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 07:37 AM and sunset is at 04:23 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 7°C on Wed night, min -11°C on Tue morning). Winds increasing (light winds from the WSW on Tue night, fresh winds from the SW by Wed afternoon).

Days 4–6 Weather Summary

Light rain (total 9mm), mostly falling on Fri night. Icy conditions (max 12°C on Fri night, min -6°C on Sat night). Winds increasing (calm on Thu afternoon, near gales from the S by Fri night).

Days 7–9 Weather Summary

Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 7°C on Sun afternoon, min -5°C on Tue morning). Winds decreasing (strong winds from the SSW on Sun afternoon, light winds from the WNW by Mon morning).

Days 10–12 Weather Summary

Mild at first with light rain (total 5mm) on Wed morning followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 5°C on Wed morning, min -12°C on Thu morning). Winds increasing (calm on Fri morning, strong winds from the ENE by Sat morning).

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
5:18PM1.60m
5:22AM1.62m
6:10PM1.66m
5:59AM1.65m
6:56PM1.72m
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
Low Tide
11:18AM0.64m
11:23PM0.84m
12:00PM0.61m
00:18AM0.82m
12:38PM0.58m
1:07AM0.79m
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
Wave
height (m) 
direction
period (s) 
2.2
S
11
2.1
S
11
1.6
S
10
1.2
S
10
1.2
SSE
11
1.3
SSW
7
2.2
SSW
7
3
SSW
8
2.5
SSW
9
2
SSW
10
1.6
SSW
10
1.6
SSW
9
2.4
S
8
3.5
S
8
4.5
S
11
4
S
12
3
SSW
12
1.8
SSW
11
1.9
S
10
3
S
8
2.2
SSW
9
1.6
S
9
1.4
SSW
9
1.1
S
9
0.8
S
9
0.5
SE
9
1
S
4
2
S
7
1.7
SSW
8
2.1
SSW
10
1.6
SW
10
1
SSW
9
0.6
SSW
8
0.4
S
8
0.4
S
8
1.7
ESE
5
light snow
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
mod rain
part cloud
clear
part cloud
cloud
cloud
rain showers
clear
part cloud
clear
part cloud
cloud
light snow
light rain
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
mod snow
light snow
some clouds
some clouds
clear
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
clear
some clouds
some clouds
some clouds
mod rain
some clouds
clear
some clouds
cloudy
cloudy
rain shwrs
clear
some clouds
clear
some clouds
cloudy
light snow
light rain
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
mod snow
 km/h
35
NW
35
WNW
25
W
20
WNW
15
W
15
SW
35
SW
40
SW
30
WSW
25
NW
5
SW
25
SSW
30
S
45
S
40
SW
35
W
25
NW
10
WSW
30
SSW
40
SSW
20
WNW
15
WNW
25
NW
25
NW
15
NW
10
SW
20
S
35
W
25
W
30
W
30
WNW
20
WNW
10
WNW
5
SW
10
ESE
30
E
 mm 
9
3
5
max°C
-3
-4
-8
-8
-5
3
5
6
7
3
0
5
9
10
12
-2
-2
-5
1
7
7
1
0
-4
-4
-3
1
5
3
-1
-9
-7
-9
-8
-5
0
Moonrise
3:28
4:34
5:40
6:45
7:44
8:36
9:19
9:54
10:21
10:44
11:04
11:22
Moonset
1:25
1:48
2:17
2:53
3:39
4:35
5:39
6:47
7:58
9:09
10:20
11:32
Sunrise
7:37
7:39
7:39
7:39
7:41
7:41
7:41
7:41
7:43
7:43
7:43
7:43
Sunset
4:23
4:24
4:24
4:24
4:25
4:25
4:27
4:27
4:28
4:28
4:29
4:30
Today's sea temperature in Isaac's Harbour is
5.5° C
(Statistics for 15 Dec 1981-2005 – mean: 3.6 max: 6.3 min: 2.0°C)
Issued (local time): 1 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest