Oak Beach, Great South Bay Sea Conditions and Tide Table

Oak Beach, Great South Bay 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 07:13 AM and sunset is at 04:50 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Icy conditions (max 8°C on Wed night, min -4°C on Thu night). Winds decreasing (strong winds from the WNW on Thu night, light winds from the SW by Fri night).

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Sun night. Icy conditions (max 5°C on Sat night, min -10°C on Mon night). Winds increasing (light winds from the WSW on Sat night, strong winds from the W by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Fri morning, min -8°C on Wed morning). Winds decreasing (fresh winds from the WSW on Wed night, calm by Thu night).

Days 10–12 Weather Summary

Heavy rain (total 25mm), mainly falling on Sat night. Becoming colder with a light covering of snow, mostly falling on Sun afternoon. Freeze-thaw conditions (max 7°C on Sat afternoon, min -18°C on Sun night). Winds increasing (light winds from the SW on Fri night, strong winds from the NW by Sun afternoon).

Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Fri
30
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
7:30AM0.20m
7:58PM0.16m
8:17AM0.21m
8:44PM0.17m
8:58AM0.22m
9:24PM0.17m
9:36AM0.22m
10:02PM0.18m
10:13AM0.23m
10:39PM0.18m
10:48AM0.23m
11:15PM0.19m
11:26AM0.22m
11:55PM0.19m
12:06PM0.21m
00:39AM0.20m
12:53PM0.20m
1:27AM0.20m
1:45PM0.20m
2:19AM0.21m
2:41PM0.18m
3:15AM0.21m
3:40PM0.17m
4:14AM0.21m
4:46PM0.17m
5:21AM0.22m
5:58PM0.17m
6:31AM0.23m
Low Tide
2:35PM0.01m
2:30AM0.02m
3:20PM0.00m
3:15AM0.01m
4:05PM-0.01m
4:00AM0.00m
4:47PM-0.02m
4:43AM-0.00m
5:26PM-0.02m
5:24AM-0.00m
6:03PM-0.02m
6:04AM-0.01m
6:37PM-0.02m
6:43AM-0.00m
7:11PM-0.02m
7:24AM-0.00m
7:47PM-0.02m
8:11AM0.01m
8:28PM-0.01m
9:11AM0.02m
9:20PM-0.01m
10:29AM0.02m
10:28PM-0.00m
11:48AM0.02m
11:42PM-0.00m
12:56PM0.00m
00:50AM-0.01m
1:56PM-0.01m
Wave
height (m) 
direction
period (s) 
1.8
SSE
7
2
S
8
1.7
WSW
5
1.8
W
6
1.3
WSW
5
2
SSW
6
1.7
S
8
1.9
S
8
1.4
S
8
1.1
S
8
0.9
S
8
1
SE
8
1.5
W
5
2.1
SW
6
1.9
WSW
6
1.3
WSW
5
1.3
WSW
5
1.3
SW
5
0.9
SE
10
0.7
SE
10
1.2
SSW
4
1.8
SSW
7
1.1
S
7
0.6
SE
10
0.7
SE
10
0.8
SE
10
0.7
SE
10
0.6
SE
9
0.8
SE
9
0.9
SE
9
1.2
SW
6
1.7
WNW
5
1.6
NW
5
1.3
NNW
5
1.2
NNW
4
0.7
N
4
0.4
SE
11
0.4
SE
10
0.7
SW
4
0.7
SSW
4
0.8
SSW
4
0.7
S
4
0.9
NW
4
1.3
SSE
8
1.3
SSE
8
1.1
SSE
8
clear
clear
clear
part cloud
part cloud
rain showers
cloud
part cloud
cloud
cloud
light snow
snow showers
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
cloud
part cloud
rain showers
mod rain
light rain
heavy rain
light snow
light snow
part cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
light snow
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
some clouds
some clouds
rain shwrs
cloudy
some clouds
cloudy
cloudy
light snow
snow shwrs
clear
clear
clear
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
clear
clear
cloudy
some clouds
rain shwrs
mod rain
light rain
heavy rain
light snow
light snow
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
cloudy
light snow
some clouds
some clouds
clear
some clouds
some clouds
 km/h
40
WSW
35
W
35
WNW
35
W
25
WSW
30
SSW
20
SW
30
WSW
15
WSW
15
NW
20
NNW
25
NW
35
W
35
WSW
35
W
25
W
30
W
20
W
20
WNW
10
W
30
SSW
25
WNW
15
NW
5
SE
20
SSW
20
SW
10
WSW
10
SW
15
SSW
10
NNW
30
NNW
35
NW
35
NW
35
NNW
30
NNW
20
NNW
5
NNW
10
S
20
SW
20
SW
20
SSW
15
WNW
20
NNW
25
NW
25
NNW
15
N
 mm 
2
3
6
3
13
max°C
4
2
-2
-2
2
5
5
7
5
2
-2
-2
-3
-1
-5
-8
-6
-5
-7
-6
2
0
0
1
3
3
5
5
7
6
-3
-7
-12
-16
-13
-14
-12
-7
0
2
2
1
-2
-1
-6
-6
Moonrise
5:03
5:58
6:45
7:25
7:58
8:26
8:50
9:12
9:34
9:57
10:22
10:52
11:29
12:16
1:16
2:26
Moonset
1:43
2:36
3:36
4:42
5:50
6:57
8:05
9:13
10:22
11:32
12:46
2:02
3:19
4:31
5:34
Sunrise
7:13
7:13
7:13
7:13
7:11
7:11
7:11
7:11
7:09
7:09
7:07
7:07
7:07
7:05
7:05
7:03
Sunset
4:50
4:51
4:52
4:53
4:54
4:55
4:57
4:58
5:00
5:00
5:01
5:02
5:04
5:06
5:07
Today's sea temperature in Oak Beach, Great South Bay is
5.3° C
(Statistics for 15 Jan 1981-2005 – mean: 6.0 max: 8.3 min: 3.9°C)
Issued (local time): 12 am Thursday 15 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest