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

Visible satellite imagery currently shows a more dominant trough to the southwest of the islands, mainly near the Fiji region and extending eastward to Tonga, and a strong ridge to the south. This ridge is anticipated to strengthen and move the trough closer to the region. At this time, the ridge is not forecast to push the consistent and heavy rainfall from the trough far enough north to reach American Samoa. However, this is to create more clouds than sun and still increase the likelihood for showers to numerous/widespread from Sunday through the middle of next week. Otherwise, winds remain a light breeze with the exception of potentially gusty winds near showers. Temperatures are to be average to below average. We will continue to monitor the exact location of this trough and possibly issue a Flood Watch during this time, if warranted.

Marine

The PacIOOS buoys to the west of Tutuila and to the east of Aunu'u shows seas below the Small Craft Advisory criteria. Seas remain around 5 to 6 feet with a gentle easterly breeze. With the breeze remaining gentle and no significant swell anticipated through Saturday night, seas are to remain ideal. However, a southerly swell is forecast to move through the American Samoa coastal waters on Sunday through the first half of the upcoming week. This is to cause seas to build to the Small Craft Advisory conditions.

PPG WATCHES/WARNINGS/ADVISORIES

NONE

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