New England, United States
    Aspectuck Land Trust Inc 3

    Penfield Reef

    Best months: Jul–Sep

    Protected Area

    Aspectuck Land Trust Inc 3

    Why dive here

    With 35+ marine species recorded in the area - including nurse sharks - Penfield Reef offers some of New England's richest reef 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
    CharacterReef dive

    Penfield Reef isn't a tropical postcard. Let's get that out of the way. This is classic New England diving, and we absolutely love it for its rugged charm and surprising residents. You're not coming here for coral, but for the thrill of exploring a rocky, kelp-draped environment that feels genuinely wild. We've spent more than a few hours finning around Penfield, usually at slack tide to avoid fighting the surge. Visibility can swing wildly; one day it's 10 metres of milky green, the next you're squinting through a thick pea soup. But when it's good, it's really good. Keep an eye peeled for the common seals, often lounging on the rocks or zipping past, their curiosity often getting the better of them. We've also had fantastic encounters with long-armed hermit crabs scuttling over the rocks and schools of butterfish darting through the kelp. It’s a site that rewards patience and a keen eye for macro life amongst the algae. This site is perfect for cold-water divers who appreciate unique marine life and the quiet challenge of a temperate dive. If you're looking for a different kind of beauty, Penfield delivers a truly authentic New England underwater experience.

    Safety Notes

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

    Today06:0017:2211h 22m daylightGolden hour 16:45

    Nearest Dive Centres to Penfield Reef

    Dive shops near Penfield Reef

    View all dive centres in New England

    Reviews for Penfield Reef

    Sign in to write a review

    Conditions

    Ocean conditions, forecast and tides for Penfield Reef

    Penfield Reef Ocean Conditions

    Monthly averages for Penfield Reef, 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

    Plan & book

    Ways to dive New England, from day trips to liveaboards.

    Day trips & courses

    via GetYourGuide

    Guided dives, courses and snorkel trips with instant booking.

    Find dive trips in New England

    Places to stay

    via Booking.com

    Hotels and dive resorts near New England.

    Search stays in New England

    Dive insurance

    Most travel insurance excludes or limits scuba. Check what you need before you go.

    Dive insurance explained

    Partner links: we may earn a commission if you book, at no extra cost to you. How we make money

    Where to Stay near Penfield Reef

    Prices from Booking.com. We may earn a commission at no extra cost to you.

    Back to New England