Friday, August7, 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 5:55AMSunset 8:35PM Friday August 7, 2020 4:40 AM PDT (11:40 UTC) Moonrise 9:46PMMoonset 9:01AM Illumination 88% Phase: Waning Gibbous; Moon at 18 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- 232 Am Pdt Fri Aug 7 2020
Today..S wind to 10 kt becoming nw in the afternoon. Wind waves 1 ft or less. A slight chance of showers in the afternoon.
Tonight..N wind 5 to 15 kt becoming nw after midnight. Wind waves 2 ft or less. A chance of showers.
Sat..Light wind becoming N 5 to 15 kt in the afternoon. Wind waves 2 ft or less. A slight chance of showers.
Sat night..NE wind to 10 kt. Wind waves 1 ft or less.
Sun..N wind to 10 kt rising to 5 to 15 kt in the afternoon. Wind waves 2 ft or less.
Sun night..N wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Mon..Light wind becoming nw to 10 kt. Wind waves 1 ft or less.
Tue..S wind to 10 kt becoming variable. Wind waves 1 ft or less.
PZZ100 232 Am Pdt Fri Aug 7 2020
Synopsis for the northern and central washington coastal and inland waters..High pressure over the ne pacific will maintain onshore flow through this weekend and into early next week. A stronger onshore push may bring small craft advisory winds through the strait on Saturday.


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 070958 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 258 AM PDT Fri Aug 7 2020

SYNOPSIS. Weak high pressure will rebuild into the region today for drier conditions. A weak system will brush the region tonight and early Saturday for a chance of showers before high pressure returns for warmer and drier conditions Sunday and Monday. An upper trough will return in the middle of next week for cooler temperatures and additional cloud cover.

SHORT TERM /TODAY THROUGH SUNDAY/. There are some lingering showers early this morning, mainly over the Cascades, but these should fade away in the next few hours as weak high pressure aloft moves over the area. An upper short wave will bring some showers to the coast and north interior later this afternoon and tonight. This weather system mostly falls apart as it moves onshore tonight and most of the rest of the area probably won't get much if any precipitation. A few showers will linger into Saturday with a weak upper trough over the area but mostly it will be a dry day. Highs will be slightly below normal today and Saturday then warm to near or slightly above normal on Sunday. Schneider

LONG TERM /MONDAY THROUGH THURSDAY/. Monday is looking like the warmest day in the next week with a broad upper ridge over the area. Low level flow will remain onshore which will prevent temperatures from warming too much but highs should be in the lower to mid 80s for much of the I-5 corridor with 70s elsewhere. An upper trough will gradually carve out across the Pacific Northwest Tuesday through Thursday. It looks dry initially and the main change will be for highs to cool to near normal with a bit more cloudiness. Shower chances will gradually increase in the middle of the week with the best chances on Thursday. Schneider

AVIATION. The low level air mass remains moist with pockets of IFR to MVFR cigs across western WA. Ceilings will improve this afternoon with mainly VFR conditions expected. The flow aloft is westerly. A weak cold front will bring mostly light showers this afternoon and evening. Showers will diminish late tonight. 33

KSEA . MVFR cigs this morning then improving to VFR this afternoon. S winds to 10 kt becoming N 00-03z this evening. 33

MARINE. Winds will be generally light today and tonight as a weak cold front dissipates over the area. A stronger onshore push will likely bring Small Craft Advisory winds through the strait on Saturday. The flow will remain onshore through early next week. 33

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 . Small Craft Advisory until 5 AM PDT early this morning for Central U.S. Waters Strait Of Juan De Fuca-East Entrance 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 mi52 min SSE 5.1 G 7
TCNW1 - 9446484 - Tacoma, WA 1 mi52 min 60°F 56°F1021.4 hPa
46121 16 mi47 min 57°F 1020.9 hPa54°F
WPOW1 - West Point, WA 27 mi40 min SSW 8 G 8 56°F 1020.9 hPa56°F
46120 34 mi48 min S 1.9 57°F 1019.8 hPa54°F
46125 45 mi49 min 55°F 1019.8 hPa54°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 mi42 minS 710.00 miMostly Cloudy54°F49°F87%1021.3 hPa
Tacoma, Tacoma Narrows Airport, WA8 mi47 minS 710.00 miMostly Cloudy55°F51°F87%1020.9 hPa
Seattle, Seattle-Tacoma International Airport, WA13 mi47 minS 710.00 miOvercast59°F52°F78%1021.4 hPa
Pierce County-Thun Field, WA14 mi45 minN 010.00 miMostly Cloudy57°F51°F82%1021.3 hPa
Fort Lewis / Gray U. S. Army Airfield, WA15 mi42 minSE 610.00 miMostly Cloudy53°F52°F100%1021 hPa
Boeing Field - King County International Airport, WA19 mi47 minS 510.00 miOvercast60°F51°F72%1020.6 hPa
Renton Municipal Airport, WA19 mi47 minSSE 59.00 miOvercast60°F51°F72%1021.2 hPa
Bremerton, Bremerton National Airport, WA23 mi44 minN 010.00 miFair47°F46°F97%1021.2 hPa

Link to 5 minute data for KTCM

Wind History from TCM (wind in knots)
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W9W13SW13SW10SW8S6S7S6S8S7
1 day agoCalmCalmCalmW5W4W5W5NW4NW8NW8NW8NW10NW11W9W10W14W10W6S6S5S3S4S7S8
2 days agoCalmCalmCalmCalmN7N8N9N9NE9NE9NE7
G15
NE10NE6NE8NE8N6NE4NE4CalmCalmCalmS3CalmCalm

Tide / Current Tables for Tacoma, Commencement Bay, Washington
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Tacoma
Click for Map
Fri -- 02:25 AM PDT     4.90 feet Low Tide
Fri -- 05:56 AM PDT     Sunrise
Fri -- 07:36 AM PDT     9.49 feet High Tide
Fri -- 10:01 AM PDT     Moonset
Fri -- 02:08 PM PDT     0.72 feet Low Tide
Fri -- 08:33 PM PDT     Sunset
Fri -- 09:03 PM PDT     11.74 feet High Tide
Fri -- 10:45 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.65.955.15.97.28.59.39.48.77.25.33.21.50.71.22.74.97.49.711.211.711.310.1

Tide / Current Tables for Discovery Island, 3.3 miles NE of, Washington Current
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Discovery Island
Click for Map
Fri -- 12:54 AM PDT     -1.45 knots Max Ebb
Fri -- 05:01 AM PDT     0.00 knots Slack
Fri -- 05:57 AM PDT     Sunrise
Fri -- 06:41 AM PDT     0.62 knots Max Flood
Fri -- 08:31 AM PDT     -0.00 knots Slack
Fri -- 10:01 AM PDT     Moonset
Fri -- 12:28 PM PDT     -1.54 knots Max Ebb
Fri -- 04:15 PM PDT     0.00 knots Slack
Fri -- 07:03 PM PDT     1.67 knots Max Flood
Fri -- 08:33 PM PDT     Sunset
Fri -- 10:03 PM PDT     -0.00 knots Slack
Fri -- 10:46 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.3-1.5-1.3-0.9-0.5-00.50.60.3-0.2-0.8-1.2-1.5-1.5-1.2-0.8-0.20.71.41.71.50.90-0.6

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 (7,2,3,4)
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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.