Harstad Sea Conditions and Tide Table

Harstad 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 12:00 PM and sunset is at 12:00 AM.

Days 1–3 Weather Summary

Mild with moderate rain (total 11mm) on Thu night. Becoming colder with a light covering of snow, mostly falling on Fri night. Air temperatures will be slightly above freezing (max 4°C on Wed morning, min 1°C on Fri afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 16mm) heaviest on Sat morning, then becoming colder with a dusting of snow on Sun night. Icy conditions (max 4°C on Sat afternoon, min -6°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -1°C on Thu night, min -6°C on Tue morning). Wind will be generally light.

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Sat night. Becoming milder with light rain (total 4mm) on Sat night. Freeze-thaw conditions (max 3°C on Sat night, min -3°C on Fri night). Mainly fresh winds.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
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
12:01PM2.94m
3:59PM3.42m
00:07AM2.99m
12:26PM3.26m
4:28PM3.09m
00:39AM3.29m
12:57PM3.52m
1:11AM3.49m
1:27PM3.68m
1:40AM3.59m
7:09AM2.18m
1:54PM3.76m
8:05PM2.14m
2:17PM3.80m
2:27AM3.65m
2:37PM3.86m
2:47AM3.71m
2:57PM3.96m
3:11AM3.80m
3:24PM4.04m
3:48AM3.85m
4:07PM4.04m
4:45AM3.80m
5:12PM3.93m
6:03AM3.72m
6:37PM3.84m
Low Tide
7:48AM1.40m
8:07PM1.43m
8:18AM1.44m
2:49PM2.99m
8:37PM1.48m
8:47AM1.54m
9:05PM1.60m
9:14AM1.72m
9:31PM1.81m
9:33AM1.98m
6:22PM2.06m
9:42PM2.08m
6:47PM1.69m
6:57AM1.42m
7:19PM1.31m
7:32AM1.08m
7:56PM0.96m
8:12AM0.83m
8:39PM0.73m
8:56AM0.74m
9:26PM0.68m
9:47AM0.85m
10:21PM0.82m
10:45AM1.14m
11:25PM1.11m
Wave
height (m) 
direction
period (s) 
0.2
WSW
4
0.2
WSW
3
0.3
SSE
2
0.4
ESE
3
0.4
ESE
3
0.2
N
9
0.3
NNW
12
0.4
NE
4
0.2
NNE
9
0.2
N
8
0.3
N
8
0.7
NW
4
0.7
NNW
7
0.6
NNW
7
0.8
NNW
9
0.7
N
8
0.6
N
8
0.5
N
7
0.4
N
7
0.5
SE
3
0.4
SE
3
0.3
SE
2
0.1
E
3
0
W
13
0.1
N
13
0.1
NW
9
0.4
NW
7
0.4
NW
7
0.4
NW
7
0.3
NNW
8
0.4
NNW
8
0.5
NNW
9
0.7
NNW
10
1.2
WSW
4
1.1
NNW
10
2.1
NNW
13
light rain
rain showers
cloud
part cloud
cloud
snow showers
clear
cloud
light snow
mod rain
rain showers
mod rain
light rain
cloud
snow showers
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
snow showers
snow showers
light snow
light snow
light rain
rain shwrs
cloudy
some clouds
cloudy
snow shwrs
clear
cloudy
light snow
mod rain
rain shwrs
mod rain
light rain
cloudy
snow shwrs
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
snow shwrs
snow shwrs
light snow
light snow
 km/h
10
S
15
SSE
15
S
10
SSE
10
SSE
15
S
10
S
10
SE
10
S
5
WSW
10
WSW
15
WSW
10
W
5
WSW
5
NW
5
SW
10
S
10
SE
10
SSE
15
SSE
15
SSE
15
S
10
S
10
SSW
10
SSW
10
SSW
15
SSW
10
SSW
10
SSW
15
SSW
15
SSW
15
S
25
SW
30
SW
15
W
20
WNW
 mm 
4
1
4
2
6
1
6
3
4
max°C
4
4
3
3
2
4
4
2
2
2
4
4
2
2
2
-1
-3
-4
-5
-5
-6
-6
-5
-5
-4
-3
-1
0
-1
-1
-2
-1
3
2
0
0
Moonrise
1:22
12:26
11:55
11:32
11:10
10:46
Moonset
4:20
6:53
8:57
10:55
12:55
Sunrise
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
Today's sea temperature in Harstad is
7.0° C
(Statistics for 17 Dec 1981-2005 – mean: 5.8 max: 6.5 min: 4.4°C)
Issued (local time): 6 am Wednesday 17 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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