Sunday, August20, 2017 L-36.com


Marine Weather and Tides
Woodinville, 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 8:12PM Sunday August 20, 2017 4:41 AM PDT (11:41 UTC) Moonrise 3:50AMMoonset 6:43PM Illumination 3% Phase: Waning Crescent; Moon at 28 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- 249 Am Pdt Sun Aug 20 2017
Today..N wind to 10 kt. Wind waves 1 ft or less.
Tonight..NE wind to 10 kt. Wind waves 1 ft or less.
Mon..N wind to 10 kt. Wind waves 1 ft or less.
Mon night..N wind to 10 kt. Wind waves 1 ft or less.
Tue..Light wind becoming nw to 10 kt in the afternoon. Wind waves 1 ft or less.
Tue night..N wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Wed..Light wind becoming N to 10 kt. Wind waves less than 1 ft becoming 1 ft or less.
Thu..SE wind to 10 kt becoming nw. Wind waves 1 ft or less.
PZZ100 249 Am Pdt Sun Aug 20 2017
Synopsis for the northern and central washington coastal and inland waters..A typical august pattern will prevail through the middle of next week. Expect onshore flow of varying strength to persist due to high pres offshore and lower pres east of the cascades. A weak system will approach the coastal waters on Wednesday and move inland Thursday.

7 Day Forecast for Marine Location Near Woodinville, WA
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location: 47.75, -122.17     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 201059
afdsew
area forecast discussion
national weather service seattle wa
330 am pdt Sun aug 20 2017

Synopsis A system passing to the north of washington will bring a
few high clouds and patchy morning stratus to the coast. High
pressure will build over the region Monday and Tuesday with warmer
temperatures. An upper trough will bring a chance of showers and
cooler temperatures late Wednesday and Thursday. Dry and warmer
weather returns Friday through the weekend.

Short term A weak system passing through british columbia today
will bring a few high clouds. Light onshore flow will also result in
some patchy morning stratus, mainly along the north coast. Mostly
sunny skies will prevail by the afternoon along with warmer high
temperatures. The dry weather pattern will also continue as high
pressure builds offshore today and moves over the region Monday and
Tuesday. Light flow and rising 500 mb heights will result in warmer
temperatures Monday and Tuesday, reaching the lower 80s across
greater puget sound.

The cloud cover forecast remains generally favorable for eclipse
viewing Monday morning. However, models continue to show the highest
chance for morning low stratus near the immediate coast of
washington. Also, the uw WRF indicates some patchy low clouds will
be possible from the lower chehalis valley to some spotty areas
around the southwest interior. Some patchy fog may also be possible
over the waters of puget sound but very little of this should extend
to the land areas. Any clouds or fog that do develop will likely
begin dissipating around mid morning (9am), and the vast majority of
the area will have clear viewing.

Long term A trough will approach the region on Wednesday. 500 mb
heights will fall and onshore flow will start to increase. Expect
high temperatures to cool off several degrees with a spotty light
showers by afternoon, mainly near the coast and mountains. Models
bring the main 500 mb trough axis across the area Thursday with the
best chance of showers at that time. Orographics should produce
light measurable rainfall or showers along west facing slopes of the
cascades and olympics. Measurable rain will be more hit and miss
across the lowlands and amounts will generally be under a tenth of
an inch.

High pressure builds Friday through the weekend. Dry weather returns
along with a gradual warming trend. Highs will reach the low 80s by
Saturday and possibly the mid 80s by Sunday. Mercer

Aviation Northwest flow aloft over western washington through
tonight with upper level ridge offshore moving to the coast Monday
morning. At the surface, onshore flow will continue with high
pressure offshore and lower pressure east of the cascades.

Shallow marine layer along the coast with the stratus moving down
through the strait of juan de fuca early this morning. Ceilings with
the stratus near 1000 feet. The stratus will burn off this morning.

Just some high clouds over the rest of the area through tonight.

Ksea... Just some high clouds at times through tonight. North
northeast wind 5 to 10 kt backing to northwest again midday. Felton

Marine A typical august pattern will prevail through the
middle of the week. Expect onshore flow of varying strength to
persist due to high pressure offshore and lower pressure east of the
cascades. A weak system will approach the coastal waters on
Wednesday and move inland Thursday. Small craft advisory west winds
are likely in the central and eastern strait of juan de fuca in the
evening and early morning hours each night. Felton

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory from 6 pm this evening to 5 am pdt Monday
for central u.S. Waters strait of juan de fuca-east entrance
u.S. Waters strait of juan de fuca.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46120 12 mi32 min ESE 1.9 55°F 1020.6 hPa51°F
EBSW1 - 9447130 - Seattle, WA 14 mi41 min SSW 1.9 G 1.9 59°F 56°F1021.5 hPa (-0.4)
WPOW1 - West Point, WA 15 mi41 min NNE 4.1 G 4.1 56°F 1021.7 hPa (-0.4)51°F
TCMW1 - 9446482 - Tacoma Met, WA 35 mi41 min WNW 2.9 G 4.1
TCNW1 - 9446484 - Tacoma, WA 36 mi41 min 61°F 54°F1021.5 hPa (+0.0)
PTWW1 - 9444900 - Port Townsend, WA 40 mi41 min S 4.1 G 7 55°F 53°F1022.2 hPa (-0.3)
46121 44 mi36 min 3.9 58°F 1020.3 hPa52°F

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA12 mi48 minN 010.00 miFair54°F50°F87%1021.7 hPa
Boeing Field - King County International Airport, WA17 mi48 minN 410.00 miFair59°F52°F78%1021.2 hPa
Renton Municipal Airport, WA17 mi48 minNW 99.00 miFair60°F51°F72%1021.6 hPa
Seattle, Seattle-Tacoma International Airport, WA23 mi48 minN 810.00 miPartly Cloudy57°F48°F74%1021.7 hPa

Wind History from PAE (wind in knots)
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Last 24hrNW6NW5NW5CalmNW43W6W5SW465N7NW766NW6N8N10NW8
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1 day agoN3NE3N3NW3Calm4S5SW6S7SW11SW7SW7NW9
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2 days ago5NW4NW4N4N3NW3Calm3SW7SW7SW75NW8NW10
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Tide / Current Tables for Meadowdale, Washington
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Meadowdale
Click for Map
Sun -- 03:42 AM PDT     4.49 meters High Tide
Sun -- 04:50 AM PDT     Moonrise
Sun -- 06:11 AM PDT     Sunrise
Sun -- 10:27 AM PDT     0.67 meters Low Tide
Sun -- 05:41 PM PDT     4.69 meters High Tide
Sun -- 07:43 PM PDT     Moonset
Sun -- 08:12 PM PDT     Sunset
Sun -- 11:13 PM PDT     2.69 meters Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.23.64.14.44.54.23.62.921.20.70.71.21.92.83.64.34.64.74.54.13.532.7

Tide / Current Tables for President Point, 1.5 mile E of, Washington Current
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President Point
Click for MapFlood direction 203 true
Ebb direction 24 true

Sun -- 12:55 AM PDT     0.23 knots Max Flood
Sun -- 03:34 AM PDT     -0.00 knots Slack
Sun -- 04:50 AM PDT     Moonrise
Sun -- 06:12 AM PDT     Sunrise
Sun -- 07:02 AM PDT     -0.75 knots Max Ebb
Sun -- 11:22 AM PDT     0.01 knots Slack
Sun -- 01:51 PM PDT     0.60 knots Max Flood
Sun -- 05:46 PM PDT     -0.01 knots Slack
Sun -- 07:43 PM PDT     Moonset
Sun -- 08:09 PM PDT     -0.52 knots Max Ebb
Sun -- 08:12 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10.20.20.1-0.1-0.4-0.6-0.7-0.7-0.6-0.4-0.10.20.50.60.50.40.2-0.1-0.4-0.5-0.5-0.4-0.2

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 (7,2,3,4)
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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 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.