Shell Island (north end), Crystal Bay Sea Conditions and Tide Table

Shell Island (north end), Crystal Bay 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 07:18 AM and sunset is at 05:36 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Thu afternoon. Warm air temperatures (max 24°C on Thu morning, min 10°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Tue afternoon, min 15°C on Sun night). Winds increasing (light winds from the N on Sun morning, fresh winds from the ENE by Mon afternoon).

Days 7–9 Weather Summary

Mostly dry. Warm (max 24°C on Thu afternoon, min 18°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 22°C on Sat afternoon, min 18°C on Sat night). Wind will be generally light.

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
1:53PM0.66m
1:17AM0.98m
2:27PM0.68m
1:58AM1.01m
3:02PM0.68m
2:38AM1.04m
3:39PM0.69m
3:19AM1.05m
4:20PM0.69m
4:01AM1.04m
5:03PM0.69m
4:46AM1.01m
5:48PM0.70m
5:36AM0.95m
6:35PM0.73m
6:32AM0.88m
7:22PM0.77m
7:34AM0.81m
8:09PM0.82m
8:38AM0.73m
8:56PM0.87m
9:46AM0.67m
9:46PM0.93m
Low Tide
8:04AM0.02m
7:34PM0.37m
8:48AM-0.00m
8:10PM0.36m
9:31AM-0.02m
8:48PM0.35m
10:12AM-0.02m
9:26PM0.34m
10:50AM-0.02m
10:05PM0.34m
11:27AM0.00m
10:44PM0.33m
12:02PM0.04m
11:25PM0.32m
12:40PM0.10m
00:17AM0.31m
1:21PM0.17m
1:36AM0.30m
2:12PM0.24m
3:13AM0.24m
3:11PM0.31m
4:31AM0.15m
4:10PM0.37m
5:35AM0.05m
Wave
height (m) 
direction
period (s) 
cloud
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
15
ESE
10
WSW
20
SSW
20
WNW
30
WNW
20
NNE
15
ENE
5
ENE
10
E
15
NE
10
NNW
15
ENE
25
ENE
30
ENE
20
ENE
25
E
15
ENE
15
ENE
15
NE
10
N
15
E
15
NE
10
NE
10
ESE
10
SE
15
WNW
10
ENE
5
NE
15
WNW
10
NE
5
NE
15
WNW
5
NNE
5
SE
15
W
5
NE
 mm 
1
1
max°C
24
23
22
20
18
14
18
21
18
20
22
18
22
22
17
22
24
19
22
23
20
22
24
21
22
22
21
21
22
21
21
22
20
20
20
20
Moonrise
6:13
7:08
8:00
8:48
9:30
10:07
10:41
11:12
11:42
12:12
12:44
1:20
Moonset
4:21
5:11
6:05
7:03
8:02
9:02
10:01
10:59
11:59
1:00
2:04
Sunrise
7:18
7:18
7:18
7:18
7:20
7:20
7:20
7:20
7:22
7:22
7:22
7:22
Sunset
5:36
5:36
5:37
5:37
5:37
5:37
5:38
5:39
5:39
5:40
5:40
5:42
Today's sea temperature in Shell Island (north end), Crystal Bay is
15.4° C
(Statistics for 18 Dec 1981-2005 – mean: 21.2 max: 23.6 min: 19.3°C)
Issued (local time): 12 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest