Area Forecast Discussion
Issued by NWS Pago Pago
Issued by NWS Pago Pago
116 FXZS60 NSTU 180043 AFDPPG Area Forecast Discussion National Weather Service Pago Pago AS 143 PM SST Thu Oct 17 2024 .Short term... TONIGHT THROUGH SATURDAY NIGHT...A low pressure over Fiji will hold the associated active trough over the islands tonight through Friday morning. As the low pressure moves southeast, the trough will also migrate south along with thunderstorms and heavy rain. Heavy rain and thunderstorms will remain over the islands tonight and Friday morning. Showers will decrease to scattered on Friday night and remain through Saturday night. Winds will become breezy and gusty north flow tonight and Friday morning. As the trough shifts southeast, winds will diminish to gentle northeast flow on Friday afternoon. This will persist through Saturday before becoming light winds on Saturday night. .Long term... SUNDAY THROUGH THURSDAY...A col will remain near the islands and hold light winds through Monday. A high pressure to the southwest will bring increasing trades across the islands on Monday night through Thursday. A low level convergence will increase showers across the islands on Tuesday and the rest of the week. && .Marine... With breezy and gusty winds associated with thunderstorms, seas will build 6 to 8 feet tonight. North swells are also expected to pass across the islands tonight and remain through Saturday. These rough conditions will persist through Saturday.As the swells subside, seas will also drop 5 to 7 feet. && .PPG WATCHES/WARNINGS/ADVISORIES... Small Craft Advisory is in effect Flash Flood Watch is in effect && $$