Smith Island (Coast Guard Station) Sea Conditions and Tide Table

Smith Island (Coast Guard Station) 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 06:37 AM and sunset is at 04:57 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Sun night. Cool air temperatures (max 18°C on Sun night, min 2°C on Tue morning). Winds increasing (moderate winds from the SSW on Sun night, strong winds from the WNW by Mon night).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Fri afternoon, min 8°C on Thu morning). Winds decreasing (fresh winds from the WNW on Wed night, light winds from the WSW by Fri morning).

Days 7–9 Weather Summary

Moderate rain (total 13mm), heaviest on Mon morning. Very mild (max 18°C on Mon afternoon, min 7°C on Mon night). Winds increasing (light winds from the ESE on Sat night, gales from the WNW by Mon night).

Days 10–12 Weather Summary

Heavy rain (total 35mm), heaviest during Thu night. Very mild (max 16°C on Thu night, min 6°C on Tue night). Winds increasing (calm on Thu morning, gales from the ESE by Thu night).

Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Fri
21
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
Wave Height Map
High Tide
12:00PM1.38m
00:24AM0.93m
1:02PM1.26m
1:31AM0.90m
2:07PM1.17m
2:44AM0.92m
3:13PM1.10m
3:51AM0.97m
4:11PM1.06m
4:45AM1.04m
5:00PM1.02m
5:28AM1.11m
5:42PM1.00m
6:07AM1.18m
6:20PM0.99m
6:44AM1.24m
6:58PM0.98m
7:22AM1.28m
7:37PM0.97m
8:01AM1.30m
8:16PM0.95m
8:40AM1.31m
Low Tide
7:19PM0.12m
7:09AM0.09m
8:21PM0.17m
8:15AM0.16m
9:22PM0.19m
9:24AM0.20m
10:17PM0.19m
10:30AM0.22m
11:06PM0.17m
11:31AM0.20m
11:48PM0.15m
12:24PM0.18m
00:26AM0.12m
1:10PM0.15m
1:02AM0.10m
1:50PM0.12m
1:37AM0.08m
2:28PM0.11m
2:13AM0.07m
3:06PM0.12m
2:50AM0.08m
3:45PM0.14m
Wave
height (m) 
direction
period (s) 
1.1
N
4.0
0.8
SE
7.0
0.9
NNW
4.0
1.3
NW
4.0
1.2
WNW
4.0
0.9
WSW
4.0
1.4
SSW
5.0
1.3
SW
5.0
0.9
W
4.0
0.8
NW
4.0
0.8
NW
4.0
0.7
NNW
4.0
0.4
ESE
9.0
0.3
ESE
9.0
0.6
SW
3.0
0.4
NE
4.0
0.6
NNE
4.0
0.6
NE
5.0
0.5
E
15.0
0.5
E
14.0
0.7
S
3.0
0.8
SSE
4.0
0.9
SSE
4.0
2.1
NW
6.0
1.8
NW
5.0
1.6
NW
5.0
1.6
NNW
5.0
1.5
N
5.0
1.3
ENE
10.0
0.9
ENE
10.0
0.9
ENE
10.0
0.8
ENE
11.0
1.2
ENE
11.0
2.3
ESE
8.0
2
ESE
9.0
rain showers
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
rain showers
rain showers
rain showers
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
rain showers
rain showers
light rain
rain shwrs
clear
some clouds
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
rain shwrs
rain shwrs
rain shwrs
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
rain shwrs
rain shwrs
light rain
 km/h
30
NW
30
W
30
NW
45
WNW
40
W
35
WSW
40
SW
40
WSW
30
W
30
NW
30
WNW
25
NNW
15
NW
15
WSW
30
WSW
20
NNW
20
N
10
NE
10
S
10
SSE
25
SSW
30
S
30
SSW
65
WNW
55
WNW
50
NW
45
NW
40
NNW
30
NNW
15
N
10
NE
15
ESE
30
ESE
40
SSW
30
SSW
 mm 
2
10
2
1
30
3
1
max°C
9
11
7
4
8
7
12
14
13
10
13
11
11
14
13
12
11
11
14
17
16
17
18
9
10
11
8
9
11
9
9
10
16
14
9
Moonrise
10:05
11:14
12:19
1:21
2:21
3:19
4:18
5:17
6:18
7:18
8:17
Moonset
12:11
12:47
1:17
1:42
2:05
2:27
2:49
3:13
3:39
4:10
4:46
5:29
Sunrise
6:37
6:37
6:39
6:39
6:41
6:41
6:43
6:43
6:45
6:46
6:47
6:48
Sunset
4:57
4:55
4:54
4:54
4:53
4:52
4:52
4:52
4:51
4:51
4:50
4:50
Today's sea temperature in Smith Island (Coast Guard Station) is 15.2 °C (Statistics for 10 Nov 1981-2005 – mean: 16.1 max: 18.2 min: 13.9°C)
Issued (local time): 12 am Monday 10 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest