Monday, July13, 2020
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Marine Weather and Tides
Ruston, 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 5:26AMSunset 9:05PM Monday July 13, 2020 7:55 PM PDT (02:55 UTC) Moonrise 12:01AMMoonset 1:21PM Illumination 38% Phase: Third Quarter Moon; Moon at 23 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- 629 Pm Pdt Mon Jul 13 2020
Tonight..NE wind 5 to 15 kt. Wind waves 2 ft or less.
Tue..N wind to 10 kt. Wind waves 1 ft or less.
Tue night..N wind 5 to 15 kt becoming ne after midnight. Wind waves 2 ft or less.
Wed..Light wind becoming nw to 10 kt in the afternoon. Wind waves 1 ft or less.
Wed night..N wind 5 to 15 kt becoming ne after midnight. Wind waves 2 ft or less.
Thu..Light wind becoming sw to 10 kt in the afternoon. Wind waves 1 ft or less.
Thu night..Light wind. Wind waves less than 1 ft.
Fri..Light wind becoming nw to 10 kt. Wind waves 1 ft or less.
Sat..Light wind becoming nw to 10 kt. Wind waves 1 ft or less.
PZZ100 629 Pm Pdt Mon Jul 13 2020
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will remain in place through the week with high pressure remaining well offshore and lower pressure inland.


7 Day Forecast for Marine Location Near Ruston town, WA
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location: 47.27, -122.53     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 132153 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 253 PM PDT Mon Jul 13 2020

SYNOPSIS. High pressure will allow for drier, warmer conditions across the area through mid-week, with Wednesday likely the warmest day of the week. A weak frontal system will brush the area Thursday and Friday, carrying a few showers across the area during its passage. A blocking pattern over the Pacific will develop over the weekend, with ridge portion expected hold some influence over the area allowing for another drying and drying warming trend.

SHORT TERM /TONIGHT THROUGH THURSDAY/. A tranquil short term forecast period is in store across the CWA. Water vapor imagery this afternoon depicts an expansive mid/upper level anticyclone across the North Pacific, with a large area of low pressure centered over NW Saskatchewan and extending south into the Northern Rockies. This places the Pacific Northwest in NW flow aloft between these two features. At the surface, high pressure is in control as surface reflection of the upper anticyclone remains anchored across the North Pacific.

The above analysis makes it clear (no pun intended) why the local area is enjoying a mostly sunny day today. Although there is evidence of some embedded vorticity within the H5 NW flow, it has done nothing more than advect a few mid and high clouds across the area at times today, with many of these dissipating with lack of deep layer moisture. Seeing the development of diurnal cumulus across portions of the area too provided abundant sunshine, especially near the higher terrain. These conditions will persist towards sunset, with highs topping off in the 70s most lowlands (60s near water).

Mostly clear skies expected overnight, with the exception of the Coast where onshore flow (given continued high pressure over the Pacific) will likely yield the development of some stratus. Do not expect this layer to penetrate past the immediate coast into Tuesday morning. There will be a better mid/upper level ridge influence through Tuesday, with high pressure continuing to dominate the low levels. Tuesday temps will be several degrees warmer under mostly sunny skies as a result of this pattern.

By Wednesday, the upper ridge will dampen as stronger belt of westerly flow ejects eastward just south of the Gulf of Alaska. After another round of marine stratus along the Coast (likely pushing a tad further inland than Tuesday morning), and potentially down the Strait and into the Northern Sound, should begin to see higher level cloud cover increase by late in the day. Embedded within the aforementioned westerly flow will be a mid level shortwave with an associated sfc frontal boundary, both making progress towards the area through the day. Nevertheless, Wednesday still appears to be the warmest day of the week, especially if cloud cover increases late, with highs in the low 80s lowlands (upper 60s-near 70 around water). Clouds should encompass much of the area by Thursday morning, with the chance for showers increasing through the day from west to east. Rainfall will not amount to much but will likely linger into the long term forecast period.

Kovacik

LONG TERM /FRIDAY THROUGH MONDAY/. The short wave and the frontal system passing through the area at the end of the short term will be exiting the area by Friday morning. Residual troughing will likely to set up in its wake with some lingering showers expected, especially across higher terrain and east of Puget Sound. Conditions will become drier overnight Friday.

By the weekend, ensemble guidance and deterministic guidance suggest the development of a Rex block over the North Pacific. The question will be how quickly and to what extend the ridge portion of this block will build into the PNW region. Ensemble means and WPC cluster analysis are currently suggestive of the best influence remaining just offshore and northward towards southern Alaska. This would essentially place western Washington in a NW flow aloft pattern, with still some ridge influence, which currently appears dry. This pattern appears retrogressive into early next week, with the blocking feature retreating to the west a bit. Even in this scenario, it appears the main storm track with remain to our north as western Washington attempts to hold on to some ridge influence. Will opt to keep the extended mostly dry from the weekend onward, with perhaps an even greater warm up than this week with mid 80s possible across some lowland locations by Monday (and mid 70s by water).

Kovacik

AVIATION. Continued northwesterly flow aloft continues through Tuesday as high pressure remains centered offshore. Meanwhile, onshore low-level flow remains in place. This will maintain mostly sunny skies across the region with a little cumulus development, though a return of shallow coastal stratus to the coast and along the Strait of Juan de Fuca is again likely tonight, with perhaps a weak push up the lower Chehalis Valley. Another sunny day Tuesday across the region with lower stratus scattering and returning offshore by around 18z. Diurnally driven winds will increase a bit this afternoon and evening before easing overnight, with a repeat tomorrow.

KSEA . Clear skies continue today with northerly winds. Winds ease and become light northeasterly overnight, before increasing again from the north tomorrow afternoon. Cullen

MARINE. Varying degrees of onshore flow this week with high pressure over the coastal waters and lower pressure inland. Expect diurnally driven increases in west winds through the Strait of Juan de Fuca each evening for the next several days, leading to advisory strength winds through the central and eastern portions of the Strait. Over the coastal waters, northerly winds persist through the next several days, with winds largely remaining below advisory thresholds. Expect seas to remain generally 4 to 6 feet over the coastal waters, though expect choppy conditions over the coastal waters as dominant periods remain around 8 to 10 seconds through midweek. Cullen

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 from 8 PM this evening to 5 AM PDT Tuesday 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
TCNW1 - 9446484 - Tacoma, WA 6 mi146 min 54°F
46121 11 mi43 min 3.9 69°F 1018.9 hPa51°F
WPOW1 - West Point, WA 28 mi56 min NE 8 G 8.9 62°F 1019.3 hPa (-0.7)52°F
46120 35 mi37 min 65°F 1018.2 hPa47°F
46125 44 mi45 min 58°F 1018.6 hPa52°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tacoma, Tacoma Narrows Airport, WA3 mi63 minNE 510.00 miPartly Cloudy69°F42°F38%1018.8 hPa
Tacoma / McChord Air Force Base, WA8 mi58 minNNE 710.00 miFair73°F40°F31%1019.3 hPa
Fort Lewis / Gray U. S. Army Airfield, WA13 mi58 minNW 710.00 miFair73°F48°F41%1018.9 hPa
Seattle, Seattle-Tacoma International Airport, WA17 mi63 minNNW 1010.00 miA Few Clouds73°F45°F37%1019.5 hPa
Pierce County-Thun Field, WA17 mi61 minN 010.00 miFair73°F42°F33%1019 hPa
Bremerton, Bremerton National Airport, WA19 mi60 minN 910.00 miFair71°F45°F39%1019.6 hPa
Boeing Field - King County International Airport, WA22 mi63 minNW 610.00 miFair73°F43°F34%1018.6 hPa
Renton Municipal Airport, WA23 mi63 minNNW 1010.00 miFair72°F46°F41%1019 hPa

Link to 5 minute data for KTIW

Wind History from TIW (wind in knots)
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Last 24hrN11N11N12N5NW3CalmN5NE5NE4NE5NE4N4NE4N4N56N8N8NE9NE65NE9NE7NE5
1 day ago6SW5SW4SW5SW6SW8S7S8S7SW7S56SW54W54--SW4W6N6NE56NE8N9
2 days agoW4CalmCalmCalmN3CalmNE3CalmCalmCalmCalmCalmS4SW43SW8W10W8W9
G16
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Tide / Current Tables for Tacoma Narrows Bridge, Washington
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Tacoma Narrows Bridge
Click for Map
Mon -- 12:04 AM PDT     12.06 feet High Tide
Mon -- 01:01 AM PDT     Moonrise
Mon -- 05:28 AM PDT     Sunrise
Mon -- 06:58 AM PDT     3.24 feet Low Tide
Mon -- 01:07 PM PDT     8.18 feet High Tide
Mon -- 02:20 PM PDT     Moonset
Mon -- 06:02 PM PDT     4.92 feet Low Tide
Mon -- 09:03 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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12.111.710.58.86.74.83.63.23.64.55.777.88.287.36.35.34.95.36.27.69.210.6

Tide / Current Tables for Discovery Island, 3.3 miles NE of, Washington Current
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Discovery Island
Click for Map
Mon -- 12:28 AM PDT     -0.00 knots Slack
Mon -- 01:00 AM PDT     Moonrise
Mon -- 04:33 AM PDT     -1.51 knots Max Ebb
Mon -- 05:27 AM PDT     Sunrise
Mon -- 09:17 AM PDT     0.00 knots Slack
Mon -- 11:08 AM PDT     0.56 knots Max Flood
Mon -- 01:20 PM PDT     -0.00 knots Slack
Mon -- 02:20 PM PDT     Moonset
Mon -- 04:38 PM PDT     -0.73 knots Max Ebb
Mon -- 08:03 PM PDT     0.00 knots Slack
Mon -- 09:03 PM PDT     Sunset
Mon -- 10:34 PM PDT     0.83 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.3-0.3-0.8-1.2-1.5-1.5-1.3-1-0.5-0.10.30.60.50.1-0.2-0.5-0.7-0.7-0.6-0.3-00.50.80.8

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 (22,6,7,8)
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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.