Sunrise 5:32 AM   Sunset 8:44 PM Moonrise 1:50 PM   Moonset 2:16 AM

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PZZ210 Columbia River Bar- 200 Am Pdt Fri May 17 2024
.small craft advisory in effect until 8 am pdt this morning - .
In the main channel -
General seas - 5 to 6 ft through Saturday morning.
First ebb - Ebb current of 3.1 kt at 107 am Friday. Seas 6 to 7 ft.
SEcond ebb - Ebb current of 3.09 kt at 112 pm Friday. Seas 6 to 7 ft.
Third ebb - Ebb current of 3.68 kt at 157 am Saturday. Seas 5 to 6 ft.

PZZ200 200 Am Pdt Fri May 17 2024
Synopsis for the southern washington and northern oregon coast - High pressure has returned over the coastal waters and will continue through the weekend before the next front arrives Monday night into Tuesday.

FXUS66 KSEW 170952 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 252 AM PDT Fri May 17 2024

SYNOPSIS
Upper level troughing will continue to remain over western Washington through the weekend, keeping showery and cooler conditions around. A weak ridge looks to briefly build in the area for the start of next week, before troughing returns for more cool and showery conditions.

SHORT TERM /TODAY THROUGH SUNDAY/
Recent radar imagery depicts a weakening convergence zone mainly focused over King/Snohomish county with some enhanced shower activity. This convergence zone will continue to weaken into the morning hours as upper level troughing remains over western Washington. Some lingering showers will be possible today but any hope for showers will likely be focused in the Cascades, with mostly dry conditions in the lowlands. Snow levels remain generally around 3000-3500 feet, with some light snow showers in the higher peak of the Cascades. Clouds may break up for some this afternoon, with high temps this afternoon remaining slightly below average in the low 60s.

Another upper level low with a weak shortwave will then drift southward into Saturday with another round of showers throughout majority of the area, with high temps a bit cooler in the upper 50s.

A brief but weak transient ridge will nudge into our area into Sunday evening for generally dry conditions in the interior and high temps in the lower 60s.

LONG TERM /MONDAY THROUGH THURSDAY/
Brief dry conditions will continue into Monday before another upper level low from British Columbia moves south into western Washington on Tuesday - with the return of unsettled weather. Showery and cool weather will continue yet again into the long term period with temperatures just slightly below normal.

Mazurkiewicz

AVIATION
We're in post-frontal onshore flow this morning with showers from a convergence zone over King County (where MVFR cigs are also present). Showers with the convergence zone will push into the Cascades and diminish by 12z this morning. Elsewhere, VFR conditions are expected. The low level air mass will remain moist overnight as onshore flow continues with ceilings near low- end VFR to MVFR conditions. 33

KSEA...Showers with the convergence zone remaining north of the terminal this morning. Winds S/SW to 10-14 kt. Cigs becoming VFR by 12-15Z. 33

MARINE
High pressure over the NE Pacific will maintain onshore flow across western WA through the weekend. Strongest winds will be over the Strait of Juan de Fuca with Small Craft Advisory winds extending through late tonight. The next frontal system will reach the region early next week. 33

HYDROLOGY
The daily hydrology discussion has ended until the start of the next rainy season; it will only be updated as needed.

SEW WATCHES/WARNINGS/ADVISORIES
WA...None.
PZ...Small Craft Advisory until 11 AM PDT this morning for Admiralty Inlet-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-Northern Inland Waters Including The San Juan Islands-West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 5 AM PDT Saturday for Central U.S.
Waters Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 5 AM PDT early this morning for Puget Sound and Hood Canal.

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