From NHC, which has had connectivity problems related to the storm overnight:
DISCUSSION AND 48-HOUR OUTLOOK
At 200 AM EDT (0600 UTC), the eye of Hurricane Matthew was located
by NOAA Doppler weather radars and an Air Force Reserve Hurricane
Hunter aircraft near latitude 27.6 North, longitude 79.7 West.
Matthew is moving toward the northwest near 14 mph (22 km/h). A turn
toward the north-northwest is expected later today, and a turn
toward the north is expected tonight or Saturday. On the forecast
track, the center of Matthew will be moving near or over the east
coast of the Florida peninsula through tonight, and near or over the
coasts of Georgia and South Carolina on Saturday.
Maximum sustained winds have decreased to near 120 mph (195 km/h)
with higher gusts. Matthew is a category 3 hurricane on the
Saffir-Simpson Hurricane Wind Scale. Although some additional
weakening is forecast during the next 48 hours, Matthew is expected
to be a powerful category 3 hurricane as it moves near the coast of
Hurricane-force winds extend outward up to 60 miles (95 km) from
the center and tropical-storm-force winds extend outward up to 185
miles (295 km). During the past hour, a wind gust to 70 mph (113
km/h) was reported at Vero Beach, Florida, and a gust to 60 mph
occurred at Melbourne, Florida.
The latest minimum central pressure reported by the reconnaissance
aircraft was 938 mb (27.70 inches).
Latest satellite and radar imagery, plus spaghetti forecast plots.