Elliptical Cone
New in 2026: uses ellipses (not circles) that capture uncertainty in both speed and direction. Covers 90% of forecast track possibilities (vs 67% in classic cone).
Track active hurricanes and tropical storms in real time. Official NHC trajectory, cone of uncertainty, alerts, and complete preparedness guide.
The official Atlantic hurricane season starts June 1 and ends November 30. Peak activity occurs between August and October. It's important to be prepared throughout the season.
Hurricane winds expected within 36 hours. Complete preparations and evacuate if ordered. Action is no longer optional.
Hurricane winds possible within 48 hours. Begin preparations: check kit, secure home, review evacuation plan.
Tropical storm winds expected within 36 hours. Secure outdoor objects and prepare for heavy rain and flash flooding.
Tropical storm winds possible within 48 hours. Monitor NHC updates and review your emergency kit.
Storm surge is the abnormal rise in sea level caused by hurricane winds pushing water toward the coast. It is responsible for roughly half of all hurricane-related deaths in the U.S. and can penetrate several miles inland.
Move the slider to see the effect of different surge heights.
Check our tools to follow tropical storm and hurricane trajectories.
Information from National Hurricane Center and Ready.gov. Tracker data updated every 15 minutes from official NHC.