Dangerous heat and humidity from the central U.S. to East Coast this weekend
Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend.
Marine Zone Forecast
.GULF STREAM HAZARDS...NONE.
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM BASED ON THE REAL TIME OCEAN FORECAST SYSTEM FROM THURSDAY JULY 21ST.
45 NAUTICAL MILES EAST OF PONCE INLET. 29 NAUTICAL MILES EAST OF PORT CANAVERAL. 25 NAUTICAL MILES EAST OF SEBASTIAN INLET. 16 NAUTICAL MILES EAST OF FORT PIERCE INLET. 9 NAUTICAL MILES EAST OF SAINT LUCIE INLET.