textproduct: WSO Pago Pago

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

Long term [Tuesday through Saturday]

Slightly increased rainfall chances may persist through Tuesday as the trough lingers in the area. The initial high pressure system will move out of the area to the east while another area of high pressure develops off the east coast of Australia by midweek. This second high pressure system will continue to maintain east- southeast trade winds of through the long term forecast period. While these trade winds may be breezy at times (up to 20 mph), GFS and ECMWF model data also project periods of weaker wind speeds (as low as 10 mph).

Marine

Wave heights have been in a subsiding trend with a weakening of the trade winds. However, a long period south swell maintains seas and surf at borderline Small Craft Advisory (wave heights peaking near 8 feet) and High Surf Advisory (surf heights near 10 feet) levels. Therefore, High Surf and Small Craft Advisories remain in effect. The influence of the south swell will weaken going into early portions of the new week, but a slight increase in wind speeds should maintain wave heights at a similar level. By midweek, wave heights are projected to drop below Small Craft Advisory criteria due to the aforementioned periods of weaker wind speeds (as low as 10 knots at times).

PPG WATCHES/WARNINGS/ADVISORIES

High Surf Advisory Small Craft Advisory

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