Sunday, August18, 2019 L-36.com


Marine Weather and Tides
Tacoma, WA

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:08AMSunset 8:18PM Sunday August 18, 2019 12:42 AM PDT (07:42 UTC) Moonrise 9:02PMMoonset 8:09AM Illumination 93% Phase: Waning Gibbous; Moon at 17 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- 817 Pm Pdt Sat Aug 17 2019
Tonight..Variable wind to 10 kt becoming se after midnight. Wind waves 1 ft or less.
Sun..S wind to 10 kt. Wind waves 1 ft or less.
Sun night..NW wind to 10 kt becoming se after midnight. Wind waves 1 ft or less.
Mon..Light wind. Wind waves less than 1 ft.
Mon night..N wind to 10 kt. Wind waves 1 ft or less.
Tue..Light wind becoming S 5 to 15 kt in the afternoon. Wind waves 2 ft or less.
Tue night..SW wind to 10 kt. Wind waves 1 ft or less.
Wed..S wind 5 to 15 kt. Wind waves 2 ft or less.
Thu..Light wind becoming N to 10 kt. Wind waves 1 ft or less.
PZZ100 817 Pm Pdt Sat Aug 17 2019
Synopsis for the northern and central washington coastal and inland waters..Weak onshore flow will continue through the weekend. Surface flow becoming light Monday and Tuesday with a weakening front on Wednesday.


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 180306
afdsew
area forecast discussion
national weather service seattle wa
806 pm pdt Sat aug 17 2019

Synopsis Onshore flow into Monday as a weak weather system
passes to the north of western washington. An upper level ridge
will strengthen early next week for warmer temperatures and more
sun. A front is expected around the middle of the week with a
chance for showers and cooler temperatures.

Short term tonight through Tuesday Satellite imagery this
evening shows mostly cloudy skies across western washington with
some clearing in spots. Generally dry conditions into Sunday with
just a slight chance for a few showers mostly across the olympic
peninsula as a system slides by north of the area. Temperatures
through the weekend will be a few degrees below normal with highs
in the mid 60s to mid 70s across the area.

An upper level ridge will build into the region on Monday with
weak offshore flow by Monday afternoon. Expect additional sunshine
Monday afternoon after morning stratus clouds. Temperatures will
also be a few degrees warmer in the 70s with offshore flow.

The upper level ridge will start to slide east of the area into
Tuesday ahead of the next system. Although there may be some
stratus clouds Tuesday morning, they will be less widespread given
the generally weak offshore flow Tuesday morning. Dry weather into
Tuesday afternoon with showers along the coast by Tuesday night as
the front approaches. Temperatures on Tuesday will be warmer given
the ridge placement and weak offshore flow with highs in the 70s
to mid 80s in spots across the area. Jd

Long term Wednesday through Saturday The front will move
onshore Wednesday with some showers around as the system slides
through the area. Guidance is in general agreement on the timing
of the system with the GFS being a tad bit wetter, especially
across the northern tier, than the ecmwf. Either way, expect
showers around Wednesday with generally drier weather by Thursday
morning. Flow aloft following the system looks mostly zonal with
guidance suggesting another chance of some pops Friday or
Saturday. Temperatures are expected to be near climo into the 70s
across the area. Jd

Aviation Weak low level onshore flow continuing through the
weekend. Northwesterly flow aloft becoming westerly on Sunday.

Stratus lingers this evening though several spots did see a bit of
clearing this afternoon. Ceilings across the area range fromVFR
to MVFR where less clearing occurred. Tonight into Sunday looks
to be a repeat of today with ceilings lowering back down as
stratus becomes overcast overnight. Gradual improvement by mid
afternoon on Sunday.

Ksea...VFR conditions this evening, lowering back down to MVFR
overnight into Sunday morning. Gradual improvement expected again
by late morning to mid afternoon. South to southwest winds 4 to 8
kts. Ceo

Marine Weak onshore flow will continue through the
weekend. No headlines are in place this evening though winds in
the central strait are just below small craft advisory. Flow
becomes lighter on Monday and Tuesday before a weakening front
arrives Wednesday with stronger winds. Ceo

Hydrology The daily hydrology discussion has ended until the
start of the next rainy season; it will only be updated as needed
until then.

Sew watches warnings advisories
Wa... None.

Pz... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 1 mi60 min SSW 1 G 1.9
TCNW1 - 9446484 - Tacoma, WA 1 mi60 min 64°F 56°F1013.7 hPa
46121 16 mi51 min 62°F 1013.1 hPa56°F
WPOW1 - West Point, WA 27 mi42 min ENE 6 G 8 60°F 1013.3 hPa (+0.4)56°F
46120 34 mi45 min NE 1.9 60°F 1012.1 hPa56°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 mi1.7 hrsSW 610.00 miFair62°F60°F94%1013.8 hPa
Tacoma, Tacoma Narrows Airport, WA8 mi1.8 hrsSW 310.00 miFair61°F55°F81%1013.3 hPa
Seattle, Seattle-Tacoma International Airport, WA13 mi1.8 hrsWSW 710.00 miA Few Clouds65°F54°F68%1013.9 hPa
Pierce County-Thun Field, WA14 mi67 minN 010.00 miOvercast61°F57°F88%1013.9 hPa
Fort Lewis / Gray U. S. Army Airfield, WA15 mi2.7 hrsSW 610.00 miFair63°F61°F93%1013.5 hPa
Boeing Field - King County International Airport, WA19 mi1.8 hrsSW 510.00 miA Few Clouds66°F54°F65%1012.9 hPa
Renton Municipal Airport, WA19 mi1.8 hrsN 07.00 miFair67°F55°F68%1013.4 hPa
Bremerton, Bremerton National Airport, WA23 mi1.8 hrsN 010.00 miFair59°F54°F83%1014.8 hPa

Link to 5 minute data for KTIW

Wind History from TIW (wind in knots)
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Last 24hrSW5SW3CalmSW3SW3CalmSW4W3SW4Calm4S7SW4S7S8S8SW5SW4W434W4SW3S4
1 day agoSW8SW5SW5SW5S6S4S5SW5S4S3CalmSW6SW53SW7SW7SW6S6SW4SW5SW4SW4SW5SW4
2 days agoW3CalmW43SW4SW5SW5SW3W4SE4SW7W5W446W64SW6SW5W6W5W4W6SW5

Tide / Current Tables for Tacoma, Commencement Bay, Washington
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Tacoma
Click for Map
Sun -- 01:41 AM PDT     4.62 feet Low Tide
Sun -- 06:10 AM PDT     Sunrise
Sun -- 07:00 AM PDT     9.85 feet High Tide
Sun -- 09:09 AM PDT     Moonset
Sun -- 01:32 PM PDT     0.70 feet Low Tide
Sun -- 08:15 PM PDT     Sunset
Sun -- 08:18 PM PDT     11.62 feet High Tide
Sun -- 10:01 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.14.94.75.46.78.29.49.89.48.16.34.12.10.90.824.16.6910.711.611.410.38.6

Tide / Current Tables for Discovery Island, 3.3 miles NE of, Washington Current
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Discovery Island
Click for Map
Sun -- 12:13 AM PDT     -1.43 knots Max Ebb
Sun -- 04:14 AM PDT     0.00 knots Slack
Sun -- 06:01 AM PDT     0.70 knots Max Flood
Sun -- 06:10 AM PDT     Sunrise
Sun -- 07:55 AM PDT     -0.00 knots Slack
Sun -- 09:09 AM PDT     Moonset
Sun -- 11:50 AM PDT     -1.59 knots Max Ebb
Sun -- 03:38 PM PDT     0.00 knots Slack
Sun -- 06:23 PM PDT     1.66 knots Max Flood
Sun -- 08:16 PM PDT     Sunset
Sun -- 09:20 PM PDT     -0.00 knots Slack
Sun -- 10:01 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.4-1.4-1-0.6-0.10.50.70.5-0-0.6-1.1-1.5-1.6-1.4-1-0.40.41.21.61.61.10.3-0.4-1

Weather Map and Satellite Images
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wmap_P
GOES 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 (3,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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weather_mapweather_map weather_map

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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 numerious 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.