Wednesday, January22, 2020
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Marine Weather and Tides
Ronald, 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 7:36AMSunset 4:51PM Wednesday January 22, 2020 5:31 AM PST (13:31 UTC) Moonrise 6:11AMMoonset 2:47PM Illumination 7% Phase: Waning Crescent; Moon at 27 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- 241 Am Pst Wed Jan 22 2020
.small craft advisory in effect until 10 am pst this morning...
Today..S wind 15 to 25 kt becoming se 10 to 20 kt in the afternoon. Wind waves 2 to 4 ft. Rain.
Tonight..S wind 10 to 20 kt rising to 15 to 25 kt after midnight. Wind waves 2 to 4 ft. Rain.
Thu..S wind 15 to 25 kt rising to 20 to 30 kt in the afternoon. Wind waves 3 to 5 ft. Rain.
Thu night..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
Fri..S wind 15 to 25 kt easing to 10 to 20 kt in the afternoon. Wind waves 2 to 4 ft.
Fri night..S wind 5 to 15 kt becoming se to 10 kt after midnight. Wind waves 2 ft or less.
Sat..SE wind 5 to 15 kt becoming S to 10 kt. Wind waves 2 ft or less.
Sun..S wind to 10 kt. Wind waves 1 ft or less.
PZZ100 241 Am Pst Wed Jan 22 2020
Synopsis for the northern and central washington coastal and inland waters..A warm front will lift north across the area on today, then gradually shift inland Thursday and Thursday night. Active weather will continue through the remainder of the week as additional weather systems moves across the area.


7 Day Forecast for Marine Location Near Ronald, WA
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location: 47.25, -121.08     debug


Area Discussion for - Pendleton, OR
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FXUS66 KPDT 221133 AAA AFDPDT

Area Forecast Discussion National Weather Service Pendleton OR 335 AM PST Wed Jan 22 2020

Updated Aviation Discussion

SHORT TERM. Today through Friday night. Satellite showing a fairly strong warm front is moving into the Pacific northwest early this morning. As the front moves across the forecast area today rain and mountain snow likely. The warm advection will cause snow levels to rise. Surface gradients are not that strong as the low center is located well offshore. At most could have some locally breezy southerly winds later today. The region will continue to have a series of upper level troughs and fronts move through over the next couple of days. This will maintain mostly cloudy skies with periods of rain and higher mountain snow. Southwesterly flow aloft will keep the airmass mild with freezing levels at 5-7k feet. High temps will be in the 40s to lower 50s.

LONG TERM. Saturday through Wednesday . The progressive flow pattern will continue through the long term period. Deterministic models are in good agreement through Monday but begin to diverge Monday night through the middle of next week. Saturday and Saturday night look to be particularly wet and mild as two surface lows travel north across WA/OR with warm air advection east of the Cascades. Although there are some minor differences in the position of the secondary low Saturday night, all show decent amounts of QPF with a hint of an atmospheric river Saturday night. Snow levels early Saturday will be around 3500-4000 feet, therefore at least a couple inches of snow can be expected in the mountains before snow changes to rain for elevations below 5k-6k feet. There will likely be sharp rises along rivers and streams during this time, and minor flooding is possible. I do not anticipate any substantial runoff for major hydrological concerns, as the ground is likely moist but not frozen. A cold front is progged to lower snow levels down to near 3500 feet Sunday night followed by scattered rain and mountain snow showers Monday in a W-NW flow aloft. Confidence in the long range forecast is not strong the remainder of the forecast period, but it appears that it will be a continued chance of rain and mountain snow. The devil is in the details on timing and strength of additional Pacific fronts. Wister

AVIATION. 12Z TAFs . VFR conditions will give way to MVFR/IFR by mid morning as precipitation spreads east of the Cascades. The only exception will be at KRDM and KBDN where precipitation will be light and will lift north into WA tonight and Thursday morning. Precipitation will begin as a snow/rain mix at KYKM then change to all rain this afternoon. Conditions at all TAF sites will gradually improve to VFR tonight as the warm front lifts north and out of the region. Winds will be 10 kts or less through 12Z/23rd. Wister


PRELIMINARY POINT TEMPS/POPS. PDT 44 40 53 42 / 70 70 30 60 ALW 42 39 51 44 / 70 70 40 50 PSC 43 40 51 43 / 70 60 30 60 YKM 41 34 46 39 / 70 70 40 80 HRI 44 39 51 43 / 70 60 30 60 ELN 37 33 42 36 / 70 70 50 80 RDM 46 37 52 38 / 70 20 10 70 LGD 39 36 44 36 / 70 80 40 50 GCD 41 37 46 36 / 80 50 10 50 DLS 44 38 48 42 / 90 50 40 90

PDT WATCHES/WARNINGS/ADVISORIES. OR . Winter Weather Advisory from 10 AM this morning to 4 AM PST Thursday for ORZ502.

WA . Winter Weather Advisory from 10 AM this morning to 4 AM PST Thursday for WAZ030.

Winter Weather Advisory from 7 AM this morning to 10 PM PST this evening for WAZ520.



94/85/85


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 71 mi43 min S 2.9 G 7
TCNW1 - 9446484 - Tacoma, WA 71 mi49 min 46°F 49°F1016.8 hPa

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Stampede Pass, WA14 mi35 minVar 57.00 miOvercast32°F30°F92%1015.2 hPa

Link to 5 minute data for KSMP

Wind History from SMP (wind in knots)
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Last 24hr644CalmCalm433CalmCalmCalmCalm--3CalmCalmCalm334W9
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1 day ago643454343565555443E756--56
2 days ago553555555555544--44445NE454

Tide / Current Tables for Des Moines, Washington
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Des Moines
Click for Map
Wed -- 04:29 AM PST     12.01 feet High Tide
Wed -- 06:16 AM PST     Moonrise
Wed -- 07:46 AM PST     Sunrise
Wed -- 09:27 AM PST     7.83 feet Low Tide
Wed -- 02:08 PM PST     11.28 feet High Tide
Wed -- 02:52 PM PST     Moonset
Wed -- 04:55 PM PST     Sunset
Wed -- 09:37 PM PST     -1.56 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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46.89.21111.911.9119.78.67.97.98.69.710.811.3119.87.95.42.60.1-1.3-1.5-0.3

Tide / Current Tables for Duwamish Waterway, Washington
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Duwamish Waterway
Click for Map
Wed -- 04:25 AM PST     11.31 feet High Tide
Wed -- 06:17 AM PST     Moonrise
Wed -- 07:47 AM PST     Sunrise
Wed -- 09:30 AM PST     7.37 feet Low Tide
Wed -- 02:04 PM PST     10.63 feet High Tide
Wed -- 02:51 PM PST     Moonset
Wed -- 04:54 PM PST     Sunset
Wed -- 09:40 PM PST     -1.47 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.76.48.810.411.211.210.49.28.17.47.58.19.110.210.610.39.27.452.40.2-1.2-1.4-0.4

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 Pendleton, OR (8,2,3,4)
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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 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.