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Stoneyard Billabong
Estuary·Northern Territory·Australia·
Field notes
Mary River floodplain billabong in the chain between Hardies and Sampan, named on Parks and Wildlife maps. Holds resident barra year-round with the wet-season run-off bringing fresh fish through; saratoga also present.
Current conditions
Wind
7.6 kt ESE
Gusts 18.7 kt
Waves
— m
Period —
Swell
— m
Period —
Sea temp
—°C
Air 31.5°C
Next 12 hours
13:00
7.6 ESE
—
14:00
7.5 ESE
—
15:00
7.5 ESE
—
16:00
9.7 SE
—
17:00
7 SE
—
18:00
5.8 SE
—
19:00
4.6 SE
—
20:00
6.4 SE
—
21:00
7.8 SE
—
22:00
7.4 SE
—
23:00
7.1 SE
—
00:00
7 SE
—
Tides
Nearest BOM tide station: Chambers Bay ↗ (71.9 km · secondary)
We don't predict tides on-site — BOM's published tables are authoritative.
BOM · Van Diemen GulfIssued 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↑ 06:56↓ 18:26
Moon↑ —↓ 20:48
PhaseWaxing crescent 10%
Best windows
- Dawn06:33 – 07:56
- Dusk17:26 – 18:48
Tomorrow
Sun↑ 06:56↓ 18:25
Moon↑ 10:16↓ 21:54
PhaseWaxing crescent 18%
Best windows
- Dawn06:34 – 07:56
- Dusk17:25 – 18:48
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
Estuary
Region
Northern Territory, Australia
Fishing style
estuary fishing and land-based fishing
Structure
Typically holds drop-offs, flats and holes — 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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