MARINE CONDITIONS · FLORIDA KEYS COASTAL WATERS
Check Florida Keys Marine Conditions
The NWS Key West marine portal brings together Keys coastal forecasts, hourly graphs, wave guidance and hazard information.
Thunderstorms and tropical conditions can change rapidly. The guide does not replace Coast Guard orders, marina instructions or an onboard weather watch.
ONE-MINUTE CHECK
Use the sources in the right order
- Read the correct Keys coastal-water zone.
- Check Special Marine Warnings and tropical products.
- Compare wave guidance with nearby observations.
- Review tides, currents and local harbor instructions.
WHY THIS GUIDE HELPS
Match the source to the question
The NWS Key West marine portal brings together Keys coastal forecasts, hourly graphs, wave guidance and hazard information.
Thunderstorms and tropical conditions can change rapidly. The guide does not replace Coast Guard orders, marina instructions or an onboard weather watch.
COMMON QUESTIONS
Before opening the source
Does this page show live conditions?
No. One Minute Updates explains which official source to open and how to interpret it.
Why should I check more than one source?
Thunderstorms and tropical conditions can change rapidly. The guide does not replace Coast Guard orders, marina instructions or an onboard weather watch.
How current is the information?
Check the timestamp displayed by each official source. Conditions can change after any observation or report.