...EXPECTED TO BECOME A HURRICANE IN A COUPLE OF DAYS...
Tropical Storm Erin Advisory Number 9
NWS National Hurricane Center Miami FL AL052025
1100 AM AST Wed Aug 13 2025
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
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LOCATION...16.3N 43.4W
ABOUT 1305 MI...2100 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...W OR 265 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
WATCHES AND WARNINGS
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There are no coastal watches or warnings in effect.
Interests in the northern Leeward Islands, Virgin Islands, and
Puerto Rico should monitor the progress of Erin.
DISCUSSION AND OUTLOOK
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At 1100 AM AST (1500 UTC), the center of Tropical Storm Erin was located near latitude 16.3 North, longitude 43.4 West. Erin is moving toward the west near 17 mph (28 km/h). This general motion is expected to continue into Thursday, with a west-northwestward motion beginning Thursday night and continuing into the weekend. On the forecast track, the center of Erin is likely to move near or just north of the northern Leeward Islands over the weekend.
Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Gradual strengthening is forecast to begin later today or tonight, and Erin is expected to become a hurricane by Friday.
Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center.
The estimated minimum central pressure is 1004 mb (29.65 inches).
HAZARDS AFFECTING LAND
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SURF: Swells generated by Erin will begin affecting portions of the northern Leeward Islands, the
Virgin Islands and Puerto Rico by this weekend. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather forecast office.
Forecaster Beven
