A weakening front will move through the area from the south monday afternoon and night. Low level flow will become offshore as the next system moves inland south of the area in the middle of the week. A weak upper trough will linger over the area into friday with high pressure moving over the area next weekend.
A front move into western washington from the southwest on monday. Spotty light rain should develop at the coast and south interior in the afternoon and then the more northern areas in the evening. The gfs is faster spreading rain into the area but the slower solutions in other models are preferred given the negative tilt and splitting and weakening nature of the front.
The front will shift north and east of the area by midnight with mainly isolated showers in its wake. An upper low will be offshore on tuesday with a broad weak upper trough over western washington. This will be enough to maintain a slight chance of showers for the area. The low will move inland to the south on wednesday. Some associated showers will creep up from the south but the bulk of the precipitation should stay south of the area. schneider
A broad and weak upper trough remain stretched east/west across the area thursday and friday for a slight chance of showers. An upper ridge will move over the area saturday for a dry day. A weak front might arrive on sunday. Schneider
Weak low level offshore flow will continue through monday morning. The next front will bring small craft advisory east-southeast winds coastal waters/west entrance/central strait monday. Southerly gradient picks up quickly late monday afternoon and winds will slack off in the central/western strait by evening. Southerly small craft winds will likely persist over the coastal waters and develop over the inland waters late monday afternoon/evening through early tuesday before easing. A small craft was issued for the interior waters with wind coming up quickly by late monday/monday evening. Those out on the water should be prepared for rapidly changing wind. Dtm
Wa...none. Pz...small craft advisory from 6 am monday to 11 am pdt tuesday 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.
small craft advisory from 2 pm monday to 11 am pdt tuesday for admiralty inlet-east entrance u.s. Waters strait of juan de fuca-northern inland waters including the san juan islands- puget sound and hood canal.
small craft advisory from 6 am to 5 pm pdt monday for central u.s. Waters strait of juan de fuca-west entrance u.s. waters strait of juan de fuca.
/issued 248 pm pdt sun mar 24 2019/
Showers are ending between systems tonight. Patchy low clouds or fog may form in the south sound overnight but coverage should remain patchy. Rain will spread north monday afternoon and evening as the next frontal system arrives. Cigs mainly vfr except where patchy low clouds/fog form, mainly around olm/pwt/hqm. Dtm
Ksea...vfr conditions expected. Ne/e 5 to 10 knots becoming n early monday morning. Increasing clouds and rain monday afternoon, with s wind rising to 10 to 14 knots w/ gusts to 22 knots by 00z monday afternoon, possibly as early as 21-22z. Rain at times monday night and breezy, with cigs mostly low vfr or possibly mvfr at times tuesday morning.
The forecast appears on track with showers ending and just some patchy clouds and possibly some fog in the southwest interior/interior south sound. The next system will arrive monday afternoon with rain and breezy winds increasing over the area. A period of gusty winds could develop rapidly over interior western wa late in the day and evening, with gusts up to 25 to 30 mph producing isolated power outages. Overall impacts should be minor. Those recreating outdoors should be prepared for abrupt changes in wind and increasing rain. Rain will taper off late monday night and partly sunny skies are possible by tuesday afternoon.