American Samoa's Tropical Cyclone Outlook 2025-26

Below Normal to Near Normal Tropical Cyclone (TC) Activity anticipated for American Samoa in the 2025-26 TC Season Read More >

105
FXZS60 NSTU 180051
AFDPPG

Area Forecast Discussion
National Weather Service Pago Pago AS
151 PM SST Fri Apr 17 2026

.Short term...
TONIGHT THROUGH SUNDAY NIGHT...The ridge axis near the islands
will continue to hold light flow tonight and Saturday. As the
ridge shift south, winds will slightly increase to gentle east
flow on Saturday night. With the ridge near the islands, stable
conditions will persist through Sunday night. RAOB from the
afternoon suggest dry and stable airmass over the islands. Expect
scattered showers for the weekend and gentle east winds moving
over the area on Saturday night.

.Long term...
MONDAY THROUGH FRIDAY...Scattered showers from the easterlies flow
will remain throughout the new week. With the ridge to the south,
gentle east winds and scattered showers will remain through the
rest of the new week.

&&

.Marine...
Seas of 4 to 6 feet will persist tonight and Saturday. Gentle east
winds will move across the islands on Saturday night. This will
slightly elevate seas 5 to 7 feet and remain through Tuesday.
Southwest swells will elevate seas 7 to 9 feet on Tuesday night
through Wednesday night. As swells pass and subside, seas will
again drop 5 to 7 feet on Thursday morning. No other significant
swells or wind generated seas are expected to impact the islands
through the rest of the new week.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$