Vernon Islands
Reef·Northern Territory·Australia·
Field notes
Three low sandstone islands NE of Darwin, surrounded by reef and rubble bottom. Reef fish ground for golden snapper, black jewfish, coral trout and Spanish mackerel. Tidal flow is severe - work the slack water. Saltwater crocodile presence assumed - no swimming or wading.
Current conditions
Wind
13.6 kt ESE
Gusts 18.5 kt
Waves
0.5 m
Period 3.8 s
Swell
0.1 m
Period 6.8 s
Sea temp
25.8°C
Air 24°C
Next 12 hours
10:00
13.6 ESE
0.5m
11:00
13.4 E
0.5m
12:00
13.6 E
0.5m
13:00
13.3 ENE
0.5m
14:00
12.6 ENE
0.5m
15:00
11.3 NE
0.4m
16:00
9.9 NE
0.4m
17:00
7.7 NE
0.4m
18:00
4.9 NNE
0.3m
19:00
2.9 N
0.3m
20:00
1.3 N
0.3m
21:00
2.1 NNW
0.3m
Tides
Nearest BOM tide station: Glyde Point ↗ (13 km · secondary)
We don't predict tides on-site — BOM's published tables are authoritative.
BOM · North Tiwi CoastIssued at 2:30 pm CST on Tuesday 21 July 2026
Situation. A weakening ridge of high pressure directs an east to southeasterly flow over coastal waters. Winds will ease slightly before strengthening again towards the end of the week as a new ridge builds over central Australia.
Tuesday 21 July until midnight. Winds: Northeast to southeasterly 10 to 15 knots tending southeast to southwesterly in the late afternoon. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Clear.
Wednesday 22 July. Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds becoming variable about 10 knots in the late afternoon. Seas: Around 1 metre. Swell: Westerly below 1 metre. Weather: Sunny.
Thursday 23 July. Winds: South to southeasterly about 10 knots tending east to southeasterly 10 to 15 knots before dawn then becoming variable about 10 knots in the late afternoon. Seas: Around 1 metre. Swell: Below 0.5 metres. Weather: Sunny.
Friday 24 July. Winds: East to southeasterly 15 to 20 knots tending south to southeasterly during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Channel Point during the morning. Swell: East to northeasterly below 1 metre. Weather: Mostly 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↑ 07:08↓ 18:38
Moon↑ 12:02↓ 00:50
PhaseFirst quarter 49%
Best windows
- Dawn06:45 – 08:08
- Dusk17:38 – 19:01
Tomorrow
Sun↑ 07:07↓ 18:38
Moon↑ 12:41↓ 01:41
PhaseFirst quarter 59%
Best windows
- Dawn06:45 – 08:07
- Dusk17:38 – 19:01
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.
Saved.
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