Marine Weather and Tide Forecast for East Hill-Meridian, WA

SYNOPSIS
A weak upper trough will move into Western Washington today then remain over the area on Friday. This will lead to cooler temperatures, increased cloud cover, and occasional chances for mountain showers and coastal drizzle. Upper ridging will weakly rebuild late in the weekend for a modest warming trend before another trough approaches the area early in the coming week.

SHORT TERM /TONIGHT THROUGH SUNDAY/
A weak upper trough is over the region today with a few showers along the coast and over the border in B.C. Onshore flow is keeping temperatures cooler and in the 50s and 60s. Lows will be cooler overnight and in the 40s.

A deep upper low will spin off SE AK Friday through the weekend.
Western WA is mostly dry with weak ridging and just isolated light showers in the Cascades. Temperatures are close to average with highs in the 60s and 70s. Lows will be slightly cooler and in the 40s. 33

LONG TERM /MONDAY THROUGH THURSDAY/
A deep upper level low continues to spin offshore on Monday with ongoing onshore flow across western WA. The low eventually shifts farther south while pushing a weak front into the region Monday night or Tuesday for a chance of showers. The low stalls off southern B.C. midweek then shifts inland toward the end of the week, with more showers expected. Temperatures look to track close to average throughout.
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AVIATION
An upper level trough will exit the area tonight although the parent upper low remains in place over the Canadian coast, allowing for westerly to southwesterly flow aloft to persist.
Surface winds easing overnight before becoming southerly and speeding up to generally 7-12 kts by Friday afternoon.

VFR conditions in place for most terminals with exception of the coast, where stratus continue to keep cigs within MVFR range.
Stratus will push inland again tonight with widespread MVFR conditions expected to be in place by 12Z Friday morning. Gradual clearing afterward for at least interior terminals, with widespread VFR conditions expected to return between 18-20Z.

KSEA...VFR conditions with scattered mid to high clouds this evening and early tonight. MVFR conditions expected to develop between 10-12Z and remain that way before scattering out by 20Z and returning to VFR. Light and variable winds this evening before returning to southerly with speeds 4-8 kts overnight. Southwesterly winds by early afternoon with speeds 5-10 kts.

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MARINE
Surface high pressure centered offshore through the end of the week will move closer to the coastal waters over the weekend.
A weakening front will reach the coastal waters Monday. The small craft advisory for the coastal waters continues with the steep conditions. Expect seas to continue to remain around 7 to 9 ft with the dominant period around 7 or 8 seconds into Friday due to the persistent northwesterly winds.

Elsewhere, expect diurnally driven pushes of west winds through the central and eastern Strait of Juan de Fuca each of the next few nights. Winds will generally be right around 20 kt each night with some gusts to 25 kt. Will maintain tonight's advisory for now and evaluate trends to determine the need for any additional advisories on subsequent days.

SEW WATCHES/WARNINGS/ADVISORIES
WA...None.
PZ...Small Craft Advisory until 6 AM PDT Friday for Central U.S.
Waters Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 6 PM PDT Friday for Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-Coastal Waters From Cape Flattery To James Island Out 10 Nm-Coastal Waters From James Island To Point Grenville 10 To 60 Nm- Coastal Waters From James Island To Point Grenville Out 10 Nm-Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm-Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm.