25
SW
15
SSE
25
W
20
WNW
15
WNW
20
W
20
W
10
WNW
20
W
20
SW
10
S
15
SSE
20
E
25
ENE
10
NE
20
NW
20
NW
20
WNW
15
SW
15
S
15
SSE
25
ESE
25
N
10
S
15
SSW
25
SSW
30
SSW
20
SSW
10
NW
15
NE
15
NNE
15
N
30
WNW
10
NE
10
E
 mm
5
1
3
8
14
1
2
3
3
15
2
max °C
21
19
19
21
19
19
19
17
16
16
15
17
18
16
17
17
15
17
17
13
15
16
16
17
17
17
16
15
15
18
18
17
18
17
17
18
18
19
18
18
17
17
16
18
22
21
18
Moonrise
3:17
4:26
5:46
7:09
8:30
9:47
11:00
12:09
1:17
2:24
3:30
4:35
5:38
6:35
7:24
Moonset
8:00
8:56
9:39
10:12
10:38
11:00
11:20
11:39
11:59
12:22
12:49
1:21
2:00
2:48
3:44
Sunrise
5:52
5:54
5:54
5:56
5:56
5:58
5:58
5:58
6:00
6:01
6:01
6:03
6:03
6:05
6:05
6:07
Sunset
9:05
9:04
9:04
9:02
9:02
9:01
9:00
9:00
9:00
8:59
8:58
8:57
8:55
8:54
8:53
8:52
Today's sea temperature in Flat Island is
10.7° C
(Statistics for 11 Jul 1981-2005 – mean: 13.7 max: 15.8 min: 11.7°C)
Issued (local time): 8 pm Saturday 11 Jul 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest