Nelson Sea Conditions and Tide Table

Nelson 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 — and sunset is at 08:57 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Fri morning, min 9°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm air temperatures (max 24°C on Tue afternoon, min 9°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Thu afternoon. Warm (max 21°C on Wed afternoon, min 11°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 23mm), heaviest during Mon night. Warm (max 20°C on Sat afternoon, min 12°C on Sun night). Winds decreasing (fresh winds from the NNW on Sat afternoon, calm by Sun night).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
AM
Wave Height Map
High Tide
9:43PM3.55m
10:21AM3.87m
10:24PM3.60m
10:57AM3.97m
11:04PM3.67m
11:31AM4.01m
11:44PM3.73m
12:06PM4.01m
00:24AM3.75m
12:42PM3.98m
1:05AM3.73m
1:20PM3.93m
1:47AM3.66m
2:01PM3.88m
2:32AM3.58m
2:45PM3.82m
3:20AM3.51m
3:33PM3.76m
4:11AM3.47m
4:27PM3.69m
5:06AM3.47m
5:28PM3.65m
6:08AM3.50m
Low Tide
3:35PM1.25m
3:48AM1.19m
4:11PM1.17m
4:29AM1.13m
4:45PM1.09m
5:11AM1.06m
5:20PM1.03m
5:54AM0.99m
5:55PM0.99m
6:34AM0.93m
6:33PM0.99m
7:12AM0.89m
7:15PM1.01m
7:50AM0.90m
8:00PM1.04m
8:28AM0.97m
8:48PM1.08m
9:12AM1.08m
9:41PM1.11m
10:05AM1.20m
10:38PM1.14m
11:15AM1.27m
11:41PM1.15m
12:31PM1.22m
Wave
height (m) 
direction
period (s) 
part cloud
cloud
cloud
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
rain showers
clear
clear
part cloud
part cloud
clear
clear
part cloud
rain showers
clear
part cloud
clear
clear
clear
part cloud
rain showers
clear
rain showers
rain showers
cloud
rain showers
heavy rain
light rain
some clouds
cloudy
cloudy
some clouds
clear
cloudy
some clouds
clear
clear
clear
clear
some clouds
cloudy
rain shwrs
clear
clear
some clouds
some clouds
clear
clear
some clouds
rain shwrs
clear
some clouds
clear
clear
clear
some clouds
rain shwrs
clear
rain shwrs
rain shwrs
cloudy
rain shwrs
heavy rain
light rain
 km/h
10
NNE
20
SW
15
WSW
5
WSW
10
SW
10
W
5
W
10
S
5
NNW
15
NE
5
S
5
W
10
NE
5
SSW
15
WSW
15
WNW
20
SW
10
W
15
N
5
SW
10
NNW
20
NW
15
WSW
15
WSW
25
WSW
10
SW
5
N
35
NNW
25
NNW
5
NW
25
N
0
E
5
NNE
10
NNE
5
SW
10
SW
 mm 
2
1
3
1
1
1
14
2
max°C
18
16
19
18
16
16
17
12
15
17
13
16
17
15
23
24
17
20
21
17
21
20
15
18
19
14
20
20
17
18
19
15
17
17
14
15
Moonrise
4:26
5:12
6:06
7:07
8:13
9:20
10:27
11:35
12:43
1:53
3:06
Moonset
7:37
8:36
9:29
10:15
10:53
11:24
11:51
12:14
12:36
12:57
1:20
1:45
Sunrise
5:48
5:48
5:48
5:50
5:50
5:50
5:50
5:52
5:52
5:52
5:54
5:54
Sunset
8:57
8:58
8:58
8:59
8:59
9:00
9:00
9:00
9:00
9:00
9:01
9:01
Today's sea temperature in Nelson is
19.4° C
(Statistics for 18 Dec 1981-2005 – mean: 15.5 max: 17.1 min: 13.8°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest