National Weather Service United States Department of Commerce

FXZS60 NSTU 220050 CCA

Area Forecast Discussion...CORRECTED
National Weather Service Pago Pago AS
150 PM SST Mon May 21 2018

.Short term...
.TONIGHT THROUGH WEDNESDAY NIGHT...Ridge to the south will
continue to reduce showers across the islands and gentle east
winds in the next few days. RAOB from this afternoon depicts a
stable profile. Therefore expect isolated showers and gentle east
winds during the short term.

.Long term...
.THURSDAY THROUGH MONDAY...The ridge to the south will descend
southeast on Saturday night. An active trough moving to the
southwest will pull moisture and showers across the islands on
Sunday. With the aforementioned trough moving to the south, winds
will shift to the northeast on Sunday before becoming light and
variable on Monday. Expect scattered showers on the latter part
the long term forecast.


Seas of 5 to 7 ft will persist tonight before a strong southwest
swells arrives across the islands on Saturday. These swells will
elevate seas 7 to 9 ft on the weekend.