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Where to fish

  • Forecast
  • Catches

Mine

  • Favorites
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United States / Connecticut / Bay Port Jefferson Harbor

Bite forecast: Bay Port Jefferson Harbor

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Best fishing days for the next week

  1. TuesdaySeptember 8weather-based forecast
    73/100high activity

    Cloudy: 59–81 °F

Bay Port Jefferson Harbor (Connecticut) — one of the area's fishing spots. Salt water, not fresh — so this page carries its own marine bite forecast. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.

Thursday
September 3
weather-based forecast
63/100high activity

Cloudy: 66–79 °F

  • FridaySeptember 4weather-based forecast
    61/100high activity

    Rain: 66–81 °F

  • Nearby rivers

    • Old Mill Creek1 mi

    Nearby water bodies

    • BayPort Jefferson Harbor0 mi
    • BaySetauket Harbor1 mi
    • BaySetauket Harbor1 mi
    • ReservoirSetauket Mill Pond2 mi
    • PondMill Pond2 mi
    • PondSetauket Lake2 mi
    • LakeFlax Pond3 mi
    • PondStony Brook Mill Pond5 mi
    • LakeStony Brook Mill Pond5 mi
    • LakeM Section Basin6 mi
    Loading map…

    Catches

    Recorded 1 catch here. Most commonly caught: Largemouth bass. Peak season: January.

    • Largemouth bass
      Spring Lake
      45 °F13 mph
      Jan 03, 2019

    Bite calendar

    Aug 31 – Sep 6
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    BluefishFlounderStriped bassBrown trout

    Bluefish

    7/10 · Good

    Hourly activity

    0:006:0012:0018:0023:00
    Bite activity:highmediumlow

    The bite is strong — fish are active. Weather is steady, with no sharp swings — fish behave predictably.

    Peak bite hours

    Best time — 06:00–08:00 (dawn bite) and 19:00–21:00 (dusk bite).

    Tactics

    Look for structure — reefs, flats, channel edges; work them slowly near the bottom.

    Lures

    In clear water, natural colors work best: trolling spoon or live bait.

    Gear

    No special gear needed — seasonal clothing will do.

    Summary

    Worth going — it's a productive day.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 69 °F — inside the 57–75 °F comfort range for Bluefish, so baseline activity is high.

    Computed water temperature by month; the green band is the 57–75 °F comfort rangecomfort 57–75 °F69 °F
    JFMAMJJASOND

    Bluefish works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.

    The day: daylight hours and when Bluefish feeds0:0012:0024:00

    Pressure is flat: it moves no more than 0.00 inHg over the day, so the weather isn't shifting today's bite.

    Pressure through the day, 0.00 inHg change
    00:00 · 30.0723:00 · 30.08 inHg

    One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.

    Feeding windows on the day scale0:0012:0024:00

    September is peak season for Bluefish here.

    JFMAMJJASOND

    These are the same values the bite curve above was computed from. How the forecast works

    Tides

    • High water01:442.6 ft
    • Low water08:13-5.0 ft
    • High water14:233.1 ft
    • Low water21:03-4.6 ft
    0:006:0012:0018:0023:000:006:0012:0018:0023:00
    Sea level height by hour
    00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
    1.3 ft2.4 ft2.6 ft2.0 ft0.8 ft-1.1 ft-3.1 ft-4.4 ft-5.0 ft-4.7 ft-3.6 ft-1.7 ft0.5 ft2.2 ft3.0 ft2.9 ft2.1 ft0.5 ft-1.4 ft-3.1 ft-4.2 ft-4.6 ft-4.3 ft-3.1 ft

    Open-Meteo tide model, grid point 6 mi away

    Water

    Water temp.
    73 °F
    In the model
    69 °F
    Wave
    1.3 ft
    Period
    3 s

    Open-Meteo Marine model, grid cell 6.0 mi from the waterbody. Values are daily means.

    2 SepWednesday, September 2
    +69°

    Cloudy · feels like +70°

    Low / high
    +61°…+73°
    Precipitation
    0.00 in
    Wind
    6 mph E
    Cloud cover
    98%
    Humidity
    67%
    Pressure
    30.16 inHg
    00:00+62°—7 mphnortheast wind, 7 mph91%100%
    01:00+62°—7 mphnortheast wind, 7 mph90%100%
    02:00+62°—6 mphnortheast wind, 6 mph92%100%
    03:00+62°—5 mphnortheast wind, 5 mph91%100%
    04:00+62°—4 mphnortheast wind, 4 mph90%100%
    05:00+62°—4 mphnortheast wind, 4 mph89%100%
    06:00+61°—4 mphnortheast wind, 4 mph89%59%
    07:00+61°—4 mphnortheast wind, 4 mph89%100%
    08:00+63°—7 mphnortheast wind, 7 mph85%100%
    09:00+64°—7 mpheast wind, 7 mph84%99%
    10:00+65°—6 mpheast wind, 6 mph80%100%
    11:00+67°—7 mpheast wind, 7 mph75%100%
    12:00+69°—6 mpheast wind, 6 mph67%98%
    13:00+72°—7 mpheast wind, 7 mph64%100%
    14:00+73°—6 mpheast wind, 6 mph60%100%
    15:00+73°—6 mpheast wind, 6 mph62%100%
    16:00+73°—7 mphsoutheast wind, 7 mph63%100%
    17:00+72°—6 mphsoutheast wind, 6 mph64%100%
    18:00+70°—6 mphsoutheast wind, 6 mph71%100%
    19:00+67°—5 mphsoutheast wind, 5 mph77%100%
    20:00+66°—5 mphsoutheast wind, 5 mph79%100%
    21:00+64°—5 mphsoutheast wind, 5 mph77%100%
    22:00+65°—4 mphsoutheast wind, 4 mph77%100%
    23:00+64°—5 mphsoutheast wind, 5 mph84%100%
    +73°+67°+61°
    Weather throughout the day
    0:006:0012:0018:0023:00

    Sun and moon

    Wednesday, September 2
    The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
    DaylightMoon above the horizon
    Sunrise
    06:16
    Sunset
    19:21
    Day length
    13 h 5 min
    Sunshine hours
    4 h 12 min
    UV index
    6
    high
    Moon
    Waning gibbous
    Moonrise
    21:55
    Moonset
    12:26

    The day is 3 min shorter than yesterday.

    Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.

    Solunar feeding periods

    +12% in the windowWednesday, September 2
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major03:46–05:46Moon overhead
    • Minor11:56–12:56Moonset
    • Major16:14–18:14Moon underfoot
    • Minor21:25–22:25Moonrise

    The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.

    What are solunar periods?