O'Sullivan Beach Boat Ramp
Boat Ramp·South Australia·Australia·
Field notes
Major all-tide ramp south of Adelaide, the main launch for the southern metro fleet chasing snapper, KGW and squid out of Gulf St Vincent. Land-based anglers fish the breakwall arms for tommies and squid.
Current conditions
Wind
6.8 kt NNE
Gusts 14 kt
Waves
0.6 m
Period 10.9 s
Swell
0.5 m
Period 10.1 s
Sea temp
13.6°C
Air 14°C
Next 12 hours
10:00
6.8 NNE
0.6m
11:00
7 N
0.6m
12:00
6.9 N
0.6m
13:00
6.2 N
0.5m
14:00
5.5 N
0.5m
15:00
4.9 N
0.5m
16:00
4.6 N
0.5m
17:00
4.9 NNE
0.5m
18:00
4.8 NNE
0.5m
19:00
5.1 NNE
0.5m
20:00
5.6 NNE
0.5m
21:00
6.5 NNE
0.5m
Tides
Nearest BOM tide station: Port Noarlunga ↗ (2.2 km · secondary)
We don't predict tides on-site — BOM's published tables are authoritative.
BOM · Gulf St VincentIssued at 3:30 pm CST on Tuesday 21 July 2026
Situation. A trough crosses South Australia on Tuesday evening, followed by a series of weak cold fronts that cross the south of the State during Wednesday. A ridge of high pressure will build over the west of the State from later Wednesday, with the high centre expected to cross South Australia on Friday and Saturday.
Tuesday 21 July until midnight. Winds: Southwesterly 10 to 15 knots. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2 metres. Weather: Mostly clear.
Wednesday 22 July. Winds: Southwesterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds turning southerly during the day. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy. 70% chance of showers.
Thursday 23 July. Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the day. Seas: Around 1 metre. Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 2.5 to 4 metres offshore. Weather: Partly cloudy. 60% chance of showers.
Friday 24 July. Winds: Southeasterly 10 to 15 knots decreasing to about 10 knots during the morning. Seas: Below 1 metre. Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 2.5 to 4 metres offshore. Weather: Cloudy. Upper West Coast: Fowlers Bay to Elliston
Source: Open-Meteo Marine + ECMWF (15-min cache) · BOM (1-hr cache). Not for navigation.
Sun & moon
Today
Sun↑ 07:20↓ 17:26
Moon↑ 11:06↓ 00:52
PhaseFirst quarter 49%
Best windows
- Dawn06:52 – 08:20
- Dusk16:26 – 17:54
Tomorrow
Sun↑ 07:19↓ 17:27
Moon↑ 11:33↓ 01:54
PhaseFirst quarter 59%
Best windows
- Dawn06:52 – 08:19
- Dusk16:27 – 17:54
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
Boat Ramp
Region
South Australia, Australia
Fishing style
offshore and bluewater fishing and estuary fishing
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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