Wednesday, December11, 2019
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Marine Weather and Tides
Ronald, WA

Version 3.4
NOTICE
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.
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 7:36AMSunset 4:14PM Wednesday December 11, 2019 6:49 PM PST (02:49 UTC) Moonrise 4:10PMMoonset 6:59AM Illumination 100% Phase: Full Moon; Moon at 15 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- 238 Pm Pst Wed Dec 11 2019
.small craft advisory in effect through Thursday afternoon...
Tonight..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain.
Thu..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain.
Thu night..SW wind 10 to 20 kt rising to 15 to 25 kt after midnight. Wind waves 2 to 4 ft. Rain.
Fri and Fri night..S wind 5 to 15 kt. Wind waves 2 ft or less.
Sat and Sat night..Variable wind to 10 kt. Wind waves 1 ft or less.
Sun..SE wind to 10 kt. Wind waves 1 ft or less.
Mon..S wind to 10 kt. Wind waves 1 ft or less.
PZZ100 238 Pm Pst Wed Dec 11 2019
Synopsis for the northern and central washington coastal and inland waters..A vigorous frontal system will move through the area this evening. A trough will cross the area on Thursday. Onshore flow Thursday night will ease Friday. A weather disturbance will move ashore south of the area over the weekend.


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 112226 AFDPDT

Area Forecast Discussion National Weather Service Pendleton OR 226 PM PST Wed Dec 11 2019

SHORT TERM. Tonight through Thursday night. The next in a series of weather disturbances has started to impact the forecast area this afternoon. A frontal boundary associated with a low pressure system off the coast is moving across Central OR and WA, with radar showing snow and rain showers impacting Western and portions of Central OR and WA at this time. This initial frontal boundary will bring periods of rain and high elevation snow through tonight into tomorrow, while a follow up of upper level disturbances will continue precipitation chances into Friday before waning into the weekend. A winter weather advisory was issued for areas above 2000 feet along the eastern slopes of the WA Cascades, as snow accumulations of 3-6 inches are expected in the passes. Snow levels will mostly be between 4000-5000 feet through the period, with snow levels in the Kittitas Valley up to the East slopes of the WA Cascades between 2500-3000 feet tonight and rising by Friday afternoon. Ahead of the frontal boundary earlier today, central OR and Grande Ronde valley winds picked up, and are expected to stay breezy into Friday. Lawhorn

Friday through Saturday . The strong westerly jet will lower south and will become positioned just north of 40N on Friday, and the moist westerly flow will mainly affect the southern half of Oregon. Although colder air will lower snow levels down to around 3000-3500 feet, most precipitation on Friday will be along the Cascades and south of Jefferson and Wheeler Counties. The jet will continue to lower southward Friday night, and any showers remaining will be isolated to scattered mountain snow showers Friday night and Saturday with mostly cloudy skies elsewhere. Wister

LONG TERM. Saturday night through Wednesday. A few showers will linger over the mountains Saturday night and Sunday in northwest flow. A ridge is expected to build along the coast and then move inland Monday and Tuesday with mainly dry conditions. The next system to bring a chance of snow showers to the area starting Wednesday, with most of the system to move through Wednesday night and Thursday. Temperatures are expected to be near normal through the period. 93

AVIATION. 00z Tafs. Rain will spread west to east with snow above 4500 feet overnight. Widespread MVFR and IFR conditions are expected for most of the period due to low CIGS and VSBYS in -RA and BR. The rain should decrease to showers after 12-15z with conditions improving to VFR at most sites. Winds will be 10-15 kts and gusty at BDN/RDM with light winds at other sites overnight and then increasing to 5-10 kts on Thursday.

PRELIMINARY POINT TEMPS/POPS. PDT 39 51 38 46 / 60 50 50 20 ALW 38 50 39 45 / 70 60 60 30 PSC 37 51 38 47 / 60 40 30 10 YKM 32 45 29 46 / 70 50 30 10 HRI 36 52 39 48 / 60 40 30 10 ELN 30 43 30 41 / 70 50 40 10 RDM 35 48 30 44 / 70 70 60 30 LGD 36 47 34 42 / 70 70 60 40 GCD 36 45 33 41 / 80 70 60 30 DLS 37 48 37 47 / 80 70 60 20

PDT WATCHES/WARNINGS/ADVISORIES. OR . None. WA . Winter Weather Advisory until 4 AM PST Thursday for WAZ520.



82/85/93/93


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 71 mi50 min ESE 1.9 G 5.1
TCNW1 - 9446484 - Tacoma, WA 71 mi50 min 48°F 51°F1011.4 hPa (-2.1)

Wind History for Seattle, Puget Sound, WA, WA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Stampede Pass, WA14 mi1.9 hrsVar 31.00 miLight Snow Fog/Mist29°F26°F89%1013.6 hPa

Link to 5 minute data for KSMP

Wind History from SMP (wind in knots)
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Last 24hrCalmE3CalmCalmCalmCalmCalmCalm3CalmCalmCalmCalmCalmCalm4NE33NE4CalmE3E333
1 day ago333NE3NE445NE4NE33E3E554NE4E444E3CalmE3CalmCalmCalm
2 days ago33SW33SW3SW3SW3SW4SW3CalmCalmCalmCalmE3NE3Calm3E4E3E3CalmE3Calm--

Tide / Current Tables for Des Moines, Washington
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Des Moines
Click for Map
Wed -- 05:18 AM PST     11.72 feet High Tide
Wed -- 07:04 AM PST     Moonset
Wed -- 07:46 AM PST     Sunrise
Wed -- 10:24 AM PST     7.17 feet Low Tide
Wed -- 03:14 PM PST     11.30 feet High Tide
Wed -- 04:15 PM PST     Moonrise
Wed -- 04:18 PM PST     Sunset
Wed -- 09:14 PM PST     Full Moon
Wed -- 10:34 PM PST     -1.50 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.74.279.41111.711.510.79.387.27.38.29.410.611.3119.87.85.32.60.2-1.3-1.4

Tide / Current Tables for Duwamish Waterway, Washington
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Duwamish Waterway
Click for Map
Wed -- 05:14 AM PST     11.04 feet High Tide
Wed -- 07:05 AM PST     Moonset
Wed -- 07:47 AM PST     Sunrise
Wed -- 10:27 AM PST     6.74 feet Low Tide
Wed -- 03:10 PM PST     10.64 feet High Tide
Wed -- 04:14 PM PST     Moonrise
Wed -- 04:17 PM PST     Sunset
Wed -- 09:14 PM PST     Full Moon
Wed -- 10:37 PM PST     -1.41 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.546.68.910.41110.8108.87.56.86.97.78.91010.610.39.27.352.50.2-1.2-1.3

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 (21,6,7,8)
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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.