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Nissequogue River trout stocking

Smithtown, Suffolk County, New York · stream

Nissequogue River was last stocked 12 months ago (Oct 1 to 31, 2025). We have 22 stockings on record since Mar 1, 2023, 1 in the last 12 months (340 fish). Most stockings come in March and May. Species stocked: brown trout, rainbow trout.

Last stocked
12 months ago
Oct 1 to 31, 2025
Next planned
Not announced
Last 12 months
1 stocking
340 fish
Water temperature
62°F
Ideal for trout

River conditions

USGS gage: NISSEQUOGUE RIVER AT LANDING AVE AT SMITHTOWN, NY (under 1 km away).

Water temperature
62°F

Ideal for trout. Prime range for trout (about 50 to 65°F): fish are feeding actively.

476685Aug 12Sep 24
Water temperature (daily high), last six weeks (°F), daily. Latest: 61 °F on Sep 24. The green band is the ideal range for trout.

Latest reading Sep 25, 2026, 3:00 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Nissequogue River

  • Overnight
    54°F
    Mostly Cloudy
    wind 17 mph
  • Friday
    67°F
    Mostly Cloudy then Chance Light Rain
    39% rain · wind 18 to 24 mph
  • Friday Night
    55°F
    Rain Likely
    67% rain · wind 25 mph
  • Saturday
    65°F
    Rain
    83% rain · wind 25 mph
  • Saturday Night
    55°F
    Rain
    87% rain · wind 20 to 25 mph
  • Sunday
    65°F
    Rain
    87% rain · wind 22 mph

Forecast from the National Weather Service for this location, refreshed hourly.

When is Nissequogue River stocked?

Most stockings come in March and May.

By month, all years

Jan: 0 stockingsJanFeb: 0 stockingsFebMar: 4 stockings4MarApr: 1 stockings1AprMay: 3 stockings3MayJun: 0 stockingsJunJul: 0 stockingsJulAug: 0 stockingsAugSep: 2 stockings2SepOct: 2 stockings2OctNov: 0 stockingsNovDec: 0 stockingsDec
Stockings of Nissequogue River by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
202611
2025111
2024111
20231111

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Brown trout152,88019211.0 in
Rainbow trout39203079.0 in

Stocking history

DateSpeciesFishPoundsHatchery
Apr 1 to 30, 2026plannedBrown trout230
Apr 1 to 30, 2026plannedBrown trout210
Apr 1 to 30, 2026plannedRainbow trout310
Mar 1 to 31, 2026plannedBrown trout230
Oct 1 to 31, 2025Brown trout85
Oct 1 to 31, 2025Brown trout255
May 1 to 31, 2025Brown trout210
May 1 to 31, 2025Brown trout210
May 1 to 31, 2025Rainbow trout320
Mar 1 to 31, 2025Brown trout210
Sep 1 to 30, 2024Brown trout260
Sep 1 to 30, 2024Brown trout80
May 1 to 31, 2024Brown trout210
May 1 to 31, 2024Brown trout200
May 1 to 31, 2024Rainbow trout300
Mar 1 to 31, 2024Brown trout210
Oct 1 to 31, 2023Brown trout90
Sep 1 to 30, 2023Brown trout260
May 1 to 31, 2023Brown trout200
May 1 to 31, 2023Brown trout200
Show 2 older stockings
DateSpeciesFishPoundsHatchery
May 1 to 31, 2023Rainbow trout300
Mar 1 to 31, 2023Brown trout200

From New York fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go.

Where is Nissequogue River?

Smithtown, Suffolk County, New York. Approximate: the marker is the town the agency names for the stocked section, from USGS place names.

DirectionsLarger map

Stocked waters near Nissequogue River

All stocked waters in Suffolk CountyStocked this week in New York

Questions about Nissequogue River

When was Nissequogue River last stocked?
The latest reported stocking was Oct 1 to 31, 2025 (brown trout, 85 fish), according to New York agency reports.
How often is Nissequogue River stocked?
It was stocked 1 times in the last 12 months. Across all years on record, most stockings come in March and May.
What kind of trout are stocked in Nissequogue River?
Brown trout (15 stockings, 2,880 fish); Rainbow trout (3 stockings, 920 fish).
How warm is the water near Nissequogue River?
The USGS gage read 62°F on Sep 25. Prime range for trout (about 50 to 65°F): fish are feeding actively.