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

Moderate rain (total 15mm) heaviest on Mon morning, then becoming colder with a dusting of snow on Wed morning. Low air temperatures (max 6°C on Mon afternoon, min 2°C on Tue night). Winds decreasing (fresh winds from the SW on Mon afternoon, light winds from the S by Tue night).

Days 4–6 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Fri night. Air temperatures will be slightly above freezing (max 4°C on Thu morning, min 1°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Tue night. Freeze-thaw conditions (max 4°C on Sun morning, min 0°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Fri morning. Freeze-thaw conditions (max 5°C on Thu night, min 0°C on Fri night). Mainly strong winds.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
2:45PM3.92m
3:05AM3.67m
3:24PM3.72m
11:43PM2.67m
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
Low Tide
7:01PM1.48m
7:15AM1.39m
7:35PM1.44m
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
Wave
height (m) 
direction
period (s) 
0.7
SE
4
0.9
SW
4
0.5
SW
3
0.4
S
3
0.4
SSE
3
0.3
SSE
2
0.4
S
3
0.4
S
2
0.5
S
3
0.5
SE
3
0.2
SSE
2
0.4
SSE
3
0.4
SW
4
0.3
ESE
3
0.4
SE
3
0.3
SSE
2
0.3
S
2
0.2
WSW
4
0.2
N
3
0.3
N
6
0.2
N
8
0.3
SSE
2
0.2
WSW
3
0.2
SSE
2
0.2
ESE
2
0.5
SE
3
0.2
SSE
2
0.2
WSW
3
0.3
SSW
2
0.6
S
3
0.5
WSW
4
0.4
WSW
4
0.4
WSW
4
0.8
WSW
4
1.2
WSW
4
1.6
WNW
5
light rain
part cloud
rain showers
light rain
cloud
rain showers
light snow
light rain
cloud
cloud
cloud
light rain
cloud
cloud
light snow
cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
cloud
clear
clear
snow showers
cloud
part cloud
part cloud
cloud
cloud
light rain
rain showers
light rain
rain showers
light rain
some clouds
rain shwrs
light rain
cloudy
rain shwrs
light snow
light rain
cloudy
cloudy
cloudy
light rain
cloudy
cloudy
light snow
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
cloudy
cloudy
clear
clear
snow shwrs
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
rain shwrs
light rain
rain shwrs
 km/h
20
SSE
40
SW
25
SSW
20
S
15
SSE
15
SSW
15
SSW
15
S
20
S
15
SSE
15
SSW
15
S
10
SSE
10
E
15
S
15
S
15
S
10
SSW
5
WSW
0
S
10
S
15
S
10
SSW
15
S
10
SSE
15
SSE
15
SSW
15
SSW
15
SSW
25
S
25
S
25
S
25
S
20
WSW
30
WSW
40
WNW
 mm 
4
6
1
1
2
1
2
1
1
4
1
3
max°C
4
6
6
3
3
3
3
3
4
4
3
3
3
3
3
4
4
4
4
4
4
4
4
4
3
1
1
2
3
3
3
4
5
5
3
3
Moonrise
4:58
7:28
1:22
12:26
11:55
11:32
Moonset
11:00
10:00
4:20
6:53
8:57
10:55
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
7.1° C
(Statistics for 15 Dec 1981-2005 – mean: 5.9 max: 7.0 min: 4.2°C)
Issued (local time): 6 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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