377 WTNT33 KNHC 210253 TCPAT3 BULLETIN Tropical Storm Gaston Advisory Number 3 NWS National Hurricane Center Miami FL AL082022 300 AM GMT Wed Sep 21 2022 ...GASTON STRENGTHENS SLIGHTLY OVER THE CENTRAL NORTH ATLANTIC... SUMMARY OF 300 AM GMT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...36.2N 43.6W ABOUT 920 MI...1485 KM W OF THE AZORES MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NNE OR 20 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in the Azores should monitor the progress of the system. DISCUSSION AND OUTLOOK ---------------------- At 300 AM GMT (0300 UTC), the center of Tropical Storm Gaston was located near latitude 36.2 North, longitude 43.6 West. Gaston is moving toward the north-northeast near 18 mph (30 km/h). A turn to the northeast is expected today, followed by a motion toward the east starting Thursday. Maximum sustained winds have increased to near 50 mph (85 km/h) with higher gusts. Slight additional strengthening is forecast today, followed by little change in strength over the next couple days. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Gaston are expected to affect the Azores later this week. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 900 AM GMT. $$ Forecaster D. Zelinsky/Jelsema