Salt water depth chart
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4,519-acre South Oyster Bay fishing map with NOAA BlueTopo survey contours (93.23% measured, 98.5% assessed), source-traceable coastal structure, regional fish-survey occurrence, sourced forage timing and verified public access. The water tops out around 34 ft. The depth chart is built from real agency bathymetry referenced to NAVD88; directly measured coverage remains distinguished from source interpolation. The channels, holes and drop-offs come from the source data, not a distance-from-shore model. Species by species, here's what the data says the year looks like.
On the chart, South Oyster Bay draws 4,515 acres inside 69 miles of shoreline — 53 islands included. An index of 7.3 puts the bank firmly in maze territory: point after pocket after cove, every one a casting target. All of it is shallow-zone water — under ~15 ft across the entire basin, so the food chain has the run of the place. Call it 4.6 mi long by 3.4 mi wide at the broadest reach. Closest neighbour on DepthScout: Sloop Channel, 5 mi southwest of here.
Spring striped bass on South Oyster Bay hold shallow, usually 5 to 20 ft. By summer they slide out to 10 to 34 ft, and by winter most fish are in 10 to 34 ft. The chart's best answer is Surveyed channel edge — drop-off, 12 ft, good for summer. Prime time lands in early morning and the evening. The summer box starts with a topwater walker at low light or a paddletail on a light jig.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Surveyed channel edge (9 ft) | 3-6 inch paddletail, Suspending minnow plug |
| Summer | 10 to 34 ft chart-limited; documented 25 to 60 ft | dawn & dusk | Surveyed channel edge (12 ft) | Topwater walker at low light, Paddletail on a light jig |
| Fall | 10 to 34 ft chart-limited; documented 10 to 35 ft | dawn & dusk | Surveyed channel edge (12 ft) | Pencil popper, Baitfish swimbait |
| Winter | 10 to 34 ft chart-limited; documented 20 to 50 ft | midday | Surveyed channel edge (12 ft) | Slow paddletail, Bucktail near bottom |
Spring puts bluefish in skinny water — 3 to 20 ft is the zone. Warm water sends them out to 5 to 30 ft; cold water stacks them in 10 to 34 ft. NOAA charted groin is the standout, a jetty / riprap at roughly 14 ft, rated prime for summer bluefish. Plan around early morning and the evening in the warm months. A popper (early/late) or a metal jigs in the rips covers the summer program.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 20 ft | dawn & dusk | Surveyed channel edge (9 ft) | Metal (Hopkins/Kastmaster), Pencil popper |
| Summer | 5 to 30 ft | dawn & dusk | NOAA charted groin (14 ft) | Popper (early/late), Metal jigs in the rips |
| Fall | 3 to 25 ft | dawn & midday | Surveyed channel edge (9 ft) | Pencil popper, Big metal |
| Winter | 10 to 34 ft chart-limited; documented 15 to 40 ft | midday | open water | Metal jig worked slow (southern waters) |
Early season summer flounder (fluke) use the shallows, holding in 5 to 25 ft. Summer is an 8 to 34 ft game here, winter a 10 to 34 ft one. The chart's best answer is Surveyed channel edge — drop-off, 9 ft, prime for summer. Best bite is midday and early morning. Tie on a bucktail (1-3 oz by drift speed) or a gulp grub on jighead and you're in the game.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | midday & dawn | Surveyed channel edge (9 ft) | Bucktail + Gulp swimming mullet, Hi-lo rig + squid strip |
| Summer | 8 to 34 ft chart-limited; documented 8 to 35 ft | midday & dawn | Surveyed channel edge (9 ft) | Bucktail (1-3 oz by drift speed), Gulp grub on jighead |
| Fall | 9 to 34 ft chart-limited; documented 12 to 45 ft | midday | Surveyed channel edge (9 ft) | Heavier bucktail on the lumps, Big Gulp 6" grub |
| Winter | 10 to 34 ft chart-limited; documented 20 to 60 ft | midday | Surveyed channel edge (12 ft) | Slow bottom rig + strip |
Spring black sea bass on South Oyster Bay hold shallow, usually 9 to 34 ft. Depth-wise the year is flat: 9 to 34 ft in summer, 10 to 34 ft once it turns cold. The chart's best answer is NOAA charted groin — jetty / riprap, 14 ft, prime for spring. Prime time lands in midday and early morning. The summer box starts with a bucktail + grub or a diamond jig + squid teaser.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 9 to 34 ft chart-limited; documented 10 to 40 ft | midday & dawn | NOAA charted groin (14 ft) | Hi-lo rig + squid, 1-2 oz bucktail + Gulp |
| Summer | 9 to 34 ft chart-limited; documented 15 to 60 ft | midday & dawn | NOAA charted groin (14 ft) | Bucktail + grub, Diamond jig + squid teaser |
| Fall | 9 to 34 ft chart-limited; documented 20 to 80 ft | midday | NOAA charted groin (14 ft) | 3-4 oz vertical jig (deep), Double-teaser rig |
| Winter | 10 to 34 ft chart-limited; documented 40 to 100 ft | midday | NOAA charted groin (14 ft) | Heavy hi-lo rig on deep wrecks |
The spring pattern is a shallow one: tautog (blackfish) in 5 to 25 ft. As the season builds they drop to 10 to 34 ft, wintering in 10 to 34 ft. Top water on the chart: NOAA charted groin, a jetty / riprap in the 14 ft range, prime in spring. Time it for early morning. Summer baits: a 1/2-1 oz tog jig + crab gets it done.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | midday & dawn | NOAA charted groin (14 ft) | Tog jig + green crab half, Bare jig + clam (early) |
| Summer | 10 to 34 ft chart-limited; documented 10 to 35 ft | dawn | NOAA charted groin (14 ft) | 1/2-1 oz tog jig + crab |
| Fall | 7 to 34 ft chart-limited; documented 10 to 50 ft | midday | NOAA charted groin (14 ft) | Tog jig + whole green crab, Old-school rig + double crab (deep) |
| Winter | 10 to 34 ft chart-limited; documented 30 to 70 ft | midday | NOAA charted groin (14 ft) | Heavy jig + crab on deep structure |
Early season scup (porgy) use the shallows, holding in 5 to 25 ft. Expect a summer slide to 6 to 34 ft, then a winter hold in 8 to 34 ft. Put NOAA charted groin first on the milk run — a jetty / riprap near 14 ft that grades prime for summer. In summer the feeding windows fall in midday and early morning. Tie on a hi-lo porgy rig or a micro metal jig and you're in the game.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dawn | NOAA charted groin (14 ft) | Small hi-lo rig, Micro jig tipped with bait |
| Summer | 6 to 34 ft chart-limited; documented 6 to 35 ft | midday & dawn | NOAA charted groin (14 ft) | Hi-lo porgy rig, Micro metal jig |
| Fall | 7 to 34 ft chart-limited; documented 8 to 40 ft | midday | NOAA charted groin (14 ft) | Compact vertical jig, Hi-lo rig |
| Winter | 8 to 34 ft chart-limited; documented 12 to 50 ft | midday | Surveyed channel edge (9 ft) | Small slow vertical jig |
South Oyster Bay also holds winter flounder (8 to 30 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Structure-wise the chart holds 36 features, led in depth by NOAA charted pier at roughly 15 ft.
Access data: New York State DEC — Boat Launches (FishNY). Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for New York waters are set by the New York DEC (saltwater fishing) — and special regulations can apply to South Oyster Bay specifically, so confirm the current rules before you fish.
Check the official New York fishing regulations →
South Oyster Bay is about 34 ft (10 m) deep at its deepest point. The depth chart is built from real agency bathymetry referenced to NAVD88; directly measured coverage remains distinguished from source interpolation. The contours reflect measured and quality-assessed source depths.
Anglers target striped bass, bluefish, summer flounder (fluke), black sea bass, tautog (blackfish), scup (porgy), winter flounder on South Oyster Bay. The list combines the water's survey records with habitat-filtered species from broader official evidence; those additions are plausible occurrences, not exact-water abundance or guaranteed catches.
NOAA charted groin is the top-rated area: a jetty / riprap in about 14 ft of water that rates prime for tautog (blackfish) in spring. Every other rated spot, per species and season, is on the map above.
For striped bass, 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 South Oyster Bay is regulated by the New York DEC (saltwater fishing). Check the official New York regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Sloop Channel 5 mi · Merrick Bay 5 mi · Baldwin Bay 7 mi · Fire Island Inlet 7 mi · Jones Inlet 7 mi · Middle Bay 8 mi · Hempstead Lake 10 mi · Reynolds Channel 11 mi · Hewlett Bay 11 mi · Knapps Lake 15 mi · East Rockaway Inlet 16 mi · Grass Hassock Channel 17 mi
See how South Oyster Bay stacks up: best striped bass lakes in New York · best summer flounder (fluke) lakes in New York · best winter flounder lakes in New York · best bluefish lakes in New York
Browse all New York fishing maps. See every water on DepthScout. Bathymetry credit: NOAA BlueTopo (NAVD88; 93% measured, 5% source-interpolated). 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.