Chesapeake mouth still summer-warm as fall run builds up north
Water at the Chesapeake mouth is still summer-warm this morning, reading 76.5°F at NOAA CO-OPS station 8638610 and 75.7°F a few miles up the bay at station 8637689. That's well inside the range that keeps a fall push on hold. Up the coast, the transition hasn't fully arrived either: Saltwater Edge in Rhode Island called the striped bass bite "pretty lackluster for most" this week, while The Fisherman's New England forecast described the run as stagnant, with water temps barely dropping and little feeding urgency yet. False albacore ("albies") have taken over the RI oceanfront per Saltwater Edge, and The Fisherman's Long Island report has bluefish, weakfish and fluke keeping anglers busy through the fall shift, alongside a tautog bite Saltwater Edge says is picking up.
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If the bay mouth follows the same seasonal clock as the reports farther north, expect little change here until nighttime temperatures drop further. Saltwater Edge expects Rhode Island's striper bite to turn once colder nights and northerly winds set in, and that same cooling is what eventually pushes migrating stripers and bluefish down through the Chesapeake. The Fisherman's NJ/DE forecast also flags fluke season closing out Friday with mostly undersized fish, a sign the summer flatfish bite up the coast is winding down ahead of the fall changeover. With the full moon just passed, tide swings will run larger than average through the weekend, worth building a trip around once local water starts cooling.
Context
Late September at the Chesapeake mouth typically sits in the handoff window between summer holdovers and the first arrivals of migrating striped bass and bluefish as water cools. Mid-70s readings this week are in line with a normal pace for the date, but the slow start to the fall run farther north suggests the Bay's own push may arrive on the later side of typical rather than early, consistent with the stalled pattern reported along the coast.
Synthesized from real-time NOAA buoy data, USGS stream gauges, and current reports across regional fishing blogs, captain updates, and angler forums. Check local regulations before keeping fish. Never trust a single source for a trip decision.
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