Port Harmon Sea Conditions and Tide Table

Port Harmon 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 08:14 AM and sunset is at 04:32 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Thu night. Air temperatures will be below freezing (max 0°C on Sat afternoon, min -7°C on Thu morning). Winds decreasing (strong winds from the N on Thu night, light winds from the NW by Sat night).

Days 4–6 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Tue afternoon. Icy conditions (max 3°C on Tue morning, min -4°C on Tue night). Winds increasing (calm on Sun morning, near gales from the SW by Tue afternoon).

Days 7–9 Weather Summary

A light covering of new snow, mostly falling on Thu night. Becoming milder with moderate rain (total 11mm) heaviest on Fri morning. Freeze-thaw conditions (max 5°C on Fri night, min -5°C on Fri night). Winds decreasing (strong winds from the SW on Wed morning, calm by Thu night).

Days 10–12 Weather Summary

A moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 3°C on Mon night, min -9°C on Sun morning). Winds decreasing (fresh winds from the WNW on Sat morning, light winds from the NW by Sat night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
Wave Height Map
High Tide
2:16PM1.36m
2:08AM1.16m
3:01PM1.32m
3:13AM1.15m
3:50PM1.27m
4:28AM1.17m
4:45PM1.20m
5:45AM1.22m
5:45PM1.14m
6:57AM1.29m
6:46PM1.10m
8:03AM1.38m
7:45PM1.08m
9:04AM1.47m
8:42PM1.09m
10:00AM1.54m
9:36PM1.12m
10:51AM1.58m
10:26PM1.15m
11:38AM1.58m
11:14PM1.18m
12:21PM1.55m
11:59PM1.20m
Low Tide
7:26AM0.32m
8:21PM0.60m
8:15AM0.38m
9:10PM0.54m
9:11AM0.46m
10:05PM0.47m
10:24AM0.54m
11:08PM0.40m
11:54AM0.60m
00:13AM0.32m
1:16PM0.60m
1:15AM0.24m
2:28PM0.57m
2:15AM0.15m
3:32PM0.54m
3:09AM0.07m
4:25PM0.51m
4:01AM0.02m
5:11PM0.49m
4:48AM0.01m
5:52PM0.50m
5:33AM0.04m
6:30PM0.51m
Wave
height (m) 
direction
period (s) 
0.4
NE
3
1.6
NNW
5
1.6
NNW
5
1.1
NNW
4
1.2
NNW
4
1
N
4
1.9
NNW
6
2.1
NNW
6
1.3
WNW
8
0.9
WNW
9
0.6
WNW
9
0.6
W
8
0.4
WNW
7
0.4
WNW
6
0.4
SE
2
1.1
SW
5
2.5
WSW
8
2.5
WSW
9
2.1
WSW
9
1.5
WSW
8
1.3
WSW
7
1.5
WSW
6
1.4
SW
6
0.8
WSW
7
1.1
SSW
4
0.9
SW
6
0.9
WSW
5
1.2
W
7
0.8
W
7
0.5
W
6
1
WNW
5
1.3
WNW
6
1
W
6
1.1
SW
5
1.3
SSW
5
1
SW
5
part cloud
cloud
light snow
light snow
cloud
light snow
light snow
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
light rain
light snow
cloud
cloud
cloud
light snow
light snow
cloud
light snow
light rain
light rain
light snow
light snow
cloud
light snow
light snow
light snow
cloud
light snow
cloud
light snow
some clouds
cloudy
light snow
light snow
cloudy
light snow
light snow
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
light rain
light snow
cloudy
cloudy
cloudy
light snow
light snow
cloudy
light snow
light rain
light rain
light snow
light snow
cloudy
light snow
light snow
light snow
cloudy
light snow
cloudy
light snow
 km/h
15
NNE
30
N
40
NNW
30
NNW
20
N
30
NNE
35
N
35
N
10
NNW
5
ENE
5
NW
15
WSW
15
W
10
W
15
ESE
25
WSW
45
SW
45
SW
40
SW
30
SW
25
SSW
30
SW
30
S
5
ESE
30
S
15
S
30
WNW
35
WNW
20
WNW
5
WNW
30
NW
35
NW
30
W
25
SSW
35
SSE
35
WSW
 mm 
1
5
3
3
max°C
-3
-1
-2
-5
-5
-4
-1
0
0
1
1
0
-1
-1
1
3
-1
-3
-3
-3
-3
-3
1
2
4
4
5
-6
-7
-7
-8
-9
-6
-5
0
3
Moonrise
11:26
11:41
11:55
12:11
12:31
12:55
1:30
2:18
3:24
4:44
6:10
7:35
Moonset
10:33
11:49
1:06
2:27
3:52
5:20
6:45
7:58
8:54
9:34
10:01
Sunrise
8:14
8:15
8:15
8:15
8:15
8:15
8:15
8:15
8:15
8:15
8:15
8:15
Sunset
4:32
4:34
4:35
4:35
4:36
4:37
4:37
4:38
4:39
4:40
4:42
4:43
Today's sea temperature in Port Harmon is
2.4° C
(Statistics for 25 Dec 1981-2005 – mean: 1.3 max: 2.5 min: 0.1°C)
Issued (local time): 1 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest