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Area Forecast Discussion
Issued by NWS Pago Pago
Issued by NWS Pago Pago
049 FXZS60 NSTU 070134 AFDPPG Area Forecast Discussion National Weather Service Pago Pago AS 234 PM SST Sat Jul 6 2024 .Short term... Showers and thunderstorms within the trough (mentioned in recent forecasts) seems to be focused more south and north of the territory. For this reason, sunny weather and a gentle breeze were observed throughout the day. However, latest model data shows an uptick in showers early Sunday morning as showers to the south of the trough moves towards the Island chain. A high pressure system building to the southwest will hold American Samoa at its edge. This are is typically where moisture from the trough and breezy winds meet. Expect rainy and breezy weather for the new week. .Long term... By Monday, GDI trends depicts moisture and convection gradually building over the territory. Expect numerous showers through midweek, before peaking to widespread Thursday through Friday as the trough becomes more developed. Winds may reach near-advisory levels throughout the week, especially as thunderstorms embedded within the trough could briefly elevate winds at times. .Marine... Latest observations from the Aunu`u PacIOOS buoy shows seas have diminished to 6 to 8 feet. However, peak periods near 15 seconds indicates swells impacting the area. A high surf advisory was issued again this morning as high surfs were seen along the south shore. However, surfs may be higher and reach warning levels by Tuesday as strong winds and another set of south west swells moves towards the Islands. .PPG WATCHES/WARNINGS/ADVISORIES... High Surf Advisory Small Craft Advisory && $$ TM