Sweers Island
Reef·Queensland·Australia·
Field notes
Wellesley Islands group in the southern Gulf of Carpentaria. Inshore reefs and rubble hold blackjew, golden snapper and fingermark; the flats and creek mouths produce barra, queenfish and big trevally on the tides.
Current conditions
Wind
9.1 kt ESE
Gusts 22.9 kt
Waves
0.3 m
Period 2.4 s
Swell
0.1 m
Period 2.1 s
Sea temp
21.5°C
Air 23.1°C
Next 12 hours
10:00
9.1 ESE
0.3m
11:00
7.1 ESE
0.3m
12:00
7.7 ESE
0.3m
13:00
7.7 E
0.3m
14:00
8.2 E
0.3m
15:00
7.8 ENE
0.3m
16:00
6.6 ENE
0.3m
17:00
4.9 ENE
0.3m
18:00
2.6 ENE
0.2m
19:00
0.7 NE
0.2m
20:00
0.8 NW
0.2m
21:00
1.5 WNW
0.2m
Tides
Nearest BOM tide station: Sweers Island ↗ (0.7 km · secondary)
We don't predict tides on-site — BOM's published tables are authoritative.
BOM · South East Gulf of CarpentariaIssued at 3:00 pm EST on Tuesday 21 July 2026
Situation. A ridge of high pressure extends over the Gulf waters from a high [1031 hPa] centred over the Tasman Sea. A new high will move east across southern Australia from Thursday, strengthening the ridge.
Tuesday 21 July until midnight. Winds: East to southeasterly 10 to 15 knots turning south to southwesterly in the evening. Seas: Below 1 metre. Weather: Clear.
Wednesday 22 July. Winds: South to southeasterly 10 to 15 knots tending east to southeasterly in the morning then turning south to southwesterly in the afternoon. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Sunny.
Thursday 23 July. Winds: South to southeasterly 10 to 15 knots tending east to southeasterly 15 to 20 knots in the morning then tending south to southeasterly in the evening. Seas: Around 1 metre. Swell: Below 0.5 metres. Weather: Mostly sunny.
Friday 24 July. Winds: South to southeasterly 15 to 25 knots. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the evening. Weather: Sunny. North East Gulf of Carpentaria: Cape Keerweer to Crab Island
Source: Open-Meteo Marine + ECMWF (15-min cache) · BOM (1-hr cache). Not for navigation.
Sun & moon
Today
Sun↑ 07:11↓ 18:26
Moon↑ 11:52↓ 00:52
PhaseFirst quarter 49%
Best windows
- Dawn06:48 – 08:11
- Dusk17:26 – 18:49
Tomorrow
Sun↑ 07:11↓ 18:26
Moon↑ 12:29↓ 01:44
PhaseFirst quarter 59%
Best windows
- Dawn06:48 – 08:11
- Dusk17:26 – 18:49
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
Queensland, 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 Queensland fisheries regulator before fishing.
Closures
Always confirm current marine park / closure status and seasonal bag limits.
Saved.
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