Seal Island is an island located off the coast of South Australia, approximately 20 kilometres south of the town of Victor Harbor. It is the largest of the group of islands known as the Pages, which form part of the Encounter Marine Park. The island is approximately 1.2 kilometres long and 0.5 kilometres wide, with a total area of 0.6 square kilometres. It is mostly composed of granite, and is home to a large colony of Australian sea lions.
The island was first sighted by Matthew Flinders in 1802 during his circumnavigation of Australia. In 1803, the island was named Seal Island by Nicolas Baudin, who also named nearby Granite Island. Seal Island was used by sealers during the 19th century, and the remains of a number of structures from this period are still visible on the island.
Seal Island has been the site of several important historical events. In 1836, the island was the site of the first recorded meeting between Europeans and Australian Aborigines. In 1915, the island was the site of the first successful landing of a seaplane in Australia.
Today, Seal Island is a popular tourist destination, with visitors able to view the sea lion colony from the shore. The island is also a popular spot for scuba diving and snorkelling, with a number of shipwrecks located in the surrounding waters. The island is also home to a variety of bird species, including the white-bellied sea eagle and the osprey.
Experience Seal Island with unforgettable activities by our partner GetYourGuide. The offer is also ideal as a special gift idea for family and friends who are planning to visit Seal Island. Cancellations are possible up to 24h before the start of the activity (unless otherwise stated in the activity description), with a full refund of the booking price.
Seal Island in Australia experiences a temperate climate with mild summers and cool winters. Summers are usually warm and dry, while winters are cool and wet. Spring brings mild temperatures and frequent showers. In autumn, temperatures cool and rainfall increases. The weather is usually mild throughout the year, with temperatures rarely falling below 0°C in winter or rising above 30°C in summer.
Our weather forecast for Seal Island helps plan your stay according to the weather. For sunny days, pack light and breathable clothes, swimwear, and sunscreen. For winter weather, it's recommended to bring warm clothes, gloves, a hat, sturdy footwear, and a raincoat.
| Date | Icon | Temperature | Wind speed/gusts | Cloudiness/Visibility | Air humidity/pressure | Sunrise/Sunset |
|---|---|---|---|---|---|---|
| Sep. 9th 2026 Sep. 9th 2026 | max: 12.2 °C min: 8.2 °C |
50.9 m/s 76.0 m/s |
40.0 % 22.9 m |
63.9 % 1,022 hPa |
06:20:21 17:50:09 |
|
| Sep. 10th 2026 Sep. 10th 2026 | max: 15.6 °C min: 10.1 °C |
38.2 m/s 69.9 m/s |
15.6 % 24.1 m |
62.8 % 1,031 hPa |
06:18:37 17:51:12 |
|
| Sep. 11th 2026 Sep. 11th 2026 | max: 14.8 °C min: 11.3 °C |
37.5 m/s 69.0 m/s |
0.3 % 24.1 m |
54.8 % 1,030 hPa |
06:16:52 17:52:15 |
|
| Sep. 12th 2026 Sep. 12th 2026 | max: 13.0 °C min: 9.6 °C |
21.7 m/s 39.1 m/s |
23.8 % 24.1 m |
71.6 % 1,026 hPa |
06:15:07 17:53:18 |
|
| Sep. 13th 2026 Sep. 13th 2026 | max: 17.0 °C min: 12 °C |
30.6 m/s 54.0 m/s |
69.2 % 24.1 m |
71.6 % 1,018 hPa |
06:13:22 17:54:21 |
|
| Sep. 14th 2026 Sep. 14th 2026 | max: 16.6 °C min: 13.2 °C |
41.8 m/s 78.7 m/s |
29.6 % 24.1 m |
73.6 % 1,012 hPa |
06:11:37 17:55:24 |
|
| Sep. 15th 2026 Sep. 15th 2026 | max: 12.8 °C min: 9.3 °C |
44.6 m/s 77.5 m/s |
50.5 % 24.1 m |
70.2 % 1,018 hPa |
06:09:51 17:56:27 |
|
| Sep. 16th 2026 Sep. 16th 2026 | max: 14.2 °C min: 8.9 °C |
40.0 m/s 69.3 m/s |
34.2 % 24.1 m |
61.8 % 1,023 hPa |
06:08:05 17:57:30 |
|
| Sep. 17th 2026 Sep. 17th 2026 | max: 14.2 °C min: 10.5 °C |
40.5 m/s 69.8 m/s |
43.2 % 24.1 m |
65.7 % 1,020 hPa |
06:06:19 17:58:34 |
|
| Sep. 18th 2026 Sep. 18th 2026 | max: 17.5 °C min: 11 °C |
52.0 m/s 87.6 m/s |
67.9 % 24.1 m |
63.1 % 1,007 hPa |
06:04:33 17:59:37 |
|
| Sep. 19th 2026 Sep. 19th 2026 | max: 14.7 °C min: 13.1 °C |
41.2 m/s 71.4 m/s |
59.4 % 24.1 m |
68.8 % 1,001 hPa |
06:02:47 18:00:41 |
|
| Sep. 20th 2026 Sep. 20th 2026 | max: 13.7 °C min: 11 °C |
35.3 m/s 52.6 m/s |
45.9 % 21.6 m |
62.1 % 1,009 hPa |
06:01:01 18:01:45 |
|
| Sep. 21st 2026 Sep. 21st 2026 | max: 12.5 °C min: 9.7 °C |
54.6 m/s 109.5 m/s |
33.4 % 21.9 m |
66.9 % 1,013 hPa |
05:59:14 18:02:48 |
|
| Sep. 22nd 2026 Sep. 22nd 2026 | max: 15.4 °C min: 10.9 °C |
50.0 m/s 99.5 m/s |
42.1 % 24.1 m |
62.2 % 1,016 hPa |
05:57:28 18:03:52 |
Would you like to travel to Seal Island on a cruise ship or would you just like to know when a certain ship will dock there? Here you will find an overview of the cruise ships that will be calling at the port of Seal Island.
| Date | Ship | Passaengers (min - max) | Arrival | Departure | Details |
|---|
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There are a few basic rules to follow
.| Port | Distance |
|---|---|
| Great Oyster Bay in Australia | 24,88 km |
| Maria Island in Australia | 26,96 km |
| Tasman Peninsula in Australia | 80,39 km |
| Port Arthur in Australia | 84,58 km |
| Hobart in Australia | 86,12 km |
| Beauty Point in Australia | 179,20 km |
| Port Davey in Australia | 209,16 km |
| Burnie Tasmanien in Australia | 239,67 km |
| Flinders Island in Australia | 270,35 km |
