Sunday, January19, 2020
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Marine Weather and Tides
Tacoma, 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 4:53PM Sunday January 19, 2020 8:43 AM PST (16:43 UTC) Moonrise 2:52AMMoonset 12:48PM Illumination 30% 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- 827 Am Pst Sun Jan 19 2020
Today..S wind 5 to 15 kt becoming variable in the afternoon. Wind waves 2 ft or less. Rain in the morning then a chance of rain in the afternoon.
Tonight..N wind to 10 kt becoming S after midnight. Wind waves 1 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..Variable wind to 10 kt becoming S 5 to 15 kt after midnight. Wind waves 2 ft or less.
Tue..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
Tue night..S wind 5 to 15 kt becoming to 10 kt after midnight. Wind waves 2 ft or less.
Wed..S wind to 10 kt. Wind waves 1 ft or less.
Thu..S wind 5 to 15 kt. Wind waves 2 ft or less.
PZZ100 827 Am Pst Sun Jan 19 2020
Synopsis for the northern and central washington coastal and inland waters..A warm front will lift north through the area today. 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 Tacoma, WA
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location: 47.27, -122.43     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 191632 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 832 AM PST Sun Jan 19 2020

SYNOPSIS. A frontal system is moving into British Columbia today and the warm front is brushing Western Washington. A weak upper ridge will give way to a weak front on Monday. A stronger frontal system on Tuesday. Additional fronts will move through the region through the end of the week.

SHORT TERM /TODAY THROUGH TUESDAY/. Drippy mild weather today, but precip will be light as most of the moisture is well north of the area. An upper ridge has bulged up over the area--it will weaken and shift east as the last gasp of the frontal system now moving into B.C. drags into the area and breaks up. The 12z GFS shows that front over the coast and Olympics at daybreak Monday but it stalls and weakens and never moves inland. A much stronger frontal system arrives late Monday night and Tuesday for some wet blustery weather.

The freezing level is high today--except for some cool air stuck in the passes and along the east slopes of the Cascade Crest. Monday and Monday night will still see fairly high snow levels but precip will be light and mainly over the coast and Olympics. On Tuesday that more respectable frontal system will move through the area. The 850mb temp over Western Washington will peak around +6c today and then fall to around -2c Tuesday afternoon and night. 19

LONG TERM /WEDNESDAY THROUGH SATURDAY/. Upper level heights will rise once again behind the aforementioned frontal system clears the region early Wednesday morning. A series of weak systems is currently progged to traverse the region into the weekend, yielding scattered rain showers and locally breezy conditions across Western Washington. With a general ridging pattern set up over the western third of the CONUS, snow levels will rise above normal levels for late January during the latter part of the work week, yielding rainfall in higher elevations than normal. This may cause the Skokomish River to rise into flood stage once again by this point. Temperatures will general run several degrees above normal as well, with highs rising into the 50s and lows only in the mid 40s in the lowlands. Pullin

AVIATION. A warm front will clip the area today for light rain across western WA. The flow aloft is W/SW. Ceilings are mostly VFR except for the coast where there's MVFR cigs and light rain. The warm front will lift north into B.C. this evening for a brief break in the rain. Rain returns Monday morning as a cold front pushes inland. 33

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

MARINE. A warm front will clip the area today with Small Craft Advisory S/SE Winds over most waters. Meanwhile, seas at the Coastal Waters and West Entrance will build to 10-13 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 after the middle of the week will give a chance for the Skokomish River in Mason county to get above flood stage around Thursday.


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 4 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 from 4 PM this afternoon to 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 1 mi91 min SE 1.9 G 1.9
TCNW1 - 9446484 - Tacoma, WA 1 mi61 min 43°F 49°F1023.7 hPa
WPOW1 - West Point, WA 27 mi43 min S 4.1 G 5.1 47°F 1023.3 hPa (-0.6)41°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tacoma / McChord Air Force Base, WA8 mi1.8 hrsN 010.00 miOvercast42°F41°F100%1023.9 hPa
Tacoma, Tacoma Narrows Airport, WA8 mi50 minNNE 310.00 miOvercast42°F39°F92%1023.3 hPa
Seattle, Seattle-Tacoma International Airport, WA13 mi50 minVar 610.00 miOvercast50°F35°F57%1023.5 hPa
Pierce County-Thun Field, WA14 mi2.1 hrsN 010.00 miOvercast43°F41°F93%1023 hPa
Fort Lewis / Gray U. S. Army Airfield, WA15 mi2.8 hrsN 010.00 miMostly Cloudy41°F41°F100%1023.6 hPa
Boeing Field - King County International Airport, WA19 mi50 minN 010.00 miOvercast45°F37°F74%1023 hPa
Renton Municipal Airport, WA19 mi50 minN 010.00 miOvercast46°F37°F71%1023.5 hPa
Bremerton, Bremerton National Airport, WA23 mi47 minN 01.75 miLight Rain Fog/Mist42°F41°F96%1023.7 hPa

Link to 5 minute data for KTIW

Wind History from TIW (wind in knots)
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Last 24hrCalmCalmNE4CalmS5SW11S7S10
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SW9S7S6SW6S6S6S4S3SE3CalmCalmE3CalmCalmCalmNE3
1 day agoCalmSE3CalmCalmS3CalmCalmSE3CalmCalmS5S3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE4Calm
2 days agoS9S8S12S8SW8SW7SW4SW5NW8SW3S9S7S4S9S6S10S9SW5S4S5S3CalmCalmCalm

Tide / Current Tables for Tacoma, Commencement Bay, Washington
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Tacoma
Click for Map
Sun -- 01:02 AM PST     9.39 feet High Tide
Sun -- 02:52 AM PST     Moonrise
Sun -- 05:41 AM PST     6.32 feet Low Tide
Sun -- 07:49 AM PST     Sunrise
Sun -- 11:42 AM PST     12.41 feet High Tide
Sun -- 12:48 PM PST     Moonset
Sun -- 04:51 PM PST     Sunset
Sun -- 07:10 PM PST     0.14 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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99.49.18.37.36.56.46.98.19.611.112.212.411.6107.85.22.70.90.20.51.83.86.1

Tide / Current Tables for Discovery Island, 3.3 miles NE of, Washington Current
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Discovery Island
Click for Map
Sun -- 01:53 AM PST     -0.00 knots Slack
Sun -- 02:52 AM PST     Moonrise
Sun -- 04:46 AM PST     -0.86 knots Max Ebb
Sun -- 07:49 AM PST     Sunrise
Sun -- 08:05 AM PST     0.00 knots Slack
Sun -- 10:23 AM PST     0.89 knots Max Flood
Sun -- 12:35 PM PST     -0.00 knots Slack
Sun -- 12:48 PM PST     Moonset
Sun -- 04:52 PM PST     Sunset
Sun -- 04:58 PM PST     -2.07 knots Max Ebb
Sun -- 09:18 PM PST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.6-0.1-0.5-0.8-0.9-0.7-0.4-00.50.90.80.4-0.2-0.9-1.5-1.9-2.1-1.9-1.5-0.9-0.20.71.4

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 (11,2,3,4)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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.