Subtropical Storm Josephine is racing northeast away from the U.S. East Coast, with Tropical Storm Warnings and a Hurricane Force Wind Warning in effect for offshore waters from the Mid-Atlantic to the Hague Line.
The warnings come from the NWS Ocean Prediction Center in Washington, D.C., in its Thursday morning offshore waters forecasts.
Josephine is the storm that has been affecting New England and the Mid-Atlantic coasts.
Source: National Hurricane Center on X
Where Josephine Is Now
At 5 a.m. AST Thursday, Josephine was about 195 miles south-southeast of Nantucket, Massachusetts.
Maximum sustained winds were 65 mph, with a minimum pressure of 988 mb.
It is moving northeast at 13 mph and is expected to speed up through tonight.
NHC expects Josephine to become a powerful extratropical cyclone with hurricane-force winds by early Friday.
It should stay south of Nova Scotia and Newfoundland over the next couple of days.
No coastal watches or warnings are in effect.
Hurricane Force Wind Warning
East of 69W to the Hague Line, between 1000 fathoms and 39N.
Today: south to southeast winds of 40 to 50 knots turn north at 50 to 60 knots, then 50 to 65 knots.
That is about 58 to 75 mph. A knot is roughly 1.15 mph.
Seas build from 12 to 21 feet to 18 to 33 feet, with numerous showers and scattered thunderstorms.
Tonight: north winds of 50 to 65 knots diminish to 30 to 40 knots, with seas of 19 to 34 feet.
Friday: winds drop to 25 to 30 knots, with seas of 12 to 20 feet.
Tropical Storm Warnings: Mid-Atlantic to Georges Bank
Baltimore Canyon to 69W, south of 38.5N: north to northwest winds of 45 to 60 knots, easing to 30 to 40 knots, with seas of 18 to 33 feet.
Between 1000 fathoms and 38.5N, west of 69W: north winds of 45 to 60 knots, easing to 35 to 45 knots, with seas of 19 to 34 feet.
East of 69W and south of 39N: south winds of 45 to 55 knots turn west to northwest at 45 to 60 knots, with seas of 17 to 32 feet.
South of New England, Great South Channel to Montauk Point: north winds of 45 to 60 knots, easing to 35 to 45 knots, with seas of 15 to 28 feet.
Georges Bank, Cape Cod to 68W: north to northeast winds of 35 to 45 knots turn north at 45 to 60 knots, with seas of 13 to 28 feet.
Georges Bank, 68W to the Hague Line: north to northeast winds of 45 to 60 knots, with seas building to 16 to 31 feet.
Gulf of Maine to the Hague Line: north to northeast winds of 30 to 40 knots, with seas of 9 to 15 feet, building to 10 to 17 feet tonight.
Closer to Shore: Long Island to the Carolinas
South of Long Island, Montauk Point to Sandy Hook: north winds of 35 to 45 knots, with seas of 14 to 23 feet.
Hudson Canyon to Baltimore Canyon: north winds of 30 to 40 knots, easing to 20 to 25 knots, with seas of 12 to 21 feet.
Baltimore Canyon to Hatteras Canyon, 100 to 250 nautical miles offshore: northwest winds of 35 to 45 knots, easing to 20 to 30 knots, with seas of 16 to 26 feet.
Conditions ease in these zones tonight, with winds of 15 to 20 knots on Friday.
Source: National Hurricane Center on X
When Seas Calm Down
Winds fall to 20 to 30 knots Friday across most zones, and seas drop to 9 to 15 feet.
Saturday: winds of 5 to 25 knots, with seas of 4 to 14 feet.
Sunday and Monday: winds are mostly under 15 knots in the northern zones, with seas of 3 to 9 feet.
The Baltimore Canyon to Hatteras Canyon zone stays rougher, with northeast winds of 20 to 30 knots and seas of 8 to 14 feet into Monday.
Impacts on Land
Gale-force gusts are possible along parts of the northeastern U.S. coast through today.
Minor to locally moderate coastal flooding continues on the Mid-Atlantic coast around high tide through the week.
Large swells are likely to cause life-threatening surf and rip currents along the eastern seaboard.
Mariners should stay in port until seas subside, and beachgoers should stay out of the water.
Official advisories: National Hurricane Center and NWS Ocean Prediction Center.
