Clearwater Harbor: depth, boat ramps and water quality

Boat: 8 ramps and launches on file for this water.
Start here: Launch at Belleair Causeway Public Boat Ramp, 10 lanes, concrete.

The estuary

Clearwater Harbor covers 4,820 acres in Florida, across Pinellas County. It is an estuary: the deepest point measured is 26.4 feet (8.1 m). Our records hold 17 species for this water.

Depth: down to 26.4 ft at the deepest measured point

Deepest measured point: 26.4 ft (8.1 m). We hold 5 depth contours for this water, drawn from 16,221 soundings.

Water and conditions

Water clarity runs 2.3–6.6 feet on our readings, averaging 4.2 feet, from 301 readings. Water temperature averages 77°F across the year. The coldest single reading we hold is 53°F and the warmest is 92°F; the warmest monthly average is 89°F. pH averages 8.1. These readings span 2016–2025.

Monthly average water temperature: Jan 61°F · Feb 65°F · Mar 69°F · Apr 72°F · May 81°F · Jun 87°F · Jul 89°F · Aug 89°F · Sep 85°F · Oct 79°F · Nov 76°F · Dec 69°F

8 ramps and launches on this water

On this water we hold 4 trailer ramps, 2 boat ramps, 2 hand launches and 6 fishing piers.

  • Seminole Street Boat Launch - Clearwater — 8 lanes, concrete, parking for 115 trailers (paved), paid, open around the clock, flush restrooms, dock, lit for night fishing, restrooms, wheelchair access. Clearwater, City of Clearwater. 198 Seminole Street, Clearwater 33755 · phone (727) 562-4955 · website myclearwater.com/government/city-departments/marine-aviation/boat-ramps-slips
  • Belleair Causeway Public Boat Ramp — 10 lanes, concrete, parking for 106 trailers (paved), paid, open around the clock, portable restrooms, dock. Largo, Pinellas County. 3900 W. Bay Dr., Largo 33770 · website pinellascounty.org/park/parkingfees.htm#ramps
  • Clearwater Beach Public Boat Ramp — 1 lane, concrete, parking for 10 trailers (firm unpaved), paid, open around the clock, dock. Clearwater Beach, City of Clearwater. 69 Bay Esplanade, Clearwater Beach 33767 · phone (727) 562-4800 · website myclearwaterparks.com/facilities/facilities-amenities-locator/clearwater-beach-library-recreation-complex
  • Sand Key Park - Sail Craft Launch Beach — sand, parking for 6 trailers, no fee, daylight hours, flush restrooms. Clearwater Beach, City of Clearwater. 1060 Gulf Boulevard, Clearwater Beach 33767 · phone (727) 582-2100 · website pinellascounty.org/park/15_sand_key.htm
  • Belleair Beach 7th Street Boat Ramp (No Parking) — 1 lane, open 6am–8pm. Belleair Beach, City of Belleair Beach. 7th Street and Harbor Drive, Belleair Beach 33786
  • Municipal Marina website dunedingov.com/index.aspx?page=151

Car-top and kayak launches — no trailer

  • Gordon C. McGough Nature Park - Canoe Launch — hand launch. Largo, City of Largo. 11901 146th Street, Largo 33774 · phone (727) 518-3047 · website largo.com/facility_detail_T64_R46.php
  • Sand Key Park - Paddlecraft Launch Beach — hand launch, sand, parking for 36 cars, no fee, daylight hours, flush restrooms. Clearwater Beach, City of Clearwater. 1060 Gulf Boulevard, Clearwater Beach 33767 · phone (727) 582-2100 · website pinellascounty.org/park/15_sand_key.htm

Fishing piers

  • Clearwater Harbor Marina — no fee, open around the clock, lit for night fishing, fish-cleaning table, boat dock, monofilament recycling bin, wheelchair access. Clearwater, City of Clearwater. 210 Drew St., Clearwater 33755
  • Dunedin Marina/Pier — no fee, fish-cleaning table, restrooms, drinking water, boat dock, wheelchair access. Dunedin, City of Dunedin. 51 Main St., Dunedin 34698 · hours: Closes at 11PM
  • Magnolia Drive Fishing Pier — no fee, daylight hours. Clearwater, City of Clearwater. 201 Magnolia Dr., Clearwater 33756
  • Pier 60 — paid, fish-cleaning table, bait and tackle on site, restrooms, drinking water, monofilament recycling bin, wheelchair access. Clearwater Beach, City of Clearwater. 1 Causeway Blvd., Clearwater Beach 33767
  • Sand Key Park — no fee, open 7am–sunset, lit for night fishing, restrooms, monofilament recycling bin, wheelchair access. Clearwater, City of Clearwater. 1060 Gulf Blvd, Clearwater 33767
  • Tuner Street Fishing Pier — no fee, open around the clock. Clearwater, City of Clearwater. Turner St. W, Clearwater 33756

5 of the 14 places listed have both a fee and opening hours on file: a blank means we hold no such field, not that it is free or always open, and this list may not be complete.

What is hard here

Only 8 public ramps are on file, so the launch decides where you fish. Summer water sits at 89°F: heat and afternoon lightning are the real risks, not the fishing.

Where this data comes from

  • USACE eHydro — USACE eHydro channel surveys: class A, a survey of the bottom.
  • NOAA Digital Coast — NOAA Digital Coast bathymetric lidar: class A, a survey of the bottom.
  • NOAA BlueTopo: class A, a survey of the bottom.
  • NOAA National Bathymetric Source (S-102 ed3.0.0) — NOAA S-102 bathymetric surfaces: contours: class A, a survey of the bottom.
  • NOAA ENC — NOAA Electronic Navigational Charts: soundings: class A, a survey of the bottom.
  • NOAA ENC — NOAA Electronic Navigational Charts: depth contours: class A, a survey of the bottom.