National Weather Service United States Department of Commerce

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >


815
FXZS60 NSTU 160105
AFDPPG

Area Forecast Discussion
National Weather Service Pago Pago AS
205 PM SST Sat Aug 15 2026

.Short term...
TONIGHT THROUGH MONDAY NIGHT...High pressure will maintain gentle
east winds tonight. As trough moving south of the islands on
Sunday, will diminish winds to light and variable on Sunday
morning. With the trough slowly moving southeast, winds will
remain light flow through Monday night. The ridge will continue to
hold stable weather tonight through Monday night.

.Long term...
TUESDAY THROUGH SATURDAY...As the trough moves farther southeast,
another high pressure approaching from the southwest will bring
gentle trades on Tuesday night. The strong high pressure gradually
increase trades to breezy on Wednesday morning before reaching
strong flow on Wednesday afternoon. As the high pressure moves
east southeast slowly, strong trades will persist through the
weekend. Models are now bringing a slight increase of rain across
the islands on Wednesday as passing showers. As the high pressure
continues to migrate east, the line of showers will be pushed up
north on Thursday.

&&

.Marine...
Seas of 5 to 7 feet will persist tonight and the rest of the
weekend. As the tradewinds move across the islands and increase to
strong flow on Wednesday, seas will build 7 to 9 feet on Tuesday
night and 9 to 12 feet on Wednesday morning. With strong trades
remaining across the islands through the weekend, seas will also
persist.


&&

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

&&

$$