Topgallant Islands
Reef·South Australia·Australia·
Field notes
Isolated island group west of Flinders Island holding world-class samson fish and kingfish on the deep ledges. Bluefin pass through on the shelf nearby. Expedition trip from Elliston or Streaky Bay — sanctuary zoning applies, verify before fishing.
Current conditions
Wind
7.8 kt SW
Gusts 11.9 kt
Waves
3.4 m
Period 11.4 s
Swell
3.4 m
Period 9.6 s
Sea temp
15.4°C
Air 14.2°C
Next 12 hours
01:00
7.8 SW
3.4m
02:00
7 SW
3.4m
03:00
5.3 WSW
3.3m
04:00
4.9 WSW
3.3m
05:00
4.2 SW
3.2m
06:00
3.9 SW
3.2m
07:00
4.2 SW
3.1m
08:00
5.3 SW
3m
09:00
4.8 SSW
3m
10:00
3.9 S
2.9m
11:00
3.1 S
2.8m
12:00
2.6 SSW
2.8m
Tides
Nearest BOM tide station: Elliston ↗ (24.9 km · secondary)
We don't predict tides on-site — BOM's published tables are authoritative.
BOM · Lower West CoastIssued at 9:30 am CST on Sunday 6 September 2026
Situation. A ridge of high pressure lies across the state. A cold front will move across southern coasts early Monday but the ridge will persist further north. A trough over the interior of WA will be near stationary early to mid next week.
Sunday 6 September until midnight. Winds: East to northeasterly 10 to 15 knots turning southeasterly 15 to 20 knots in the late morning and afternoon. Seas: Below 1 metre, increasing to 1 to 1.5 metres by early evening. Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore. Weather: Sunny.
Monday 7 September. Winds: Southeasterly 15 to 20 knots turning easterly 15 to 25 knots early in the morning. Seas: 1.5 to 2 metres. Swell: Southwesterly 2 to 2.5 metres. Weather: Cloudy. 60% chance of showers.
Tuesday 8 September. Winds: Southeasterly 15 to 25 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the evening. Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning. Weather: Cloudy. 70% chance of showers. The chance of a thunderstorm in the morning. Upper West Coast: Fowlers Bay to Elliston
Sunday 6 September until midnight. Winds: Variable about 10 knots becoming southeasterly 15 to 20 knots in the late afternoon. Seas: Below 1 metre. Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the afternoon. Weather: Partly cloudy.
Source: Open-Meteo Marine + ECMWF (15-min cache) · BOM (1-hr cache). Not for navigation.
Sun & moon
Today
Sun↑ 06:45↓ 18:17
Moon↑ 04:03↓ 12:51
PhaseWaning crescent 30%
Best windows
- Dawn06:20 – 07:45
- Dusk17:17 – 18:42
Tomorrow
Sun↑ 06:44↓ 18:18
Moon↑ 04:49↓ 14:04
PhaseWaning crescent 19%
Best windows
- Dawn06:19 – 07:44
- Dusk17:18 – 18:43
Best windows combine civil twilight with the hour either side of sun transit — the universal low-light feeding window most species respond to. Moon phase influence is folkloric; full and new moons coincide with the strongest tide swings.
What's biting
Recent reports from the community. Sign in to log your own catches.
Access & logistics
Spot type
Reef
Region
South Australia, Australia
Fishing style
offshore and bluewater fishing
Structure
Typically holds bommies and drop-offs — work the structure for holding fish.
Licence
Recreational fishing licence may apply — check the South Australia fisheries regulator before fishing.
Closures
Always confirm current marine park / closure status and seasonal bag limits.
Saved.
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