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 07:03 AM and sunset is at 04:45 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 7°C on Sun afternoon, min -1°C on Mon morning). Winds increasing (calm on Sun afternoon, strong winds from the NNE by Sun night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Cool air temperatures (max 10°C on Wed afternoon, min 2°C on Tue night). Winds decreasing (strong winds from the SSW on Wed morning, light winds from the NE by Thu afternoon).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min -2°C on Sat night). Winds increasing (light winds from the NW on Fri night, strong winds from the NW by Sat night).

Days 10–12 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Mon night. Freeze-thaw conditions (max 9°C on Thu afternoon, min -1°C on Tue night). Winds decreasing (near gales from the NNW on Tue morning, calm by Wed night).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
9:53AM1.50m
10:12PM0.98m
10:46AM1.41m
11:06PM0.95m
11:39AM1.30m
00:03AM0.92m
12:33PM1.18m
1:03AM0.90m
1:29PM1.06m
2:06AM0.91m
2:26PM0.97m
3:08AM0.94m
3:23PM0.90m
4:04AM0.99m
4:16PM0.85m
4:53AM1.05m
5:03PM0.83m
5:36AM1.10m
5:46PM0.83m
6:17AM1.16m
6:28PM0.84m
6:58AM1.20m
Low Tide
5:02PM-0.10m
4:51AM-0.19m
5:57PM-0.05m
5:48AM-0.10m
6:52PM0.01m
6:48AM0.00m
7:46PM0.06m
7:50AM0.09m
8:39PM0.09m
8:53AM0.16m
9:28PM0.12m
9:57AM0.20m
10:14PM0.13m
10:59AM0.21m
10:59PM0.12m
11:56AM0.20m
11:42PM0.11m
12:45PM0.17m
00:25AM0.08m
1:28PM0.14m
1:06AM0.05m
2:08PM0.11m
Wave
height (m) 
direction
period (s) 
0.7
E
8
0.6
E
8
0.5
E
8
1.6
NE
6
1.9
NE
7
1.5
ENE
8
1
ENE
8
0.9
E
8
1.1
E
9
1.3
SSW
5
1.6
S
6
1.2
SSE
7
0.6
SE
7
0.5
SE
7
0.7
SSE
3
0.8
W
3
0.8
NW
4
0.5
SE
7
0.4
SE
7
0.5
NW
3
1.2
N
4
1.1
NNW
4
0.7
NNW
4
0.3
ENE
7
0.3
ESE
10
0.5
S
3
0.5
ESE
10
2
NNE
6
2.3
ENE
10
2.3
ENE
12
1.7
ENE
12
1.2
ENE
12
0.9
ENE
12
0.7
E
12
0.8
E
12
clear
cloud
part cloud
light snow
light snow
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
light rain
clear
clear
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
light snow
light snow
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
some clouds
light snow
light snow
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
light rain
clear
clear
some clouds
cloudy
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
light snow
light snow
clear
clear
clear
clear
clear
clear
clear
 km/h
5
NE
5
WSW
20
N
40
NNE
40
NNE
30
N
15
NNW
20
SW
35
SW
40
SW
45
SW
30
WSW
15
NNW
5
NE
25
SSE
30
WNW
30
NW
15
N
20
NW
25
NW
40
NW
35
NW
20
NW
15
W
15
SSW
20
S
25
N
60
NNW
55
NNW
50
NNW
30
NW
10
W
5
WSW
15
SSW
20
SSW
 mm 
2
1
max°C
6
7
7
0
0
1
3
4
4
9
10
10
6
7
10
9
8
5
3
3
0
1
3
2
4
5
2
1
1
0
2
5
6
6
9
Moonrise
7:45
8:58
10:07
11:11
12:13
1:13
2:11
3:10
4:10
5:11
6:11
Moonset
10:01
10:43
11:17
11:44
12:09
12:31
12:53
1:17
1:42
2:11
2:46
3:26
Sunrise
7:03
7:03
7:05
7:05
7:07
7:07
7:07
7:09
7:09
7:09
7:11
7:11
Sunset
4:45
4:45
4:45
4:45
4:45
4:45
4:46
4:46
4:46
4:47
4:47
4:47
Today's sea temperature in Smith Island (Coast Guard Station) is
10.7° C
(Statistics for 07 Dec 1981-2005 – mean: 13.5 max: 17.2 min: 10.8°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest