Live · 8,559 U.S. harbors
The weather app, but for boating.
One honest Boat, Caution, or Nope call for your harbor, your best window, and a seven-day outlook.
Checking the water…
Lake Erie
Today's calls within 40 miles
9063063 - Cleveland, OH0 mi · Ohio
Checking the water…Euclid Beach Buoy4.1 mi · Ohio
Checking the water…Euclid, OH5.4 mi · Ohio
Checking the water…Edgewater Beach Buoy6.4 mi · Ohio
Checking the water…Cleveland Intake Crib Buoy, OH6.6 mi · Ohio
Checking the water…Cleveland Buoy, OH15 mi · Ohio
Checking the water…Explore
Pick your water
Buzzards BayMassachusetts · 6 harborsCape Cod BayMassachusetts · 5 harborsMassachusetts Bay and Cape AnnMassachusetts · 5 harborsBoston HarborMassachusetts · 2 harborsBlock Island SoundRhode Island · Connecticut · 5 harborsLong Island SoundConnecticut · New York · 10 harborsNantucket SoundMassachusetts · 7 harborsVineyard SoundMassachusetts · 6 harborsNarragansett BayRhode Island · 4 harborsCasco BayMaine · 3 harborsMaine CoastMaine · 7 harbors
Make the flag yours
Tell us what kind of boat you have.
Say it however you'd say it at the dock. We'll work out the wind and seas it's happy in, then judge every flag against your numbers.
Saved to this browser only. Sign in to keep it on your phone too.
Now on iPhone
Ready to leave the dock.
Save your waters, set your limits, get a nudge when a window opens.
