Thursday, August17, 2017 L-36.com


Marine Weather and Tides
Anderson Island, WA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:11AMSunset 8:18PM Thursday August 17, 2017 10:35 AM PDT (17:35 UTC) Moonrise 12:42AMMoonset 4:13PM Illumination 21% Phase: Waning Crescent; Moon at 25 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- 904 Am Pdt Thu Aug 17 2017
Today..Variable wind 10 kt or less. Wind waves 1 ft or less. Patchy drizzle in the morning.
Tonight..N wind 5 to 15 kt. Wind waves 2 ft or less.
Fri..Variable wind 10 kt or less. Wind waves 1 ft or less.
Fri night..N wind 5 to 15 kt. Wind waves 2 ft or less.
Sat..N wind 10 kt or less. Wind waves 1 ft or less.
Sat night through Mon..N wind 5 to 15 kt. Wind waves 2 ft or less.
PZZ100 904 Am Pdt Thu Aug 17 2017
Synopsis for the northern and central washington coastal and inland waters..Onshore flow of varying strength will continue through early next week due to persistent high pres offshore with lower pres east of the cascades.

7 Day Forecast for Marine Location Near Anderson Island, WA
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location: 47.11, -122.73     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 171619
afdsew
area forecast discussion
national weather service seattle wa
920 am pdt Thu aug 17 2017

Synopsis Seasonable summer weather will affect the area today and
Friday with morning clouds and afternoon sunshine. A weak system
will brush the area late Friday into Saturday morning bringing
slightly cooler conditions and possibly areas of drizzle. High
pressure will rebuild over the region Sunday through Tuesday for a
dry and warmer weather.

Short term Marine stratus this morning has spread into all
but north interior and san juan islands with a bit of light drizzle
occuring over the central puget sound area north of king county. As
expected, stratus has already begun to thin in many areas. Expect
skies to scatter out to partly or mostly sunny skies through out the
interior through the late morning. Low clouds may linger along the
coast into the afternoon before clearing out there as well. Upper
level heights over the area will rise today as a trough digging into
the gulf of alaska produces some shortwave ridging downstream over
the pacific northwest. A weakening frontal system will pass to the
north of the area Friday with resulting in a slight chance of light
precipitation mainly for the north coast and possibly the north
interior north cascades during the afternoon. More than anything
this feature will likely act to increase mid and high level clouds
but do little to effect the status quo of seasonal, dry weather into
Saturday.

Long term From previous discussion... An upper level ridge
building over the pacific waters will start to flex its muscles over
w wa starting Sunday as 500mb heights increase... Signaling some
warming. This ridge will pass overhead Monday... With ecmwf
increasing the amplitude of its solution to match better with the
gfs... So overall looks like eclipse day should see mostly clear
skies. While the ridge axis passes over the cascades Tuesday... Temps
end up peaking Tuesday afternoon before an upper level trough... And
cooling temperatures... Enter the area for Wednesday. Smr

Aviation An upper level ridge will prevail over the region
today for westerly flow aloft. The low level flow will remain
onshore. Expect the MVFR CIGS (with areas of ifr CIGS MVFR vsbys)
that currently blanket much of the lower elevations to scatter
out by 2000 utc.

Ksea...VFR conditions will return by 2100 utc (2 pm pdt). Expect
low clouds (MVFR cigs) to return late tonight and will probably
be slower to clear out tomorrow. Light westerly winds will become
northerly late this afternoon. Expect winds to become light
southerly late tonight.

Marine
Onshore flow of varying strength will continue through early next
week due to persistent high pressure offshore with lower pressure
east of the cascades. The onshore flow will be strong enough
Friday night for the possibility of gale force winds over the
central and eastern strait of juan de fuca.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisories are in effect for the central and
eastern strait of juan de fuca.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46121 12 mi38 min 1.9 61°F 1022.2 hPa56°F
TCNW1 - 9446484 - Tacoma, WA 20 mi53 min 63°F 55°F1022.8 hPa
TCMW1 - 9446482 - Tacoma Met, WA 20 mi47 min WNW 4.1 G 4.1
EBSW1 - 9447130 - Seattle, WA 40 mi47 min NW 2.9 G 4.1 60°F 56°F1022.7 hPa
WPOW1 - West Point, WA 41 mi35 min NE 4.1 G 4.1 59°F 1022.9 hPa (+1.0)57°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Lewis / Gray U. S. Army Airfield, WA8 mi37 minN 010.00 miOvercast63°F58°F85%1022.6 hPa
Olympia, Olympia Airport, WA13 mi41 minN 010.00 miOvercast62°F55°F80%1022.6 hPa
Tacoma / McChord Air Force Base, WA14 mi37 minN 010.00 miOvercast63°F58°F85%1023 hPa
Tacoma, Tacoma Narrows Airport, WA14 mi42 minN 010.00 miOvercast62°F55°F78%1022.5 hPa
Pierce County-Thun Field, WA23 mi40 minN 010.00 miOvercast63°F57°F83%1022.7 hPa
Shelton, Shelton Sanderson Field, WA24 mi42 minN 07.00 miOvercast61°F57°F87%1022.1 hPa

Wind History from GRF (wind in knots)
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Last 24hrW4SE7W6W6W6W13W8W7W11W10SW6SW6W5SW5SW5S7S6S5CalmS7SE4CalmCalmCalm
1 day agoNW6NW7NW7N6N4W6W3NW6N4NE6SW4W8W4W3W3W3SW3CalmCalmCalmSE4SW5S6S3
2 days agoCalmSW3SW9NW6W5CalmW3N6NW5N5CalmCalmNW6CalmCalmCalmSE5SE4SE3SE3CalmCalmCalmN4

Tide / Current Tables for Dupont Wharf, Washington
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Dupont Wharf
Click for Map
Thu -- 12:58 AM PDT     12.98 feet High Tide
Thu -- 01:42 AM PDT     Moonrise
Thu -- 06:10 AM PDT     Sunrise
Thu -- 08:31 AM PDT     -0.60 feet Low Tide
Thu -- 03:47 PM PDT     12.11 feet High Tide
Thu -- 05:12 PM PDT     Moonset
Thu -- 08:17 PM PDT     Sunset
Thu -- 08:51 PM PDT     6.86 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
12.41312.410.98.763.20.9-0.4-0.40.835.88.610.711.812.111.410.18.57.26.97.58.9

Tide / Current Tables for Nisqually Reach, Washington Current
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Nisqually Reach
Click for Map
Thu -- 01:02 AM PDT     -0.01 knots Slack
Thu -- 01:42 AM PDT     Moonrise
Thu -- 05:12 AM PDT     -1.41 knots Max Ebb
Thu -- 06:10 AM PDT     Sunrise
Thu -- 08:58 AM PDT     0.01 knots Slack
Thu -- 11:56 AM PDT     1.15 knots Max Flood
Thu -- 03:36 PM PDT     -0.00 knots Slack
Thu -- 05:12 PM PDT     Moonset
Thu -- 06:51 PM PDT     -0.64 knots Max Ebb
Thu -- 08:17 PM PDT     Sunset
Thu -- 09:33 PM PDT     0.00 knots Slack
Thu -- 11:55 PM PDT     0.64 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.40-0.5-0.9-1.3-1.4-1.3-1.1-0.600.611.110.70.3-0.2-0.5-0.6-0.6-0.6-0.30.20.5

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Seattle, WA (13,3,4,5)
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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.