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Bickerton Island
Reef·Northern Territory·Australia·
Field notes
Island west of Groote Eylandt in the Gulf of Carpentaria; charter and mothership ground out of Numbulwar and Groote. Reef ledges hold golden snapper and black jewfish; surface country produces big GTs and mackerel.
Current conditions
Wind
9 kt SSE
Gusts 20.6 kt
Waves
0.7 m
Period 3.8 s
Swell
0.3 m
Period 4.3 s
Sea temp
27.9°C
Air 28.5°C
Next 12 hours
13:00
9 SSE
0.7m
14:00
10.7 SSE
0.8m
15:00
9.1 SSE
0.8m
16:00
10 SSE
0.9m
17:00
10.3 SSE
0.9m
18:00
12.3 SSE
0.9m
19:00
12.9 SE
0.9m
20:00
12.1 SE
0.9m
21:00
11.7 SE
0.9m
22:00
11.1 SE
0.9m
23:00
10.3 SE
0.9m
00:00
10.2 SE
0.9m
Tides
Nearest BOM tide station: Milner Bay (Groote Eylandt) ↗ (24.9 km · primary)
We don't predict tides on-site — BOM's published tables are authoritative.
BOM · Roper Groote CoastIssued at 8:30 pm CST on Tuesday 19 May 2026
Situation. A ridge of high pressure strengthening over Central Australia is directing moderate to fresh southeasterly winds over coastal waters, persisting for most of the week.
Tuesday 19 May until midnight. Winds: Southeasterly 15 to 20 knots. Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore south of Channel Point. Swell: Below 0.5 metres. Weather: Partly cloudy.
Wednesday 20 May. Winds: Southeasterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening. Swell: East to northeasterly below 1 metre. Weather: Partly cloudy.
Thursday 21 May. Winds: Southeasterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon. Swell: East to northeasterly around 1 metre offshore. Weather: Sunny.
Friday 22 May. Winds: East to southeasterly 15 to 20 knots becoming variable about 10 knots during the day. Seas: Around 1 metre. Swell: Northeasterly below 1 metre. Weather: Sunny. North Tiwi Coast: Cape Fourcroy to Cape Don
Source: Open-Meteo Marine + ECMWF (15-min cache) · BOM (1-hr cache). Not for navigation.
Sun & moon
Today
Sun↑ 06:39↓ 18:06
Moon↑ —↓ 20:28
PhaseWaxing crescent 10%
Best windows
- Dawn06:16 – 07:39
- Dusk17:06 – 18:29
Tomorrow
Sun↑ 06:39↓ 18:06
Moon↑ 09:59↓ 21:34
PhaseWaxing crescent 19%
Best windows
- Dawn06:17 – 07:39
- Dusk17:06 – 18:29
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
Northern Territory, 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 Northern Territory fisheries regulator before fishing.
Closures
Always confirm current marine park / closure status and seasonal bag limits.
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