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Mackerel Islands (Thevenard)
Reef·Western Australia·Australia·
Field notes
Iconic Pilbara island group off Onslow named for the spanish mackerel that pour through in winter and spring. Coral trout and red emperor on the bommies, with sailfish and yellowfin tuna out wide. Mostly remote charter or self-drive boat access.
Current conditions
Wind
18.1 kt NE
Gusts 23.5 kt
Waves
0.8 m
Period 4.6 s
Swell
0.3 m
Period 6.3 s
Sea temp
24°C
Air 26.2°C
Next 12 hours
13:00
18.1 NE
0.8m
14:00
16.8 NE
0.8m
15:00
17.1 NNE
0.9m
16:00
18 NNE
0.9m
17:00
17.7 NNE
0.9m
18:00
15 NNE
0.9m
19:00
13.2 NNE
0.8m
20:00
10.9 NE
0.8m
21:00
8.7 NE
0.7m
22:00
7.3 ENE
0.7m
23:00
8.4 E
0.6m
00:00
9.9 E
0.6m
Tides
Nearest BOM tide station: Thevenard Island ↗ (4 km · primary)
We don't predict tides on-site — BOM's published tables are authoritative.
BOM · Pilbara Coast WestIssued at 7:01 pm WST on Tuesday 19 May 2026
Situation. A ridge to the south will bring moderate to fresh east to southeasterly winds through the Pilbara and Kimberley waters, easing for a period on Friday.
Tuesday 19 May until midnight. Winds: East to southeasterly 15 to 20 knots, reaching up to 25 knots east of Kalumburu in the late evening. Seas: 1 to 1.5 metres. Swell: East to northeasterly below 1 metre. Weather: Cloudy. 50% chance of showers. The chance of a thunderstorm west of Kalumburu.
Wednesday 20 May. Strong Wind Warning for Wednesday for North Kimberley Coast Winds: East to southeasterly 15 to 25 knots. Winds east of Kalumburu may reach up to 30 knots at times. Seas: 1 to 2 metres. Swell: East to northeasterly below 1 metre. Weather: Cloudy. 80% chance of showers west of Kalumburu, 50% chance elsewhere. The chance of a thunderstorm west of Kalumburu.
Thursday 21 May. Winds: East to southeasterly 15 to 25 knots. Seas: 1 to 2 metres, decreasing to 1 metre by early evening. Swell: East to northeasterly below 1 metre. Weather: Mostly sunny.
Friday 22 May. Winds: East to southeasterly 15 to 20 knots becoming variable about 10 knots during the afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening. Swell: Northeasterly below 1 metre. Weather: Sunny. West Kimberley Coast: Kuri Bay to Wallal
Source: Open-Meteo Marine + ECMWF (15-min cache) · BOM (1-hr cache). Not for navigation.
Sun & moon
Today
Sun↑ 06:46↓ 17:49
Moon↑ 09:13↓ 20:07
PhaseWaxing crescent 10%
Best windows
- Dawn06:22 – 07:46
- Dusk16:49 – 18:13
Tomorrow
Sun↑ 06:46↓ 17:49
Moon↑ 10:15↓ 21:15
PhaseWaxing crescent 18%
Best windows
- Dawn06:23 – 07:46
- Dusk16:49 – 18:12
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
Western Australia, 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 Western Australia fisheries regulator before fishing.
Closures
Always confirm current marine park / closure status and seasonal bag limits.
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