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Maria Island - Mercury Passage
Reef·Tasmania·Australia·
Field notes
Channel between Maria Island and the Tasmanian east coast. Productive ground for flathead drifting the sand and gravel, with calamari on the weed edges. Maria Island National Park is a no-take marine reserve - the passage waters outside are open. Check IMAS sanctuary maps before fishing.
Current conditions
Wind
7.9 kt WSW
Gusts 19.4 kt
Waves
1.1 m
Period 8.9 s
Swell
1 m
Period 8 s
Sea temp
15.6°C
Air 16.6°C
Next 12 hours
13:00
7.9 WSW
1.1m
14:00
8.2 WSW
1.1m
15:00
7.3 SW
1.1m
16:00
5.9 SW
1.1m
17:00
4.6 SW
1.1m
18:00
4.9 SW
1.1m
19:00
5.1 SW
1.1m
20:00
6.1 WSW
1.1m
21:00
7.3 WSW
1.1m
22:00
7.9 WSW
1.1m
23:00
7.2 W
1.1m
00:00
7.9 W
1.1m
Tides
Nearest BOM tide station: Darlington Jetty ↗ (8 km · secondary)
We don't predict tides on-site — BOM's published tables are authoritative.
BOM · Lower East CoastIssued at 10:00 pm EST on Tuesday 19 May 2026
Situation. A high pressure centre near the South Australian coast extends a ridge of high pressure to the west of Tasmania. The ridge slowly approaches Tasmania and is expected to cross during Thursday and Friday, bringing mostly settled weather to the state. The high is then forecast to move to the east of Tasmania later Friday as a cold front approaches from the west during Saturday.
Tuesday 19 May until midnight. Winds: West to southwesterly 15 to 20 knots, reaching up to 25 knots east of King Island. Seas: 1.5 metres, increasing to 1.5 to 2 metres east of King Island. Swell: Westerly 1 to 1.5 metres, increasing to 2 metres south of King Island. Weather: Cloudy.
Wednesday 20 May. Winds: Westerly 15 to 20 knots turning southwesterly 15 to 25 knots early in the morning. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening. Swell: Westerly 1 to 2 metres, tending southwesterly 1.5 to 2.5 metres during the morning. Weather: Partly cloudy. 70% chance of showers.
Thursday 21 May. Winds: West to southwesterly 10 to 15 knots tending west to northwesterly during the morning and early afternoon. Seas: Around 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy.
Friday 22 May. Winds: Northwesterly 10 to 15 knots turning northeasterly during the day. Seas: Below 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy. Central North Coast: Stanley to Northern Tip of Flinders Island
Source: Open-Meteo Marine + ECMWF (15-min cache) · BOM (1-hr cache). Not for navigation.
Sun & moon
Today
Sun↑ 07:17↓ 16:53
Moon↑ 10:07↓ 18:37
PhaseWaxing crescent 10%
Best windows
- Dawn06:46 – 08:17
- Dusk15:53 – 17:24
Tomorrow
Sun↑ 07:18↓ 16:53
Moon↑ 11:05↓ 19:51
PhaseWaxing crescent 18%
Best windows
- Dawn06:47 – 08:18
- Dusk15:53 – 17:23
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
Tasmania, 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 Tasmania fisheries regulator before fishing.
Closures
Always confirm current marine park / closure status and seasonal bag limits.
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