Expires:No;;004745 FZUS56 KSEW 152135 CWFSEW .AVIATION...Southerly flow aloft over Western Washington today, with an upper level low offshore, will become light and variable tonight as the low moves over the area. The air mass is moist and stable but will become slightly unstable tonight. At the surface light northerly flow is forecast today, becoming moderately onshore tonight. Some fog and low stratus developed overnight, giving local IFR ceilings and visibilities, but the trend today will be toward widespread MVFR ceilings later this morning, and even some VFR in the afternoon. Showers and MVFR ceilings will return after 00Z. KSEA...Discussion above applies. MVFR ceilings around 1k ft will improve to 2-3k ft later this morning, with VFR possible in the afternoon. Another batch of rain or showers will arrive around 00Z from the south, and MVFR ceilings will return after that. Northerly gradient through Puget Sound this morning will give north winds rising to 8-12 kt after 18Z. Gradient abruptly flips back to southerly after 06Z tonight for southerly wind 6-12 kt. CHB && .MARINE...Swells are still in the 10-12 foot range and a small craft advisory for hazardous seas remains in effect for the coast. Seas will subside tonight. The flow will e light northerly today as a weak cold front moves east into Oregon. Onshore flow will resume tonight as this system moves farther inland. Onshore flow will increase on Monday. A stronger onshore push Monday night could bring westerly gales to the Strait of Juan de Fuca. High pressure will develop over the area Wednesday, giving lighter winds. CHB && .HYDROLOGY...All rivers are receding. The Skokomish River is the only river that flooded, and it will remain above flood stage through this evening. Additional flooding is not expected for the next 7 days. Burke && .SEW WATCHES/WARNINGS/ADVISORIES... WA...Refer to the latest flood bulletin in effect for a part of Western WA. PZ...Small Craft Advisory from 6 PM this evening to 5 AM PDT Monday for Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-Coastal Waters From James Island To Point Grenville 10 To 60 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 for hazardous seas until 6 PM PDT this evening 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 for rough bar until 8 PM PDT this evening for Grays Harbor Bar. Small Craft Advisory from 6 PM to 11 PM PDT this evening for Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From James Island To Point Grenville Out 10 Nm. && $$ www.weather.gov/seattle