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Cartier Bank
Reef·Northern Territory·Australia·
Field notes
Offshore bank northwest of the Tiwi Islands sitting on the edge of the Timor Sea shelf. Gamefishing ground for billfish, yellowfin and dogtooth tuna; bottom drops hold red emperor and big cod. Charter or seasoned offshore trip from Darwin.
Current conditions
Wind
13.4 kt ESE
Gusts 18.3 kt
Waves
0.9 m
Period 4.4 s
Swell
0.6 m
Period 4.1 s
Sea temp
28.9°C
Air 27.9°C
Next 12 hours
13:00
13.4 ESE
0.9m
14:00
11.7 ESE
0.9m
15:00
10.5 ESE
0.8m
16:00
9.9 ESE
0.8m
17:00
8.9 ESE
0.8m
18:00
9 SE
0.7m
19:00
9.4 ESE
0.7m
20:00
8.9 E
0.7m
21:00
7 E
0.6m
22:00
8.9 ESE
0.7m
23:00
15.9 ESE
0.7m
00:00
18.3 ESE
0.8m
Tides
Nearest BOM tide station: Peron Island North ↗ (78.6 km · secondary)
We don't predict tides on-site — BOM's published tables are authoritative.
BOM · Beagle Bonaparte 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↑ 07:04↓ 18:35
Moon↑ —↓ 20:58
PhaseWaxing crescent 10%
Best windows
- Dawn06:41 – 08:04
- Dusk17:35 – 18:57
Tomorrow
Sun↑ 07:04↓ 18:34
Moon↑ 10:23↓ 22:04
PhaseWaxing crescent 19%
Best windows
- Dawn06:42 – 08:04
- Dusk17:34 – 18:57
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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