How deep is Fort Wetherill State Park?

Fort Wetherill State Park has a depth range of 3–27.4 metres (10–90 feet). Check the dive site page for current conditions and any depth-specific guidance before planning your dive.

Can beginners dive Fort Wetherill State Park?

Fort Wetherill State Park is rated as advanced difficulty, which may not suit new divers. A Open Water for the coves; Advanced Open Water recommended for the Bull Point wall (depths approaching 90-100 ft). certification or equivalent is suggested. Consider your experience level, conditions, and local guidance before planning.

What will I see at Fort Wetherill State Park?

Divers at Fort Wetherill State Park in United States commonly report sightings of Tautog (blackfish), Cunner, American lobster, Winter flounder, and Striped bass. Marine life varies by season and conditions—check the site page for recent diver observations and photos.

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AdvancedShore entry

Fort Wetherill State Park

Q: When is the best time to dive Fort Wetherill State Park?

The best time to dive Fort Wetherill State Park is typically Diveable year-round; late summer and early fall bring the warmest water, best visibility and seasonal tropical strays carried by the Gulf Stream. Calm shoulder-season days are good for the cove entries.. Conditions vary, so check the latest reports and forecasts on the dive site page before your trip.

Rhode Island, United States

Open Water suggested3–27 m depthShore entry5mm wetsuit typical

Fort Wetherill State Park at a glance

Fort Wetherill State Park is a advanced shore dive site in Rhode Island, United States with depths of 3–27.4 m (10–90 ft). Typically most favorable Jul · from 3 years of archive data. Divers commonly see Tautog (blackfish), Cunner, and American lobster. Recent reports put the water around 20°C (68°F). Check the latest conditions and entry details before you go.

Marine model · graded 3h ago

0.8 mwaves — under a meter expected

Tap a factor for its source and model point · Forecast 20°C · seasonal avg 21°C

Site hazards: Variable visibility (0-15 ft); boat traffic near the boat ramp; rocky bottom and slippery rocks on the cliff-path entries; current and surge at Bull Point and outside the coves; cold water most of the year; fishing line entanglement on the rocks.

Read the full hazards ↓

Dive windows this week

Best: Sun

Sun6:00–21:00

Mon6:00–21:00

Tue6:00–21:00

Wed—

Thu—

Fri—

Sat6:00–21:00

Favorable windowModerate window— no window

First light 5:03 · Sunrise 5:34 · Sunset 20:09

Source: Open-Meteo marine · model point 12 km from site · graded 3h ago

Forecast only — always assess conditions on site.

Forecast · NOAA tide model

Tide & slack timing

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

What Divers Say

Known for: Tautog (blackfish), Cunner, American lobster

Best time: Diveable year-round; late summer and early fall bring the warmest water, best visibility and seasonal tropical strays carried by the Gulf Stream. Calm shoulder-season days are good for the cove entries.

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

Jan68%6°C1.4 m
Feb67%5°C1.4 m
Mar67%5°C1.4 m
Apr71%8°C1.3 m
May89%12°C1.1 m
Jun96%16°C1.0 m
Jul98%21°C0.9 m
Aug90%21°C1.0 m
Sep89%21°C1.1 m
Oct86%17°C1.2 m
Nov71%13°C1.2 m
Dec67%9°C1.5 m

July hastypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life recorded at this site, by month

Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.

Species seen here

Tautog (blackfish)Commonly seen
CunnerCommonly seen
American lobsterCommonly seen
Winter flounderOccasionally seen
Striped bassSeasonal
Longfin squidSeasonal
Northern sea starCommonly seen
Spider crabCommonly seen
NudibranchsOccasionally seen
Tropical strays (butterflyfish, jacks)Seasonal

Amblygaster leiogaster recorded here Sep (1 record)
most recent 2009
Centropristis striata recorded here Jun (1 record)
most recent 2012
Citharichthys stampflii recorded here Jun (1 record)
most recent 2007
Homarus americanus recorded here May (1 record)
most recent 2004
Lagodon rhomboides recorded here Sep (1 record)
most recent 2009
Leucoraja ocellata recorded here Jul (1 record)
most recent 2007
Limanda ferruginea recorded here Jun (1 record)
most recent 2012
Limulus polyphemus recorded here May (1 record)
most recent 2004

Counts are occurrence records near this site from public biodiversity datasets (GBIF), grouped by calendar month across all sampled years. Sightings vary — past records are context, not a prediction.

Fills & rentals nearby

Facts from OpenStreetMap, corrected by the community — listed by distance only. Details change; confirm with the shop.

The Dive Shop3.8 km
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Shop facts come from OpenStreetMap and community corrections, shown nearest first. PickADive lists facts and contacts only — no listing is sponsored or ranked.

Site details

Fort Wetherill State Park in Jamestown is Rhode Island's most popular shore dive and the traditional checkout-dive site for the region, with two sheltered rocky coves flanking a former coastal artillery fort on Narragansett Bay's East Passage. The Right Cove offers an easy boat-ramp entry to about 30 ft, the Left Cove reaches roughly 60 ft, and advanced divers can work out to the Bull Point wall approaching 100 ft. Rocky reef, kelp and abundant New England marine life make it a year-round training and night-dive favorite.

reefshorewall

Variable visibility (0-15 ft); boat traffic near the boat ramp; rocky bottom and slippery rocks on the cliff-path entries; current and surge at Bull Point and outside the coves; cold water most of the year; fishing line entanglement on the rocks.

Reviews

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