Salt water depth chart
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40,606-acre Jurien Bay. Northwest Australian saltwater fishing map showing only directly measured AusBathyTopo 2026 cells, source-qualified fishing spots, official regional fish evidence, seasonal forage context, access guidance and current-rule links. Northwest trip-scale surveyed footprint within Jurien Bay. A west-coast bay protected by reefs and islands, with lagoon channels, seagrass and offshore breaks. The displayed footprint is not a legal boundary or a claim of complete named-water coverage. The water tops out around 97 ft. The depth chart comes from Geoscience Australia / AusSeabed bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Here is how the season plays out for each species, straight from the data behind the map.
The drawn water covers 40,608 acres wrapped in 51.1 miles of bank. With a 1.8 development index there's bank structure worth casting at, in moderation. 58% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. The basin spans about 16.6 mi end to end and 5.5 mi across at its widest. If the bite dies, Jurien Bay - Northeast is 15 mi to the south.
Regional occurrence does not mean equal abundance, child-specific catch rate, retention permission or a promised catch. Live state, territory, Commonwealth, protected-area and local rules always control. The roster may combine exact-water monitoring with habitat-filtered official regional evidence; it does not imply that every species is equally abundant throughout the mapped section.
| Species | Evidence basis | Count / date |
|---|---|---|
| mulloway (Mulloway) | official species listing | — |
| yellowtail kingfish (Yellowtail Kingfish) | official species listing | — |
| tailor (Tailor) | official species listing | — |
| silver trevally (Silver Trevally) | official species listing | — |
| gummy shark (Gummy Shark) | official species listing | — |
| King George whiting (King George Whiting) | official species listing | — |
Official species-evidence source.
Come spring, look for mulloway tight to the bank in 5 to 30 ft. They move out to 14 to 97 ft in summer and finish the year down in 17 to 97 ft. If you only fish one area, make it Deepest basin: a deep basin around 90 ft that scores prime in summer. Best bite is early morning and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 30 ft | dawn & dusk | Sharp break (32 ft) | see map |
| Summer | 14 to 97 ft | dawn & dusk | Deepest basin (90 ft) | see map |
| Fall | 5 to 70 ft | dawn & dusk | Sharp break (67 ft) | see map |
| Winter | 17 to 97 ft | midday | Deepest basin (90 ft) | see map |
When the water first warms, yellowtail kingfish slide up into 8 to 45 ft. By summer they slide out to 15 to 97 ft, and by winter most fish are in 20 to 97 ft. If you only fish one area, make it Shoreline point: a point around 37 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 45 ft | dawn & dusk | Shoreline point (37 ft) | see map |
| Summer | 15 to 97 ft | dawn & dusk | Sharp break (67 ft) | see map |
| Fall | 8 to 91 ft | dawn & dusk | Sharp break (67 ft) | see map |
| Winter | 20 to 97 ft | midday | Sharp break (67 ft) | see map |
The spring pattern is a shallow one: tailor in 3 to 25 ft. As the season builds they drop to 11 to 65 ft, wintering in 15 to 65 ft. Top water on the chart: Sharp break, a drop-off in the 32 ft range, prime in summer. Time it for early morning and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Shoreline point (5 ft) | see map |
| Summer | 11 to 65 ft | dawn & dusk | Sharp break (32 ft) | see map |
| Fall | 3 to 46 ft | dawn & dusk | Sharp break (32 ft) | see map |
| Winter | 15 to 65 ft | midday | Sharp break (32 ft) | see map |
The spring pattern is a shallow one: silver trevally in 4 to 30 ft. Midsummer fish sit out in 14 to 80 ft before dropping to 18 to 80 ft for winter. The spot to know is Sharp break, a drop-off in about 67 ft of water that rates prime for silver trevally in summer. Plan around early morning and the evening in the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 30 ft | dawn & dusk | Shoreline point (5 ft) | see map |
| Summer | 14 to 80 ft | dawn & dusk | Sharp break (67 ft) | see map |
| Fall | 4 to 56 ft | dawn & dusk | Sharp break (32 ft) | see map |
| Winter | 18 to 80 ft | midday | Sharp break (67 ft) | see map |
The spring pattern is a shallow one: gummy shark in 8 to 40 ft. Midsummer fish sit out in 15 to 97 ft before dropping to 8 to 40 ft for winter. The spot to know is Deepest basin, a deep basin in about 90 ft of water that rates prime for gummy shark in summer. Plan around early morning and the evening in the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 40 ft | dawn & dusk | Sharp break (32 ft) | see map |
| Summer | 15 to 97 ft | dawn & dusk | Deepest basin (90 ft) | see map |
| Fall | 8 to 84 ft | dawn & dusk | Sharp break (67 ft) | see map |
| Winter | 8 to 40 ft | dawn | Sharp break (32 ft) | see map |
Come spring, look for king george whiting tight to the bank in 3 to 18 ft. Expect a summer slide to 8 to 45 ft, then a winter hold in 11 to 45 ft. Start at Shallow measured flat. It's a feeding flat holding about 3 ft of water and rates prime come spring. Prime time lands in early morning and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 18 ft | dawn & dusk | Shallow measured flat (3 ft) | see map |
| Summer | 8 to 45 ft | dawn & dusk | Sharp break (32 ft) | see map |
| Fall | 3 to 31 ft | dawn & dusk | Shallow measured flat (3 ft) | see map |
| Winter | 11 to 45 ft | midday | Sharp break (32 ft) | see map |
Jurien Bay - Northwest carries 19 mapped structure features, topping out (or rather bottoming out) at Deepest basin, about 90 ft down.
Access data: Western Australia Department of Transport Public Boat Ramps (DOT-033). Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Western Australia waters are set by the WA DPIRD (current recreational-fishing rules) — and special regulations can apply to Jurien Bay - Northwest specifically, so confirm the current rules before you fish. Check WA DPIRD's live regional guide, licences, demersal-management measures, species limits, seasonal and spatial closures, marine parks, protected species and permitted gear before every trip. Species available to target can change by bioregion and date; a regional occurrence record is not an open-season signal. A directly measured contour, fishing spot or access lead never grants fishing, retention, port entry, parking or launching permission.
Check the official Western Australia fishing regulations →
WA DPIRD current recreational-fishing guides →
Check special-area and water-specific rules →
Jurien Bay - Northwest is about 97 ft (30 m) deep at its deepest point. The depth chart comes from Geoscience Australia / AusSeabed bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Official coastal monitoring from Western Australia Department of Primary Industries and Regional Development regional evidence informs the mulloway, yellowtail kingfish, tailor, silver trevally, gummy shark, king george whiting roster for Jurien Bay - Northwest. The mixed roster combines exact-water records where available with habitat-filtered regional evidence; not every species is documented at this exact water, and it is not a promise of equal abundance or a catch on a particular trip.
Deepest basin is the top-rated area: a deep basin in about 90 ft of water that rates prime for mulloway in summer. Scroll up to the map for the complete spot list by species and season.
For mulloway, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Jurien Bay - Northwest is regulated by the WA DPIRD (current recreational-fishing rules). Check the official Western Australia regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Jurien Bay - Northeast 15 mi · Jurien Bay - West 19 mi · Gum Tree Bay 25 mi · Champion Bay - Northeast 95 mi · Yanchep Lagoon 104 mi · Champion Bay - Northwest 104 mi · Pelsaert Lagoon 106 mi · Cockburn Sound - Northwest 132 mi · Horseyard Bay 139 mi · Cockburn Sound - Northeast 144 mi · Cockburn Sound - West 147 mi · Cockburn Sound - Central 157 mi
See how Jurien Bay - Northwest stacks up: best mulloway lakes in Western Australia · best yellowtail kingfish lakes in Western Australia · best king george whiting lakes in Western Australia · best tailor lakes in Western Australia
Browse all Western Australia fishing maps. See every water on DepthScout. Bathymetry: published agency survey data. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.