Saturday, November17, 2018 L-36.com


Marine Weather and Tides
Ashford, WA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:15AMSunset 4:33PM Saturday November 17, 2018 4:30 PM PST (00:30 UTC) Moonrise 2:25PMMoonset 12:47AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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- 245 Pm Pst Sat Nov 17 2018
Tonight..N wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft. Patchy fog after midnight.
Sun..N wind to 10 kt. Wind waves 1 ft or less. Areas of fog in the morning.
Sun night..N wind to 10 kt becoming S after midnight. Wind waves 1 ft or less. Patchy fog after midnight.
Mon..Light wind. Wind waves less than 1 ft.
Mon night..Light wind becoming S to 10 kt after midnight. Wind waves 1 ft or less.
Tue..S wind to 10 kt. Wind waves 1 ft or less.
Tue night..S wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Wed..SE wind to 10 kt becoming s. Wind waves 1 ft or less.
Thu..S wind to 10 kt. Wind waves 1 ft or less.
PZZ100 245 Pm Pst Sat Nov 17 2018
Synopsis for the northern and central washington coastal and inland waters..Offshore flow will prevail through early next week with high pressure east of the cascades. The next frontal system will approach the region on Tuesday then split and weaken as it moves inland on Wednesday.


7 Day Forecast for Marine Location Near Ashford, WA
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location: 46.81, -122.06     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 171820
afdsew
area forecast discussion
national weather service seattle wa
950 am pst Sat nov 17 2018... Corrected

Synopsis A dry weather pattern with areas of night and morning
fog will persist into early next week. Overnight temperatures
will be on the cooler side, dropping into the 30s and even upper
20s by Sunday morning at some locations. A series of weather
systems will bring wet weather by the middle of next week through
the holiday weekend.

Short term A strong ridge of high pressure will maintain dry
weather over the pacific northwest through at least Monday or
Tuesday of next week. Offshore flow will increase today with a
1038 mb surface high over southern british columbia extending east
of the cascades. The flow is more northerly this morning with the
pdx-bli gradient around -5 mb. Meso models show northely winds
picking up this afternoon, around 10 to 20 mph. Drier air is already
filtering into the area, with only patchy fog coverage this morning.

This will clear out over the next couple hours with mostly sunny
skies the rest of the day. Highs will reach the low 50s.

Little change in temperatures or the overall weather pattern is
expected through Monday. The flow will become more easterly tonight
through Monday, allowing the northerly breeze to ease. Radiational
cooling will be more efficient, with temperatures falling into
the 30s or below freezing in cold pocket locations like olympia and
shelton. While drier air is filtering into western washington,
cooler low temperatures should allow fog to increase in coverage the
next couple days. However, offshore flow and lower dew points will
hinder widespread development. Fog or freezing fog may be locally
dense in prone valleys, especially around the southwest interior and
the interior south puget sound. Highs Sunday and Monday will reach
the low to mid 50s with any morning fog burning off by early
afternoon. Mercer

Long term Previous discussion... Tuesday looks like the last dry
day for awhile. A weather system will approach the coast during the
day, and clouds will increase across the area. Highs on Tuesday will
again be in the low to mid 50s. The GFS and euro differ slightly
about when the rain will begin, with the euro a bit slower. It does
seem rain will start some time on Wednesday, so have kept the
forecast of rain likely for Wednesday.

Model timing varies quite a bit after that, and so do the forecast
tracks of the various fronts, with the euro sending most of the
energy into oregon and the GFS moving the fronts right through
washington. For now a the forecast is for rain at times, with high
pops but relatively low qpf, and there will be some dry periods
between fronts. Highs will be somewhat lower than what we have been
experiencing, mostly in the 45 to 50 range. The snow level will fall
to 4000 to 5000 feet, which means most ski areas and passes will get
snow at times. Burke

Aviation High pressure and offshore flow will lead to dry and
stable conditions across western wa. The flow aloft is northerly
with E NE winds at the surface. There is patchy shallow fog in
the interior this morning which will scatter out by the afternoon.

Otherwise, expectVFR conditions. Patchy low clouds will likely
reform overnight. 33
ksea... Patchy low clouds near the terminal this morning will
scatter out forVFR conditions. N NE winds to 8-12kt. Dry
conditions tonight. 33

Marine Offshore flow will prevail across western wa through
early next week due to strong high pressure east of the cascades.

Winds are N NE over the waters with small craft advisories in
effect, specifically for the west entrance and adjacent coastal
waters, northern inland waters, puget sound and hood canal. Winds
will ease late this afternoon. The next frontal system will
approach the region on Tuesday then split and weaken as it moves
inland on Wednesday. 33

Hydrology High pressure is expected to maintain the dry weather
pattern through around Tuesday of next week. A parade of frontal
systems will affect the region starting around Wednesday of next
week through the holiday weekend. Models show a progressive and split
flow pattern, which will tend to weaken these systems. Rain amounts
with each system do not appear to be sufficient to cause flooding on
area rivers. River flooding is not expected on area rivers through
the next 7 days.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until 4 pm pst this afternoon for coastal
waters from CAPE flattery to james island out 10 nm-
northern inland waters including the san juan islands-west
entrance u.S. Waters strait of juan de fuca.

Small craft advisory until 5 pm pst this afternoon for puget
sound and hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCNW1 - 9446484 - Tacoma, WA 37 mi30 min 51°F 53°F1024.3 hPa (-1.1)
TCMW1 - 9446482 - Tacoma Met, WA 37 mi30 min N 12 G 15
46121 48 mi29 min 52°F 1023.8 hPa38°F
EBSW1 - 9447130 - Seattle, WA 57 mi30 min NW 6 G 11 51°F 53°F1024.3 hPa (-1.2)

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pierce County-Thun Field, WA24 mi35 minN 010.00 miFair52°F41°F67%1023.7 hPa

Wind History from PLU (wind in knots)
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Last 24hrCalm5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm3CalmNW4Calm
1 day agoCalmCalmCalmCalmCalmS35S54CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW3Calm
2 days agoSW4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW44CalmSW3SW5Calm

Tide / Current Tables for Tacoma, Commencement Bay, Washington
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Tacoma
Click for Map
Sat -- 12:48 AM PST     Moonset
Sat -- 05:52 AM PST     3.28 feet Low Tide
Sat -- 07:16 AM PST     Sunrise
Sat -- 12:57 PM PST     11.65 feet High Tide
Sat -- 02:27 PM PST     Moonrise
Sat -- 04:32 PM PST     Sunset
Sat -- 07:43 PM PST     4.13 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.77.46.75.74.53.63.33.84.96.68.410.211.311.611.310.28.56.75.24.34.24.75.76.8

Tide / Current Tables for Tacoma, Commencement Bay, Sitcum Waterway, Puget Sound, Washington (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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.
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Wind Forecast for Seattle, WA (19,4,5,8)
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Ground Weather Radar Station Portland, OR
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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.