Sunrise 5:25 AM   Sunset 8:45 PM Moonrise 3:59 PM   Moonset 2:43 AM

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PZZ135 Puget Sound And Hood Canal- 215 Am Pdt Sun May 19 2024
Today - Light wind. Wind waves less than 1 ft. Tonight - Light wind. Wind waves less than 1 ft. Mon - Light wind. Wind waves less than 1 ft. Mon night - NW wind to 10 kt becoming S after midnight. Wind waves 1 ft or less. Tue - S wind to 10 kt becoming 5 to 15 kt in the afternoon. Wind waves 2 ft or less. Tue night - SW wind 5 to 15 kt. Wind waves 2 ft or less. Wed - S wind to 10 kt becoming light. Wind waves 1 ft or less. Thu - S wind to 10 kt becoming sw. Wind waves 1 ft or less.

PZZ100 215 Am Pdt Sun May 19 2024
Synopsis for the northern and central washington coastal and inland waters - Broad surface ridging will remain centered well offshore with low pressure inland and will result in onshore flow for much of this weekend into early next week. A frontal system looks to traverse the area waters on Tuesday.

FXUS66 KSEW 190939 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 239 AM PDT Sun May 19 2024

SYNOPSIS
An upper level trough will move east of the region this afternoon and a weak upper level ridge will give drier and somewhat warmer conditions on Monday. Another trough will arrive on Tuesday for a return to cool and unsettled conditions that will persist for much of the coming week.



SHORT TERM /TODAY THROUGH TUESDAY/
Showers continue in the convergence zone early this morning, but these are expected to wind down later this morning as an upper trough axis shifts further eastward and low level onshore flow relaxes somewhat.
Northerly flow aloft on the backside of the trough will lead to drier conditions by afternoon along with gradually clearing skies toward this evening. With a little additional sunshine, high temperatures will edge upward a few degrees...though remaining below seasonal norms.

Weak upper ridging briefly noses into the region tonight into Monday for a short-lived drying trend. High temperatures will approach near normal levels for what could be the only day this week. By Monday night, the next in a series of a troughs will dig southward out of British Columbia and rain will spread across the area Tuesday morning. This system continues to look on the wet side for late May with much of the lowlands likely to pick up between a half inch to an inch of rainfall and 1 to 3 inches in the Cascades. Accordingly, temperatures will be knocked down to well below seasonal levels.

LONG TERM /WEDNESDAY THROUGH SATURDAY/
An upper level trough will progress southeastward across the area on Wednesday maintaining cool and showery conditions across Western Washington.
Looking toward the later half of the week, it seems that we'll be stuck in much the same pattern as recent days. Model ensembles maintain a mean ridge position well offshore with broad troughing over the Western US. Look for additional systems to dip southward out of British Columbia that will keep shower chances in the forecast and temperatures below normal until further notice. 27

AVIATION
An upper level trough is over the Pac NW today with onshore flow. Showers this morning are mainly over the central sound and in the Cascades where there's low level convergence. The central sound is also seeing MVFR to IFR conditions. Showers will mostly linger over the Cascades this afternoon and there's a slight chance of thunderstorms over the North Cascades. Showers will diminish tonight as the trough shifts farther east. The low level air mass will remain moist overnight with pockets of low- end VFR conditions. 33

KSEA...Showers with a convergence zone in the vicinity this morning with MVFR conditions. Winds S around 5 kt becoming more W to NW around 21z this afternoon (with drier conditions expected).

33

MARINE
High pressure over the NE Pacific will maintain onshore flow across western WA this week. Highest wind and waves will be through the Strait of Juan de Fuca and outer Coastal Waters - Small Craft Advisories are in effect. A frontal system will cross the waters on Tuesday with another (weak) system on Friday. 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 5 AM PDT Monday for Central U.S.
Waters Strait Of Juan De Fuca-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-East Entrance U.S. Waters Strait Of Juan De Fuca.

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Tacoma, Commencement Bay, Sitcum Waterway, Puget Sound, Washington (sub), Tide feet

Discovery Island
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Sun -- 01:11 AM PDT     0.94 knots Max Flood
Sun -- 03:33 AM PDT     -0.00 knots Slack
Sun -- 03:44 AM PDT     Moonset
Sun -- 05:28 AM PDT     Sunrise
Sun -- 07:40 AM PDT     -1.72 knots Max Ebb
Sun -- 11:56 AM PDT     0.00 knots Slack
Sun -- 02:21 PM PDT     1.16 knots Max Flood
Sun -- 04:59 PM PDT     Moonrise
Sun -- 05:07 PM PDT     -0.00 knots Slack
Sun -- 08:12 PM PDT     -0.95 knots Max Ebb
Sun -- 08:45 PM PDT     Sunset
Sun -- 11:42 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION

Discovery Island, 3.3 miles NE of, Washington Current, knots

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