259 WTPZ32 KNHC 100239 TCPEP2 BULLETIN Tropical Storm John Advisory Number 18 NWS National Hurricane Center Miami FL EP122018 800 PM PDT Thu Aug 09 2018 ...JOHN CONTINUES TO SLOWLY WEAKEN OVER COOLER WATERS... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...25.5N 119.6W ABOUT 635 MI...1025 KM WNW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 800 PM PDT (0300 UTC), the center of Tropical Storm John was located near latitude 25.5 North, longitude 119.6 West. John is moving toward the northwest near 13 mph (20 km/h), and this motion is expected to continue over the next couple of days with a gradual decrease in forward speed. A turn to the north is expected late this weekend. Maximum sustained winds have decreased to near 60 mph (95 km/h) with higher gusts. Additional weakening is forecast, and John will likely become a remnant low this weekend. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. The estimated minimum central pressure is 997 mb (29.44 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by John are affecting portions of the coasts of southwestern Mexico and the Baja California peninsula. The swells are beginning to reach the coast of southern California and are expected to continue through Saturday. These swells could cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 200 AM PDT. $$ Forecaster Cangialosi/Latto