15-30m
    New England, United States
    Harbor Flats

    Josephine Marie Wreck

    Best months: Jul–Sep

    Protected Area

    Harbor Flats

    Why dive here

    With 35+ marine species recorded in the area - including nurse sharks - Josephine Marie Wreck offers some of New England's richest wreck diving. Water ranges 4-19°C, warmest July, August, September.

    Best timeJul–Sep
    WetsuitA 5mm wetsuit
    Marine lifeNurse Sharks · 35+ species recorded
    Water4-19°C · warmest July, August, September
    CharacterWreck dive · max 15-30m

    The Josephine Marie isn't just another lump of metal on the seabed. For us, it’s a proper New England story, resting upright, a trawler from the 1960s that went down in 1992. When you drop down, the sheer scale hits you; it’s a big boat, sitting proud, and even in lower visibility, its silhouette is impressive. We love exploring the wheelhouse, still largely intact, which gives a real sense of its working life. Penetration is possible for trained wreck divers, but even staying outside, the stern and bow offer plenty to see. Look for the massive propeller, often covered in anemones and nudibranchs, our favourite macro subjects here. Lingcod often lurk in the deeper sections, and we’ve seen schools of pollock swirling above the deck like a silver cloud. Currents can be strong, especially on tide changes, so time your dive accordingly. We’d suggest a slack high tide for the calmest conditions. It’s a dive that rewards multiple visits; each time, you’ll pick out new details, another resident crab scuttling from a pipe, or a different bloom of jewel anenomes on the deck rails. It suits divers comfortable with colder water and who appreciate the history embedded in a wreck.

    Typical Josephine Marie Wreck Dive Profile

    5m10m15mSafety Stop0m15m max~50 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Cold water this month (avg 15°C). Drysuit or thick wetsuit (7mm+) recommended.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:4817:0911h 21m daylightGolden hour 16:31

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    Conditions

    Ocean conditions, forecast and tides for Josephine Marie Wreck

    Josephine Marie Wreck Ocean Conditions

    Monthly averages for Josephine Marie Wreck, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (42.6, -70.6) (0km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    15°C

    59°F · Range: 12.8–18.1°C

    Air Temperature

    10°C

    50°F

    Wind Speed

    3.78 m/s

    7.3 knots

    Atmospheric Pressure

    1017 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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