Sunday, January19, 2020
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Marine Weather and Tides
Vashon, WA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:47AMSunset 4:52PM Sunday January 19, 2020 5:32 PM PST (01:32 UTC) Moonrise 2:53AMMoonset 12:48PM Illumination 26% Phase: Waning Crescent; Moon at 24 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ135 Puget Sound And Hood Canal- 213 Pm Pst Sun Jan 19 2020
Tonight..Variable wind 5 to 15 kt becoming S after midnight. Wind waves 2 ft or less. A chance of rain in the evening.
Mon..S wind 5 to 15 kt. Wind waves 2 ft or less. A chance of rain.
Mon night..SE wind to 10 kt rising to 5 to 15 kt after midnight. Wind waves 2 ft or less. A chance of rain in the evening then rain likely after midnight.
Tue..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Tue night..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Wed..S wind 10 to 20 kt becoming 5 to 15 kt in the afternoon. Wind waves 1 to 3 ft.
Wed night..S wind to 10 kt becoming se after midnight. Wind waves 1 ft or less.
Thu..S wind 5 to 15 kt. Wind waves 2 ft or less.
Fri..S wind 5 to 15 kt becoming se to 10 kt. Wind waves 2 ft or less.
PZZ100 213 Pm Pst Sun Jan 19 2020
Synopsis for the northern and central washington coastal and inland waters..A weakening cold front will move through the area on Monday followed rapidly by a stronger frontal system Monday night and Tuesday. The weather will stay active Wednesday and Thursday with additional weather systems affecting the area.


7 Day Forecast for Marine Location Near Vashon, WA
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location: 47.4, -122.46     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 192218 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 218 PM PST Sun Jan 19 2020

SYNOPSIS. A weak upper ridge will give way to a weak front on Monday. A stronger front will arrive Tuesday. Additional fronts will move through the region later in the week.

SHORT TERM /TONIGHT THROUGH WEDNESDAY/. Most of the rain with a frontal system stayed north of the area today. The ridge bulging up over the region has allowed skies to clear over southwest Washington this afternoon. The front just offshore will weaken and break up as it moves ashore on Monday--not much will come of the front, but the coast and Olympics should get a little rain. The freezing level is high--although cool air continues to work into the passes from Eastern Washington. The difference in air masses is apparent in the -8mb cross Cascade pressure gradient. A stronger front will arrive late Monday night and Tuesday for some wet breezy weather and the snow level will fall as 850mb temps drop to around -3c Tuesday night or early Wednesday will see showers decrease and the next front will approach the area in the afternoon.

LONG TERM /THURSDAY THROUGH SUNDAY/. Periods of rain and mild temps are likely through the end of the week. The air mass will probably cool and dry around Sunday. The rivers will rise but it still a little early to bite off and issue a hydro outlook.

AVIATION. The trend is for drier weather this evening with a warm front over southern B.C. The flow aloft is W/SW. Ceilings are mostly VFR. Patchy fog may form in the south sound overnight. Rain returns Monday morning as a cold front pushes inland. 33

KSEA . Mainly VFR conditions tonight with light rain in the vicinity this afternoon. S/SE winds at the surface to 10 kt. 33

MARINE. Small Craft Advisories remain in effect for most waters tonight. Meanwhile, seas at the Coastal Waters and West Entrance will build to 9-12 feet. A cold front will weaken as it moves inland early Monday. A stronger Pacific frontal system may bring gales to the Coastal Waters Monday night or Tuesday. The flow will turn briefly onshore Tuesday night, then turn back offshore on Wednesday as the next warm front arrives. 33

HYDROLOGY. Rainfall will remain light through Monday. Heavier precip later Monday night through Tuesday night will arrive as the snow level drops to around 2500 feet. Then, higher snow levels are likely after the middle of the week so the rivers will rise through the end of the week.

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Small Craft Advisory until 4 PM PST Monday 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 until 10 PM PST this evening for Grays Harbor Bar-West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 7 AM PST Monday for Admiralty Inlet- East Entrance U.S. Waters Strait Of Juan De Fuca-Northern Inland Waters Including The San Juan Islands.

Small Craft Advisory until 4 AM PST Monday for Central U.S. Waters Strait Of Juan De Fuca.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 9 mi45 min W 7 G 9.9
TCNW1 - 9446484 - Tacoma, WA 10 mi51 min 47°F 49°F1017.8 hPa
WPOW1 - West Point, WA 18 mi33 min NE 2.9 G 2.9 46°F 1017.5 hPa (-3.5)45°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Seattle, Seattle-Tacoma International Airport, WA8 mi40 minE 1210.00 miPartly Cloudy53°F39°F61%1017.9 hPa
Tacoma, Tacoma Narrows Airport, WA11 mi40 minNNW 310.00 miPartly Cloudy45°F44°F97%1017.3 hPa
Boeing Field - King County International Airport, WA12 mi40 minN 010.00 miMostly Cloudy49°F44°F83%1017.4 hPa
Renton Municipal Airport, WA14 mi40 minNNW 510.00 miFair46°F43°F89%1017.7 hPa
Tacoma / McChord Air Force Base, WA17 mi95 minN 610.00 miPartly Cloudy50°F49°F100%1018.8 hPa
Bremerton, Bremerton National Airport, WA17 mi37 minN 00.25 miFog45°F45°F100%1018.2 hPa
Fort Lewis / Gray U. S. Army Airfield, WA22 mi95 minNW 410.00 miMostly Cloudy47°F47°F100%1018.5 hPa
Pierce County-Thun Field, WA22 mi58 minVar 410.00 miFair50°F46°F88%1017.3 hPa

Link to 5 minute data for KSEA

Wind History from SEA (wind in knots)
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Last 24hrSE7S8SE8SE7SE11E9SE5SE4SE6SE6E10E10SE6SE96E105E4SE7E6CalmNE5NE6E12
1 day agoE8SE11E9E9E9E7SE5E9E11E14E14E8E9E6E6E5E6SE7S9S11S8S12S7S7
2 days agoW3S7S9S8S5S9S6S9S8S8S7S7SE6CalmCalm3SE5S7CalmS6SE5S9S4SE4

Tide / Current Tables for Burton, Quartermaster Hbr. (inside), Vashon I., Puget Sound, Washington
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Skagit Bay, 1 mile S of Goat Island, Washington Current
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Skagit Bay
Click for Map
Sun -- 12:13 AM PST     -1.19 knots Max Ebb
Sun -- 02:52 AM PST     Moonrise
Sun -- 03:12 AM PST     0.02 knots Slack
Sun -- 05:49 AM PST     1.47 knots Max Flood
Sun -- 07:50 AM PST     Sunrise
Sun -- 09:17 AM PST     -0.03 knots Slack
Sun -- 12:34 PM PST     -1.42 knots Max Ebb
Sun -- 12:48 PM PST     Moonset
Sun -- 03:59 PM PST     0.00 knots Slack
Sun -- 04:51 PM PST     Sunset
Sun -- 06:41 PM PST     1.71 knots Max Flood
Sun -- 10:57 PM PST     -0.06 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.2-1.1-0.9-0.40.81.31.51.310.4-0.8-1.2-1.4-1.4-1.2-0.901.21.61.71.61.30.9-0.3

Weather Map
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wmap_P
GEOS Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Seattle, WA (20,4,5,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.