Mastic Sea Conditions and Tide Table

Mastic 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 04:24 PM.

Days 1–4 Weather Summary

Moderate rain (total 14mm), heaviest on Fri morning. Icy conditions (max 13°C on Thu night, min -1°C on Fri night). Winds decreasing (gales from the S on Fri morning, light winds from the W by Sat morning).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 5°C on Sun afternoon, min -3°C on Sun night). Winds increasing (light winds from the WNW on Mon night, strong winds from the WSW by Tue morning).

Days 8–10 Weather Summary

Moderate rain (total 10mm), heaviest on Fri morning. Very mild (max 14°C on Fri morning, min 3°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the SW by Fri morning).

Days 11–13 Weather Summary

Some drizzle, heaviest during Mon morning. Freeze-thaw conditions (max 5°C on Sat afternoon, min -1°C on Sat night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
10:18PM0.13m
10:33AM0.17m
10:57PM0.13m
11:10AM0.17m
11:36PM0.13m
11:46AM0.17m
00:14AM0.13m
12:22PM0.17m
00:53AM0.13m
1:00PM0.16m
1:35AM0.13m
1:41PM0.16m
2:20AM0.13m
2:28PM0.16m
3:09AM0.14m
3:19PM0.15m
3:59AM0.14m
4:13PM0.15m
4:52AM0.15m
5:11PM0.14m
5:49AM0.16m
6:15PM0.14m
6:50AM0.17m
Low Tide
4:36PM0.00m
4:31AM0.01m
5:19PM-0.00m
5:13AM0.01m
6:00PM-0.00m
5:54AM0.01m
6:39PM-0.00m
6:32AM0.01m
7:17PM-0.00m
7:10AM0.01m
7:53PM-0.00m
7:48AM0.01m
8:30PM-0.00m
8:29AM0.02m
9:09PM0.00m
9:19AM0.02m
9:54PM0.00m
10:25AM0.02m
10:49PM0.00m
11:41AM0.02m
11:52PM0.00m
12:52PM0.01m
00:53AM-0.00m
Wave
height (m) 
direction
period (s) 
1
S
7
1.6
S
6
4
SSE
8
3.5
SSE
10
3.5
SSE
11
1.8
SSE
10
1.2
SSE
10
1.8
SSW
6
2.2
SSW
8
2.1
SSW
7
1.6
W
6
0.9
SSW
7
0.7
SE
10
0.4
SE
10
1
SW
4
1.7
SW
6
1.1
SSW
6
0.7
SSW
6
0.5
SSW
6
0.3
SSW
5
1
SSW
4
1.5
SSW
6
1.3
SSW
6
2.2
SSW
7
1.9
SSW
8
1.3
S
8
1.2
S
7
0.9
S
7
0.7
S
6
0.5
S
6
0.4
SE
6
0.3
E
8
0.5
SW
3
0.5
WSW
3
0.5
SE
10
0.4
SE
10
clear
rain showers
mod rain
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
light rain
light rain
light rain
part cloud
light rain
clear
clear
clear
clear
cloud
part cloud
rain showers
clear
clear
clear
clear
rain shwrs
mod rain
rain shwrs
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
light rain
light rain
light rain
some clouds
light rain
clear
clear
clear
clear
cloudy
some clouds
rain shwrs
clear
clear
clear
 km/h
20
SE
35
S
65
S
40
WSW
40
W
20
WNW
20
SW
40
SW
30
W
30
WNW
35
WNW
25
NW
15
NW
10
WSW
30
SW
30
WSW
20
WNW
15
NW
10
NW
5
S
25
SSW
30
SW
25
SW
35
SW
15
WNW
5
NNW
30
NNW
25
NNW
20
N
15
NNE
10
ENE
10
S
15
WSW
20
N
20
N
5
NNW
 mm 
2
10
2
2
2
5
1
1
max°C
11
13
13
9
0
1
3
7
7
5
-1
-1
0
2
4
1
2
3
4
5
6
7
9
14
13
11
6
5
1
1
1
5
5
5
1
2
Moonrise
7:10
8:01
8:46
9:23
9:54
10:20
10:43
11:05
11:27
11:51
12:18
12:51
Moonset
3:47
4:42
5:44
6:50
7:57
9:03
10:11
11:18
12:28
1:41
2:58
Sunrise
7:09
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:15
Sunset
4:24
4:25
4:25
4:27
4:27
4:28
4:28
4:29
4:29
4:30
4:30
4:31
Today's sea temperature in Mastic is
7.0° C
(Statistics for 18 Dec 1981-2005 – mean: 9.0 max: 12.1 min: 7.2°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest