The measurements for the water temperature in St Helens, Tasmania are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.
The graph below shows the range of monthly St Helens water temperature derived from many years of historical sea surface temperature data.
Maximum and minimum monthly sea temperatures in St Helens
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Min °C
16.1
17
16.6
16.3
14.2
13.3
11.7
12.2
12.5
12.4
14
15.2
Max °C
19.2
19.2
19.4
18.3
17.7
16.1
15.1
14
13.8
15.3
16.8
18.6
Min °F
62.2
63.5
63
62.1
58.9
57.1
54.4
54.7
55
55.4
58.3
60.7
Max °F
65.3
65.7
65.8
64.1
62.4
59.9
57.8
56.5
56.3
58.3
61.1
64.1
7 day tide forecast for St Helens
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Low 01:15am (0.16m)
High 07:31am (0.99m)
Low 01:30pm (0.27m)
High 07:34pm (1.04m)
Low 01:52am (0.16m)
High 08:08am (1.05m)
Low 02:15pm (0.21m)
High 08:20pm (1.04m)
Low 02:29am (0.16m)
High 08:45am (1.11m)
Low 03:00pm (0.16m)
High 09:04pm (1.03m)
Low 03:06am (0.17m)
High 09:22am (1.16m)
Low 03:46pm (0.12m)
High 09:51pm (1.01m)
Low 03:44am (0.20m)
High 10:02am (1.19m)
Low 04:33pm (0.08m)
High 10:40pm (0.97m)
Low 04:25am (0.23m)
High 10:43am (1.21m)
Low 05:23pm (0.06m)
High 11:32pm (0.94m)
*These tide times are estimates based on the nearest port (Eddystone Point, Tasmania) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.
These average ocean temperatures for St Helens are calculated from several years of archived data.
Map showing location of St Helens (-41.320280, 148.238890)
Variations
Whilst sea temperatures for St Helens are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.
