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Spawn timing & temperature guide

Striped Bass (Coastal) spawn timing guide.

Morone saxatilisInshore SaltwaterBroadcast spawnerPeer-reviewed

The Striped Bass (Coastal) spawn cycle is driven by water temperature, not calendar date — fish initiate spawn behavior when water reaches 55°F regardless of when that happens in your region. Pre-spawn striped bass migrate from coastal Atlantic into tributary rivers (Chesapeake, Delaware, Hudson) as water temperatures climb throug

Striped Bass (Coastal) spawn temperature gauge

Spawn behavior is driven by water temperature, not calendar date. The same striped bass (coastal) may spawn weeks earlier in southern range than northern — track water temp, not the date.

32°37°42°47°52°57°62°67°72°77°82°87°Peak 58–65°F
Pre-spawn — best fishingPeak spawn — conservationPost-spawn — recovery feeding·Dashed line = peak spawn boundaries

Striped Bass (Coastal) spawn cycle

Pre-Spawn
50–55°F
Trophy fishing
Spawn
55–70°F (peak 58–65°F)
Conservation window
Post-Spawn
70–78°F (~14 days)
Recovery feeding
Summer Pattern
Above 78°F
Standard summer patterns

Phase-by-phase breakdown

Pre-Spawn

Trophy fishing window
50–55°F

Pre-spawn striped bass migrate from coastal Atlantic into tributary rivers (Chesapeake, Delaware, Hudson) as water temperatures climb through low 50s.

The Chesapeake spring trophy striper season targets pre-spawn bull stripers staging at the Bay mouth — VA trophy season runs through May.

Spawn

Conservation window
55–70°F (peak 58–65°F)

Active spawning behavior. Broadcast spawners — eggs require flowing brackish water to remain suspended. Chesapeake Bay, Delaware Bay, and Hudson River produce the bulk of Atlantic Coast striped bass.

Atlantic striped bass populations are under ASMFC rebuilding plan due to overfishing and reduced recruitment. Slot limits are tight, harvest is restricted, and most coastal states have implemented add

Conservation context

Atlantic striped bass populations are under ASMFC rebuilding plan due to overfishing and reduced recruitment. Slot limits are tight, harvest is restricted, and most coastal states have implemented additional spawn-period protections. C&R for trophy bull stripers (40+ inches) is widely practiced.

Post-Spawn

Recovery feeding
70–78°F (~14 days)

Post-spawn coastal stripers leave tributary rivers and migrate north along the Atlantic coast through spring and summer.

The post-spawn striped bass migration is the iconic East Coast inshore event — fish push north from Chesapeake toward Maine.

Summer Pattern

Standard patterns
Above 78°F

Fish disperse to summer habitat and feeding patterns. Spawn cycle complete until following year.

Standard summer fishing tactics apply.

Regional spawn windows

Striped Bass (Coastal) spawn timing varies by region. Southern range fish initiate spawn first; northern fish later.

  • Delaware BayApril – June

    Delaware Bay striped bass spawn peaks May.

    JanJan — Outside spawn windowFebFeb — Outside spawn windowMarMar — Pre-spawn — water rising toward 55°FAprApr — Peak spawn (58–65°F)MayMay — Peak spawn (58–65°F)JunJun — Peak spawn (58–65°F)JulJul — Post-spawn — water at 70°F+AugAug — Outside spawn windowSepSep — Outside spawn windowOctOct — Outside spawn windowNovNov — Outside spawn windowDecDec — Outside spawn window
    Typical window: April – June
  • Chesapeake Bay (Upper)April – June

    Upper Chesapeake (Susquehanna Flats) is the largest single Atlantic striper spawning population — peaks late April to early May.

    JanJan — Outside spawn windowFebFeb — Outside spawn windowMarMar — Pre-spawn — water rising toward 55°FAprApr — Peak spawn (58–65°F)MayMay — Peak spawn (58–65°F)JunJun — Peak spawn (58–65°F)JulJul — Post-spawn — water at 70°F+AugAug — Outside spawn windowSepSep — Outside spawn windowOctOct — Outside spawn windowNovNov — Outside spawn windowDecDec — Outside spawn window
    Typical window: April – June
  • Chesapeake Bay (Lower)April – June

    Lower Chesapeake (Rappahannock, James) spawn peaks April–May.

    JanJan — Outside spawn windowFebFeb — Outside spawn windowMarMar — Pre-spawn — water rising toward 55°FAprApr — Peak spawn (58–65°F)MayMay — Peak spawn (58–65°F)JunJun — Peak spawn (58–65°F)JulJul — Post-spawn — water at 70°F+AugAug — Outside spawn windowSepSep — Outside spawn windowOctOct — Outside spawn windowNovNov — Outside spawn windowDecDec — Outside spawn window
    Typical window: April – June

Spawn habitat

  • Tidal rivers
  • Brackish water with sufficient flow
Typical depth: 5–30 ft
Male vs. female behavior

Broadcast spawners — eggs require flowing brackish water to remain suspended. Chesapeake Bay, Delaware Bay, and Hudson River produce the bulk of Atlantic Coast striped bass.

Closed seasons & regulations

The following states have closed seasons or restrictions for striped bass (coastal) during peak spawn:

Source

ASMFC Striped Bass Stock Assessments. Atlantic States Marine Fisheries Commission.

Source documentation →

Track water temp for striped bass (coastal) spawn timing.

Bield: Fish ties USGS gauge data and your saved species to spawn thresholds. Get notified when striped bass (coastal) hit pre-spawn temperature in your area.

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