Region

Cape Cod / Georges Bank Sea Surface Temperature & Chlorophyll Charts

Satellite SST, chlorophyll and depth structure for Cape Cod / Georges Bank. Find the temperature break and color edge before you burn the fuel.

Cape Cod / Georges Bank bathymetry and named fishing spots base map

Live SST & chlorophyll for Cape Cod / Georges Bank

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

Named spots

SpotTypeDepthFrom nearest port
Bear Seamountbank607 fm–
Fundian Valleycanyon––
Georges Bankbank34 fm–
McMaster Canyoncanyon––
Oceanographer Canyoncanyon1293 fm–
Physalia Seamountbank1066 fm–
Picket Seamountbank1262 fm–
Retriever Seamountbank1151 fm–
Ryan Canyoncanyon––

Nearby buoys

GEORGES BANK 170 NM East of Hyannis, MA
62°F
air 59°F · wind 19 kt · seas 8 ft
2026-10-19 12:50 UTC · NOAA NDBC 44011
BOSTON 16 NM East of Boston, MA
57°F
air 53°F · wind 6 kt · seas 1 ft
2026-10-19 12:50 UTC · NOAA NDBC 44013
NANTUCKET SOUND
59°F
air 54°F · wind 14 kt · seas 2 ft
2026-10-19 12:50 UTC · NOAA NDBC 44020
Buoy A01
56°F

2026-10-19 12:30 UTC · NOAA NDBC 44029
Buzzards Bay, MA (260)
60°F
air 54°F · seas 2 ft
2026-10-19 12:30 UTC · NOAA NDBC 44085
Cape Cod Bay, MA (221)
58°F
air 54°F · seas 1 ft
2026-10-19 12:00 UTC · NOAA NDBC 44090

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

Fishing Cape Cod / Georges Bank

Cape Cod and Georges Bank is where the cold gulf water, the open shelf and the warmer offshore water all meet, and the chart is built to help you sort it out. Georges Bank is a huge, shallow bank sitting at the edge of the continental shelf, and the tide and current racing over and around it create some of the richest water on the East Coast. Add the waters off Cape Cod and the shoals, and you have a fishery driven by temperature breaks, strong tide edges and the color changes where cooler, greener bank water meets the cleaner, warmer water offshore.

Structure here is on a grand scale. The edges of Georges Bank, the Northeast Peak, the shoals off the Cape and the deep channels that flank the bank all disrupt current and stack bait. The tide moving over the shallow bank mixes the water column and sets up edges that can hold for a run of the tide. A temperature or color break sitting over the edge of the bank or a channel is far more productive than the same seam over flat bottom, which is why the depth contours and the SST and chlorophyll layers belong together on the screen.

Seasonally, bluefin tuna are the headline when they move onto the bank and the surrounding water in the warmer months, and yellowfin and other tuna work the offshore edges in season. Cod, haddock and other groundfish fish the bank through their seasons, and striped bass and bluefish run the nearshore water in summer. Nothing is guaranteed here. The tuna follow the bait and the temperature, and seasons and regulations change every year, so always check current rules.

These are long runs in open, often rough water, so the forecast matters as much as the break. Before you commit, read where the edge is sitting, line it up against the bank edge, the shoals and the channels, and run to the seam that has structure and tide working with 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

Cape Cod / Georges Bank FAQ

What makes Georges Bank so productive?
It is a huge, shallow bank at the shelf edge, and the tide and current racing over and around it mix the water and concentrate bait. Temperature and color edges set up along the bank edges and channels, which the chart shows against the depth contours.
How does the tide figure into reading the chart?
The tide moving over the shallow bank sets up and shifts edges that can hold for a run of the tide. Reading where the temperature or color break is sitting relative to the bank edge and the current helps you time the run rather than guess.
What do people target out here?
Bluefin tuna on and around the bank in the warmer months, with yellowfin and other tuna on the offshore edges, plus groundfish on the bank and stripers and blues nearshore in summer. Seasons and regulations change, so check current rules.
Is the Cape Cod and Georges Bank chart buoy calibrated?
Yes. There are active NOAA buoys in the region, so the satellite SST can be compared to real in water readings. Satellite and in water temperatures can still differ.

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.