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Map of Yellowbar Reef
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Boat entry

Yellowbar Reef

New York, United States
Open Water suggested8–12 m depthBoat entry3mm wetsuit typical

Boat dive — see Entry & access.

Yellowbar Reef at a glance

Yellowbar Reef is a boat dive site in New York, United States with depths of 7.6–12.2 m (25–40 ft). Typically most favorable Jul · from 3 years of archive data. Divers commonly see Cunner, Tautog (blackfish), and Black sea bass. Recent reports put the water around 23°C (74°F). Check the latest conditions and entry details before you go.

Marine model · graded 14h ago
0.8 mwaves — under a meter expected

Tap a factor for its source and model point · Forecast 23°C · seasonal avg 21°C

Site hazards: Boat traffic in Great South Bay near the bridge; reduced visibility from sediment/tide; fishing tackle on structure.

Read the full hazards ↓

Dive windows this week

Best: Sat
Fri7:00–20:00
Sat7:00–20:00
Sun7:00–20:00
Mon7:00–20:00
Tue7:00–20:00
Wed7:00–19:00
Thu7:00–19:00

Favorable windowModerate window— no window

First light 6:02 · Sunrise 6:30 · Sunset 19:08

Source: Open-Meteo marine · model point 2.9 km from site · graded 14h ago

Forecast only — always assess conditions on site.

Forecast · NOAA tide model

Tide & slack timing

Loading tide predictions

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.

Dived here today — did the forecast match?

What Divers Say

Known for: Cunner, Tautog (blackfish), Black sea bass
Best time: Summer on a slack/incoming tide for best clarity.

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.

  1. Jan30%6°C1.7 m
  2. Feb34%5°C1.7 m
  3. Mar26%6°C1.8 m
  4. Apr40%8°C1.5 m
  5. May62%13°C1.3 m
  6. Jun76%18°C1.1 m
  7. Jul77%23°C1.1 m
  8. Aug67%22°C1.3 m
  9. Sep51%21°C1.5 m
  10. Oct49%18°C1.6 m
  11. Nov40%14°C1.4 m
  12. Dec31%9°C1.7 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 seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Fills & rentals nearby

No dive shops mapped within 25 km. Know one? Add it to the map.

Data updated July 2026

Site details

Yellowbar (Fisherman) Reef is a small 7-acre NYSDEC artificial reef in Great South Bay, about 900 yards east of the Robert Moses Fixed Bridge, in 25-40 ft of water. Built from three vessels, a barge, pontoons, 100 concrete Reef Ball units, concrete forms and pipes, it is a sheltered, shallow bay reef good for newer divers. Black sea bass, tautog, scup and flounder use the structure; visibility is limited and tide-dependent.

boatreefwreck

Boat traffic in Great South Bay near the bridge; reduced visibility from sediment/tide; fishing tackle on structure.

Reviews

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