Sussex County · stream · order 4 river · ~53 cfs typical
Big Flat Brook
Stocked 2× since 2025 · NJDEP Fish & Wildlife
Big Flat Brook is a stream in Sussex County, New Jersey, stocked with Trout — most recently on Oct 16, 2025. FishableWaters aggregates every stocking record for this water from NJDEP Fish & Wildlife; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Overcast
77°
65°
8 mph
38%
Fri
Overcast
82°
64°
7 mph
1%
Sat
Overcast
87°
66°
8 mph
1%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2025 — | ||||
| Oct 16 | Trout (unspecified) | 1,530 | ||
| Oct 16 | Trout (unspecified) | 1,530 | ||
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- Little Flat Brook0.1 mi
- Lake Shawanni1.4 mi
- Lake Ashroe1.7 mi
- Hornbecks Creek1.8 mi
- Dingmans Creek2.7 mi
- Tillman Brook2.8 mi
- Mecca Lake3.2 mi
- Kittatinny Lake2.6 mi
Seasons, limits, and rules are the state's call — check the official NJ regulations and buy your license before you go. We link the source; we never restate the rules.
Big Flat Brook fishing — FAQ
What fish are stocked in Big Flat Brook?+
Big Flat Brook is stocked with Trout in Sussex County, New Jersey, most recently on Oct 16, 2025 by NJDEP Fish & Wildlife. The full stocking ledger is on this page.
Do I need a license to fish Big Flat Brook?+
Yes — New Jersey requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Big Flat Brook?+
Big Flat Brook is a stream in Sussex County, New Jersey. Driving directions and an interactive topo map are on this page.
Data: NJDEP Fish & Wildlife · updated Oct 16, 2025 · checked daily · we publish what agencies publish, nothing else.