The Carmans River is a freestone river in New York, listed as Fly-fishing only by New York State Department of Environmental Conservation (NYSDEC), Bureau of Fisheries.
1 USGS gauge on the water reports flow. 1 guide and 4 shops nearby are listed here; the nearest destination hub is Long Island: the Connetquot & the Carmans.
Carmans River is a freestone river in New York. Our destination hub Long Island: the Connetquot & the Carmans is 13 mi away in a straight line and lists it among its waters.
Pick one of its USGS gauges and hear from us when the flow moves into or out of its usual range for the date, or crosses a flow you set. We check the public USGS reading every 2 hours and email only when it crosses, at most once every 6 hours. Flow alone is not a fishing forecast or a safety call.
Signed in: one step. Otherwise we email a confirmation link first. Every alert has one-click links to stop it.
Start from the agency's public access map. Nothing on this page grants or implies access: check the agency map, posted signs and landowner permission before you fish.
Nothing on this page grants or implies access.
Gauges, shops and guides within 40 miles
Map of Carmans River: gauges, shops and guides
Map of Carmans River with 1 USGS gauge, and shops and guides with an exact address within 40 miles.
Restrooms within 2 miles of Carmans River in a straight line, nearest first, with what anglers found when they went. The map says a restroom is there, not whether it is clean or open today.
No restroom mapped within 2 mi yet — add one you know.
Campgrounds, fishing access sites and boat ramps often have one that isn't on the map yet.
Restroom locations and map details: © OpenStreetMap contributors, Open Database License, read Oct 24, 2026. Ratings, answers and photos are members' own; who shared them is never shown, and every photo is reviewed before it appears. Visits older than 18 months no longer count. Distances are straight-line miles, not driving. Nothing here grants access to private land. Community guidelines.
Special-regulation trout waterRepresentative photo · not Mud CreekThe Neversink River at Oakland Valley, New York. Photo: Daniel Case, CC BY-SA 4.0, cropped, via Wikimedia Commons Not Mud Creek.
New York · about 6 mi
Special-regulation trout waterRepresentative photo · not Swan RiverEsopus Creek at Big Indian, New York. Photo: Daniel Case, CC BY-SA 4.0, via Wikimedia Commons Not Swan River.
New York · about 6 mi
Special-regulation trout waterRepresentative photo · not Patchogue RiverWillowemoc Creek east of Livingston Manor, New York. Photo: Donald B. Siano, public domain, via Wikimedia Commons Not Patchogue River.
New York · about 8 mi
Special-regulation trout waterRepresentative photo · not Tuthills CreekThe Beaverkill in autumn rain. Photo: Jack Enright, CC BY-SA 3.0, via Wikimedia Commons Not Tuthills Creek.
New York · about 8 mi
Special-regulation trout waterRepresentative photo · not Beaverdam CreekThe East Branch Delaware River at its confluence with the Beaverkill, East Branch, New York. Photo: Daniel Case, CC BY-SA 4.0, via Wikimedia Commons Not Beaverdam Creek.
New York · about 13 mi
Special-regulation trout waterRepresentative photo · not Connetquot RiverA foggy morning on the Upper Delaware Scenic and Recreational River. Photo: National Park Service, public domain, via Wikimedia Commons Not Connetquot River.
New York · about 14 mi
Seasons, limits, special regulations and closures for each reach are on the agency pages below. Read them before you go.
Each comes from the agency's own published list; where the list names a reach it is quoted. A designation applies to the listed reach, not necessarily the whole water. Listed in the finder under trout.
On the DEC Region 1 (Long Island) fly-fishing-only trout stream reaches list (New York State Department of Environmental Conservation (NYSDEC), Bureau of Fisheries, read 2026-10-22). All waters with this designation
On the DEC Region 1 (Long Island) trout stream special regulations list (New York State Department of Environmental Conservation (NYSDEC), Bureau of Fisheries, read 2026-10-22). All waters with this designation
Measured from the NHDPlus High Resolution (flowlines and waterbodies) (U.S. Geological Survey, read 2026-11-04) for this water’s own mapped feature. Rounded figures; they describe the channel, not today’s conditions.
Areas the Protected Areas Database of the United States (PAD-US), public access (U.S. Geological Survey, Gap Analysis Project, read 2026-11-05) lists as owned or held in easement and open to the public, crossed by the mapped channel. Boundaries are mapped, not surveyed. Nothing on this page grants or implies access: check the agency map, posted signs and landowner permission before you fish.
4.5 of 12.9 mi on public land
Nothing on this page grants or implies access.
From the agency’s own records (Fish Stocking Lists (Actual): Beginning 2011, New York State Department of Environmental Conservation (NYSDEC), via data.ny.gov, read 2026-11-04), listed as Carmans River (Suffolk County). Check the agency for this season.
Past stockings, not a schedule
2025: Brown Trout, Rainbow Trout in Mar, Apr, May, Oct (12 stockings, 2,450 fish).
2024: Brown Trout, Rainbow Trout in Mar, Apr, May, Sep (12 stockings, 2,390 fish).
2023: Brown Trout, Rainbow Trout in Mar, Apr, Sep (12 stockings, 2,380 fish).
Listings marked Unclaimed are built from open map records and the business's own website: confirm licensing, rates, dates and hours directly.
What 1 nearby guide website mention: what guides advertise, not a survey or a promise of what you will catch.
Named on 1 nearby guide website
8 hatches charted for the region, not measured on this water. From Pennsylvania Fish & Boat Commission.
Blue Quill (April) · Hendrickson (April) · Quill Gordon (April) · Green drake (May) · Mayflies (best hatches) (May) · Mayflies, stoneflies and caddisflies (June to September) · and 2 more on the chart
Oakdale sits on Long Island's South Shore beside Connetquot River State Park Preserve, where the Connetquot runs to the Great South Bay; the Carmans, Swan and Patchogue rivers reach the bays to the east, and the Nissequogue flows north to Long Island Sound through Caleb Smith State Park Preserve near Smithtown.
Destination hub · 13 mi away in a straight line
A practical checklist for fly fishing small mountain trout streams: a short 3–4 weight rod, light line, a few buoyant dries and simple wet-wading gear, with estimated prices and where to buy.
7′6″–8′6″ rod, 3–4 weight, floating line · Brook, cutthroat, rainbow and brown trout
Open the checklistSeams, shelves and soft water, shown on real rivers.
Public YouTube videos from established channels, chosen by us to support this page. Not sponsored; the creators are not affiliated with Legendary Fly Gear.
Not sponsored All videos on reading water
Indicator rigs, depth and detecting the take.
Public YouTube videos from established channels, chosen by us to support this page. Not sponsored; the creators are not affiliated with Legendary Fly Gear.
Not sponsored All videos on nymphing
Trip stories anglers chose to share publicly and tagged with Carmans River.
No stories from here yet.
Not a statement of access, fish presence or conditions.
A water page organises discovery. It does not assert public access, legal access, current fish presence, guide availability or fishing conditions.
Flows, gauge statistics and flood stages come from USGS and the National Weather Service when the page is shown. Regulations, stocking, species and season statements link to the agency that publishes them; this page copies only the species names and the quoted sentences. Guide and shop listings come from the Legendary directories. Position: the USGS gauge CARMANS RIVER AT YAPHANK NY. Water type is our own classification.
Limited data: Not enough data: no water temperature or flow statistics here
No water temperature, flow statistics here.
At CARMANS RIVER AT YAPHANK NY (USGS 01305000) Provisional USGS data
USGS 01305000
What the agencies suggest
Carry a pocket thermometer to monitor water temperatureNational Park Service
General guidance from the readings and the published lines named above, not a fishing forecast. Local rules and closures come first.
Reading Nov 3, 1:00 AM EST · provisional USGS data
This is the latest value USGS returned and it is more than a day old. It is not today's flow.
Discharge, last 7 days: 104 readings from Oct 29, 7:30 PM EDT to Nov 3, 1:00 AM EST; ranging 11.3 to 11.9 ft³/s; latest 11.4 ft³/s.
USGS provisional data may be revised. Source: USGS instantaneous values.
| Time | Discharge (ft³/s) | Gauge height (ft) |
|---|---|---|
| Nov 3, 1:00 AM EST | 11.4 | 1.05 |
| Nov 3, 12:00 AM EST | 11.4 | 1.05 |
| Nov 2, 11:00 PM EST | 11.5 | 1.05 |
| Nov 2, 10:00 PM EST | 11.5 | 1.05 |
| Nov 2, 9:00 PM EST | 11.5 | 1.05 |
| Nov 2, 8:00 PM EST | 11.4 | 1.05 |
| Nov 2, 7:00 PM EST | 11.5 | 1.05 |
| Nov 2, 6:00 PM EST | 11.5 | 1.05 |
| Nov 2, 5:00 PM EST | 11.5 | 1.05 |
| Nov 2, 4:00 PM EST | 11.5 | 1.05 |
| Nov 2, 3:00 PM EST | 11.5 | 1.05 |
| Nov 2, 2:00 PM EST | 11.5 | 1.05 |
| Nov 2, 1:00 PM EST | 11.4 | 1.05 |
| Nov 2, 12:00 PM EST | 11.4 | 1.05 |
| Nov 2, 11:00 AM EST | 11.5 | 1.05 |
| Nov 2, 10:00 AM EST | 11.4 | 1.05 |
| Nov 2, 9:00 AM EST | 11.4 | 1.05 |
| Nov 2, 8:00 AM EST | 11.4 | 1.05 |
| Nov 2, 7:00 AM EST | 11.3 | 1.04 |
| Nov 2, 6:00 AM EST | 11.4 | 1.05 |
| Nov 2, 5:00 AM EST | 11.3 | 1.04 |
| Nov 2, 4:00 AM EST | 11.4 | 1.05 |
| Nov 2, 3:00 AM EST | 11.4 | 1.04 |
| Nov 2, 2:00 AM EST | 11.4 | 1.05 |
| Nov 2, 1:00 AM EST | 11.4 | 1.05 |
| Nov 2, 12:00 AM EST | 11.4 | 1.04 |
| Nov 1, 11:00 PM EST | 11.4 | 1.05 |
| Nov 1, 10:00 PM EST | 11.4 | 1.05 |
| Nov 1, 9:00 PM EST | 11.4 | 1.05 |
| Nov 1, 8:00 PM EST | 11.5 | 1.05 |
| Nov 1, 7:00 PM EST | 11.4 | 1.05 |
| Nov 1, 6:00 PM EST | 11.4 | 1.05 |
| Nov 1, 5:00 PM EST | 11.4 | 1.05 |
| Nov 1, 4:00 PM EST | 11.5 | 1.05 |
| Nov 1, 3:00 PM EST | 11.5 | 1.05 |
| Nov 1, 2:00 PM EST | 11.5 | 1.05 |
| Nov 1, 1:00 PM EST | 11.4 | 1.05 |
| Nov 1, 12:00 PM EST | 11.5 | 1.05 |
| Nov 1, 11:00 AM EST | 11.4 | 1.05 |
| Nov 1, 10:00 AM EST | 11.5 | 1.05 |
| Nov 1, 9:00 AM EST | 11.3 | 1.04 |
| Nov 1, 8:00 AM EST | 11.4 | 1.04 |
| Nov 1, 7:00 AM EST | 11.3 | 1.04 |
| Nov 1, 6:00 AM EST | 11.3 | 1.04 |
| Nov 1, 5:00 AM EST | 11.4 | 1.05 |
| Nov 1, 4:00 AM EST | 11.4 | 1.05 |
| Nov 1, 3:00 AM EST | 11.4 | 1.05 |
| Nov 1, 2:00 AM EST | 11.5 | 1.05 |
| Nov 1, 1:00 AM EST | 11.4 | 1.05 |
| Nov 1, 1:00 AM EDT | 11.4 | 1.05 |
| Nov 1, 12:00 AM EDT | 11.4 | 1.05 |
| Oct 31, 11:00 PM EDT | 11.5 | 1.05 |
| Oct 31, 10:00 PM EDT | 11.5 | 1.05 |
| Oct 31, 9:00 PM EDT | 11.5 | 1.05 |
| Oct 31, 8:00 PM EDT | 11.5 | 1.05 |
| Oct 31, 7:00 PM EDT | 11.5 | 1.05 |
| Oct 31, 6:00 PM EDT | 11.6 | 1.05 |
| Oct 31, 5:00 PM EDT | 11.6 | 1.05 |
| Oct 31, 4:00 PM EDT | 11.6 | 1.05 |
| Oct 31, 3:00 PM EDT | 11.6 | 1.05 |
| Oct 31, 2:00 PM EDT | 11.5 | 1.05 |
| Oct 31, 1:00 PM EDT | 11.5 | 1.05 |
| Oct 31, 12:00 PM EDT | 11.5 | 1.05 |
| Oct 31, 11:00 AM EDT | 11.4 | 1.05 |
| Oct 31, 10:00 AM EDT | 11.5 | 1.05 |
| Oct 31, 9:00 AM EDT | 11.5 | 1.05 |
| Oct 31, 8:00 AM EDT | 11.5 | 1.05 |
| Oct 31, 7:00 AM EDT | 11.6 | 1.05 |
| Oct 31, 6:00 AM EDT | 11.6 | 1.05 |
| Oct 31, 5:00 AM EDT | 11.6 | 1.05 |
| Oct 31, 4:00 AM EDT | 11.6 | 1.05 |
| Oct 31, 3:00 AM EDT | 11.6 | 1.05 |
| Oct 31, 2:00 AM EDT | 11.7 | 1.05 |
| Oct 31, 1:00 AM EDT | 11.7 | 1.05 |
| Oct 31, 12:00 AM EDT | 11.7 | 1.05 |
| Oct 30, 11:00 PM EDT | 11.7 | 1.05 |
| Oct 30, 10:00 PM EDT | 11.7 | 1.05 |
| Oct 30, 9:00 PM EDT | 11.7 | 1.05 |
| Oct 30, 8:00 PM EDT | 11.8 | 1.06 |
| Oct 30, 7:00 PM EDT | 11.8 | 1.06 |
| Oct 30, 6:00 PM EDT | 11.8 | 1.06 |
| Oct 30, 5:00 PM EDT | 11.9 | 1.06 |
| Oct 30, 4:00 PM EDT | 11.8 | 1.06 |
| Oct 30, 3:00 PM EDT | 11.8 | 1.06 |
| Oct 30, 2:00 PM EDT | 11.8 | 1.06 |
| Oct 30, 1:00 PM EDT | 11.8 | 1.06 |
| Oct 30, 12:00 PM EDT | 11.8 | 1.06 |
| Oct 30, 11:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 10:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 9:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 8:00 AM EDT | 11.9 | 1.06 |
| Oct 30, 7:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 6:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 5:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 4:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 3:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 2:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 1:00 AM EDT | 11.8 | 1.06 |
| Oct 30, 12:00 AM EDT | 11.8 | 1.06 |
| Oct 29, 11:00 PM EDT | 11.7 | 1.05 |
| Oct 29, 10:00 PM EDT | 11.8 | 1.06 |
| Oct 29, 9:00 PM EDT | 11.8 | 1.06 |
| Oct 29, 8:00 PM EDT | 11.8 | 1.06 |
| Oct 29, 7:30 PM EDT | 11.8 | 1.06 |
Not compared with the record because the reading is old.
The National Weather Service has no flood-stage gauge here, so no official flood category is shown.
No current water-temperature reading at this gauge, so no temperature guidance is given. Take a stream thermometer: the trout lines New York DEC uses are 70°F.
This gauge is on our page for Carmans River, but no agency page we read lists its species.
Turn Around Don't Drown. “A mere 6 inches of fast-moving flood water can knock over an adult.” No flow number makes a crossing safe; if in doubt, stay out.
Turn Around Don't Drown (National Weather Service)Guidance from the readings above and the published thresholds named with each line; not a fishing forecast, a safety guarantee or a statement about access. Local rules and closures come first.
Checked Nov 5, 6:18 PM EST; readings refresh at most every 15 minutes and statistics daily. Provisional USGS data can be revised. Conditions change: re-check before you go. This is general guidance, not a fishing forecast, a safety guarantee or a statement about access.
Special-regulation trout waterRepresentative photo · not Mud CreekThe Neversink River at Oakland Valley, New York. Photo: Daniel Case, CC BY-SA 4.0, cropped, via Wikimedia Commons Not Mud Creek.
New York · about 6 mi
Special-regulation trout waterRepresentative photo · not Swan RiverEsopus Creek at Big Indian, New York. Photo: Daniel Case, CC BY-SA 4.0, via Wikimedia Commons Not Swan River.
Special-regulation trout waterRepresentative photo · not Patchogue RiverWillowemoc Creek east of Livingston Manor, New York. Photo: Donald B. Siano, public domain, via Wikimedia Commons Not Patchogue River.
New York · about 8 mi
Special-regulation trout waterRepresentative photo · not Tuthills CreekThe Beaverkill in autumn rain. Photo: Jack Enright, CC BY-SA 3.0, via Wikimedia Commons Not Tuthills Creek.
New York · about 8 mi
Special-regulation trout waterRepresentative photo · not Beaverdam CreekThe East Branch Delaware River at its confluence with the Beaverkill, East Branch, New York. Photo: Daniel Case, CC BY-SA 4.0, via Wikimedia Commons Not Beaverdam Creek.
New York · about 13 mi
Special-regulation trout waterRepresentative photo · not Connetquot RiverA foggy morning on the Upper Delaware Scenic and Recreational River. Photo: National Park Service, public domain, via Wikimedia Commons Not Connetquot River.
New York · about 14 mi
