Isaac's Harbour Sea Conditions and Tide Table

Isaac's Harbour 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 07:39 AM and sunset is at 04:24 PM.

Days 1–3 Weather Summary

Moderate rain (total 15mm), heaviest on Fri night. Icy conditions (max 11°C on Fri night, min -3°C on Sat night). Winds decreasing (strong winds from the S on Fri night, light winds from the W by Sat night).

Days 4–6 Weather Summary

A dusting of snow turning to light rain (total 3mm) on Tue night. Icy conditions (max 7°C on Sun afternoon, min -7°C on Tue morning). Mainly fresh winds.

Days 7–9 Weather Summary

A light covering of new snow, mostly falling on Fri night. Temperatures will be below freezing (max 0°C on Wed morning, min -8°C on Thu morning). Winds decreasing (fresh winds from the NW on Wed night, calm by Fri afternoon).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Sun afternoon. Temperatures will be below freezing (max -2°C on Sat morning, min -14°C on Sun morning). Mainly fresh winds.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
6:31AM1.68m
7:36PM1.77m
7:00AM1.72m
8:12PM1.81m
7:31AM1.75m
8:43PM1.85m
8:05AM1.77m
9:10PM1.88m
8:43AM1.78m
9:36PM1.90m
9:23AM1.78m
10:06PM1.93m
10:06AM1.77m
10:41PM1.94m
10:53AM1.74m
11:20PM1.93m
11:43AM1.72m
00:03AM1.91m
12:38PM1.70m
00:52AM1.87m
1:37PM1.69m
1:47AM1.83m
2:42PM1.70m
2:51AM1.79m
Low Tide
1:12PM0.56m
1:49AM0.76m
1:44PM0.54m
2:28AM0.73m
2:15PM0.53m
3:04AM0.72m
2:49PM0.52m
3:39AM0.73m
3:23PM0.52m
4:14AM0.74m
4:00PM0.52m
4:52AM0.76m
4:41PM0.54m
5:35AM0.78m
5:25PM0.56m
6:24AM0.78m
6:14PM0.60m
7:20AM0.77m
7:09PM0.65m
8:19AM0.73m
8:10PM0.70m
9:17AM0.66m
9:18PM0.73m
Wave
height (m) 
direction
period (s) 
1.6
SSW
9
1.4
SSW
9
1.7
SSW
9
2.1
S
7
3
S
8
5.5
S
11
4.5
S
12
3.5
S
12
2.3
S
11
2.2
S
10
2.5
S
7
2.1
S
8
2
SSW
8
1.6
SSW
9
1.6
SSW
9
1
SSW
9
0.9
S
9
2.3
SSW
7
1.5
SSW
8
1.4
SSW
9
1.3
SSW
10
0.9
SSW
9
0.8
SSW
9
0.6
S
8
0.5
S
8
0.5
S
7
0.8
S
8
1.1
S
8
1.3
SSE
8
1.5
SSE
11
1.2
S
9
1.4
S
8
1.1
WNW
4
1
NNW
4
1.1
N
4
1.5
E
10
part cloud
clear
clear
part cloud
part cloud
heavy rain
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light snow
part cloud
part cloud
snow showers
cloud
clear
part cloud
part cloud
part cloud
mod snow
part cloud
part cloud
clear
clear
light snow
light snow
light snow
part cloud
clear
some clouds
clear
clear
some clouds
some clouds
heavy rain
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
light snow
some clouds
some clouds
snow shwrs
cloudy
clear
some clouds
some clouds
some clouds
mod snow
some clouds
some clouds
clear
clear
light snow
light snow
light snow
some clouds
clear
 km/h
20
WNW
10
SW
25
SSW
30
S
40
S
45
SSW
35
WSW
20
WNW
5
SSW
30
S
30
SSW
20
WSW
25
W
30
WNW
35
NW
25
WNW
15
SW
25
SW
20
WNW
25
WNW
30
NW
20
WNW
15
WNW
10
NNW
10
NNW
5
NE
15
NE
20
NW
25
WNW
20
W
20
WNW
25
WNW
25
NW
30
N
30
N
25
N
 mm 
15
3
max°C
0
0
5
9
10
11
3
0
-2
3
7
6
-2
-1
-4
-6
-3
2
0
0
-4
-7
-6
-6
-5
-4
-3
-2
-2
-7
-12
-8
-7
-4
-3
-2
Moonrise
6:45
7:44
8:36
9:19
9:54
10:21
10:44
11:04
11:22
11:40
11:59
12:22
Moonset
2:53
3:39
4:35
5:39
6:47
7:58
9:09
10:20
11:32
12:45
2:03
Sunrise
7:39
7:41
7:41
7:41
7:41
7:43
7:43
7:43
7:43
7:43
7:45
7:45
Sunset
4:24
4:25
4:25
4:27
4:27
4:28
4:28
4:29
4:30
4:30
4:30
4:31
Today's sea temperature in Isaac's Harbour is
4.8° C
(Statistics for 18 Dec 1981-2005 – mean: 3.3 max: 5.5 min: 1.1°C)
Issued (local time): 1 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest