Region

Big Bend / FL Gulf Coast Sea Surface Temperature & Chlorophyll Charts

Satellite SST, chlorophyll and depth structure for Big Bend / FL Gulf Coast. Find the temperature break and color edge before you burn the fuel.

Big Bend / FL Gulf Coast bathymetry and named fishing spots base map

Live SST & chlorophyll for Big Bend / FL Gulf Coast

This preview shows depth and structure only. Unlock the live satellite water temperature and color layers, updated throughout the day.

Nearby buoys

WEST TAMPA
82°F
air 73°F · wind 19 kt
2026-10-19 14:40 UTC · NOAA NDBC 42036

Latest NOAA NDBC observations. Satellite and in water readings may differ.

Fishing Big Bend / FL Gulf Coast

The Big Bend is the quiet corner where the Florida peninsula curves into the Panhandle, and it fishes like no other part of the state. This is the widest, shallowest shelf on the Gulf coast, a vast gradual slope of seagrass flats, scattered limestone and hard bottom reaching far offshore before the water ever gets deep. You can run a long way and still be in relatively shallow water, so the fishing is built almost entirely around structure, grass and the quality of the water over them rather than any close in deep edge.

Because the shelf is so broad and shallow, water temperature and clarity matter a great deal. The shallow water heats and cools quickly with the seasons and the fronts, and that drives a lot of the movement. The chart helps you see where the warmer or cooler water is sitting across the flats and the nearshore shelf, and where the cleaner water lines up over the limestone and hard bottom that hold bait. Several spring fed rivers pour into this coast, so river outflow and the color changes it creates near the mouths are features worth watching, and the chlorophyll layer shows where the clean water edge sits.

Structure here is subtle. It is scattered rock, limestone ledges, the occasional wreck and the grass flats rather than dramatic drop offs. Lining the temperature and color layers up against the depth contours helps you find the spots where the right water sits over that hard bottom, which is where the fish concentrate on a broad featureless looking shelf.

Seasonally, the Big Bend is known for its inshore and nearshore fishing over the grass and rock. Anglers typically target seatrout and redfish over the flats, with gag grouper and other bottom fish over the nearshore and offshore rock on their seasons. The famous summer scallop season draws crowds to the grass flats. Kingfish and Spanish mackerel run the nearshore when the bait is thick, and cobia move through on their push. None of it is guaranteed. Seasons, runs and regulations change every year, so always check current rules.

The move here is to read where the right temperature and the cleanest water are sitting over the rock and the grass, and plan a run that puts you on productive structure with good water on it.

What you get with ReelTemps

From the water

★★★★★
I've tried every temp map out there and they all feel like they were built ten years ago. I'm not exactly a tech guy, but this one actually makes sense the second you open it. First time using it, I marked a break in about 30 seconds the night before and boated bluefin right on it the next morning.
CR
Captain RobCharter captain · San Francisco, CA
★★★★★
Used to burn half a tank driving around looking for color change or a solid temp break. Now I check ReelTemps before I leave the dock and I know exactly where I'm going. Less time driving around guessing, more time with lines in the water.
PE
PeteHalf Moon Bay, CA
★★★★★
Albacore season used to mean a couple hours of homework the night before and just hoping it held up. Now I do most of my research that morning and pull it up on my phone if things change once we're out there. Makes calling an audible a lot easier.
KE
KevinBodega Bay, CA

Big Bend / FL Gulf Coast FAQ

What makes the Big Bend shelf unusual?
It is the widest and shallowest shelf on the Florida Gulf coast, a long gradual slope of seagrass flats and scattered limestone reaching far offshore. You can run a long way and stay shallow, so fishing is built around structure, grass and water quality rather than a deep edge.
Why does water temperature matter so much here?
The shallow shelf heats and cools quickly with the seasons and fronts, which drives a lot of the fish movement. The chart shows where the warmer or cooler water is sitting across the flats and nearshore shelf so you can plan around it.
What do people typically target in the Big Bend?
Seatrout and redfish over the grass flats, gag grouper and other bottom fish over the rock on their seasons, plus kingfish and Spanish mackerel nearshore when the bait is in. Seasons and regulations change, so always check current rules.
Do the spring fed rivers affect the fishing water?
They can. River outflow near the mouths creates color changes and clean water edges worth watching, and the chlorophyll layer shows where those edges sit over the nearshore shelf.

Nearby regions

Not for navigation. ReelTemps is a fishing intelligence tool, not a nautical chart. Sea surface temperature data courtesy of NOAA CoastWatch and NASA PO.DAAC. Buoy observations from NOAA NDBC.