Wednesday, May23, 2018 L-36.com


Marine Weather and Tides
Normandy Park, WA

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 5:20AMSunset 8:51PM Wednesday May 23, 2018 3:12 PM PDT (22:12 UTC) Moonrise 1:27PMMoonset 2:00AM Illumination 66% Phase: Waxing Gibbous; Moon at 9 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- 236 Pm Pdt Wed May 23 2018
Tonight..NW wind 5 to 15 kt in the north part. SW wind 5 to 15 kt in the south part. Wind waves 2 ft or less.
Thu..SW wind to 10 kt. Wind waves 1 ft or less.
Thu night..NW wind to 10 kt becoming se after midnight. Wind waves 1 ft or less.
Fri..S wind to 10 kt. Wind waves 1 ft or less.
Fri night..NW wind to 10 kt becoming se after midnight. Wind waves 1 ft or less.
Sat..Variable wind to 10 kt in the morning becoming light. Wind waves 1 ft or less in the morning becoming less than 1 ft.
Sat night..NW wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Sun..Light wind becoming N to 10 kt. Wind waves less than 1 ft becoming 1 ft or less.
Mon..N wind to 10 kt becoming ne. Wind waves 2 ft or less.
PZZ100 236 Pm Pdt Wed May 23 2018
Synopsis for the northern and central washington coastal and inland waters..Strong onshore flow will result in westerly gales in the central and eastern strait of juan de fuca this evening. High pres will remain offshore Thursday through Sunday, with lower pres east of the cascades, for continuing onshore flow through the period.

7 Day Forecast for Marine Location Near Normandy Park, WA
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location: 47.4, -122.35     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 232120
afdsew
area forecast discussion
national weather service seattle wa
220 pm pdt Wed may 23 2018

Synopsis Onshore flow will prevail for the next week for morning
clouds and at least partial afternoon sunshine most days. A weak
upper disturbance will bring a chance of showers and thunderstorms
to the cascades this evening.

Short term There will be a threat of thunderstorms over the
cascades early this evening, mainly near the crest. A weak upper
ridge will move over the area tonight and Thursday which will
stabilize the air. This should end the shower and thunderstorm
threat. Low level onshore flow will be stronger tonight which
should allow clouds to spread into the interior and then burn
partially back to the coast later Thursday. Highs will cool a few
degrees Thursday but they will still be a little above normal.

A dry upper trough will move over the area on Friday. Low level
onshore flow will continue for another day of morning clouds and
some afternoon sunshine. Highs will cool a few more degrees and be
close to normal. The upper trough will shift inland with weak high
pressure aloft moving over the area on Saturday. Low level onshore
flow will continue and it should be a day similar to Friday.

Schneider

Long term A weak upper ridge over the area this weekend will
give way to an upper trough next Tuesday and Wednesday. Low level
onshore flow will continue. The ECMWF shows a dying front
reaching the area later Monday with spotty light rain and then a
few showers Tuesday and Wednesday. The GFS and gem are essentially
dry through the period. The forecast leans toward the dryer
solutions for now which also matches neighboring offices.

Temperatures should be seasonable through the period. Schneider

Aviation Coastal marine stratus will spread inland overnight--
probably reaching the i-5 corridor around midnight. There are a few
showers and thunderstorms near the cascade crest this afternoon,
those will dissipate later this evening. A few towering CU over the
olympics will also dissipate this evening. After morning clouds,
there should be some afternoon sunshine on Thursday.

Ksea... The low clouds ought to get in here by midnight. The wind
this evening could be variable for awhile, but by late evening a ssw
wind is a good bet as the marine air pushes in.

Marine Strong onshore flow this evening with gale force west
winds likely in the central and eastern strait of juan de fuca. A
gale warning is in effect for that, with small craft advisories in
effect for the adjacent waters of admiralty inlet and the northern
inland waters.

High pressure will remain offshore Thursday through Sunday, with
lower pressure east of the cascades, for continuing onshore flow
through the period. Solid small craft advisory winds are likely in
the central and eastern strait during the diurnal peak each late
afternoon through early morning. Gales are possible, especially
Friday afternoon and evening.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until 3 pm pdt this afternoon for central
u.S. Waters strait of juan de fuca-east entrance u.S.

Waters strait of juan de fuca.

Gale warning until 3 am pdt Thursday for central u.S. Waters
strait of juan de fuca-east entrance u.S. Waters strait of
juan de fuca.

Small craft advisory until 3 am pdt Thursday for northern inland
waters including the san juan islands.

Small craft advisory until midnight pdt tonight for admiralty
inlet.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 9 mi43 min NNW 5.1 G 5.1
TCNW1 - 9446484 - Tacoma, WA 10 mi43 min 76°F 51°F1008.8 hPa
EBSW1 - 9447130 - Seattle, WA 14 mi43 min WNW 2.9 G 4.1 67°F 51°F1008.8 hPa
WPOW1 - West Point, WA 19 mi73 min NE 6 G 6 62°F 1008.9 hPa (-1.1)57°F
46121 22 mi34 min 69°F 1008.5 hPa56°F
46120 25 mi42 min SE 12 59°F 1008.1 hPa56°F
46125 38 mi38 min 7.8 54°F 1008.5 hPa52°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Seattle, Seattle-Tacoma International Airport, WA3 mi20 minVar 610.00 miA Few Clouds77°F52°F42%1009.1 hPa
Boeing Field - King County International Airport, WA9 mi20 minVar 510.00 miFair79°F48°F34%1008 hPa
Renton Municipal Airport, WA10 mi20 minNNW 510.00 miFair79°F48°F35%1008.3 hPa
Tacoma, Tacoma Narrows Airport, WA15 mi20 minVar 510.00 miFair75°F51°F43%1008.5 hPa
Tacoma / McChord Air Force Base, WA18 mi15 minNW 610.00 miFair78°F57°F50%1008.7 hPa
Pierce County-Thun Field, WA21 mi38 minW 310.00 miFair79°F57°F48%1008.8 hPa
Bremerton, Bremerton National Airport, WA23 mi17 minVar 610.00 miFair78°F55°F47%1009.9 hPa

Wind History from SEA (wind in knots)
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Last 24hrN9N8N8NW8N7N7N7N10N9N10N12NW6NW4N5NE4CalmW4W3SW6SW5W7W8W76
1 day agoW7N7W8NW8NW7NW6N7N7CalmCalmN10N9N7N5N6N6N5N63NW6W8W9W10W8
2 days agoS6W5S7NW7N8N5N7N7N7N7N6N6N6N6N5NE5N5NE4SE4Calm--W7NW8W7

Tide / Current Tables for Des Moines, Washington
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Des Moines
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Wed -- 01:00 AM PDT     12.36 feet High Tide
Wed -- 03:00 AM PDT     Moonset
Wed -- 05:23 AM PDT     Sunrise
Wed -- 07:38 AM PDT     4.12 feet Low Tide
Wed -- 12:49 PM PDT     8.13 feet High Tide
Wed -- 02:26 PM PDT     Moonrise
Wed -- 06:51 PM PDT     2.13 feet Low Tide
Wed -- 08:49 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
11.912.411.910.68.86.75.14.34.24.85.877.98.17.76.75.23.62.52.12.84.26.38.6

Tide / Current Tables for Skagit Bay, 1 mile S of Goat Island, Washington Current
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Skagit Bay
Click for Map
Wed -- 01:02 AM PDT     -1.34 knots Max Ebb
Wed -- 03:01 AM PDT     Moonset
Wed -- 04:48 AM PDT     0.00 knots Slack
Wed -- 05:24 AM PDT     Sunrise
Wed -- 06:51 AM PDT     1.33 knots Max Flood
Wed -- 10:37 AM PDT     -0.00 knots Slack
Wed -- 01:15 PM PDT     -1.19 knots Max Ebb
Wed -- 02:27 PM PDT     Moonrise
Wed -- 04:19 PM PDT     0.01 knots Slack
Wed -- 07:08 PM PDT     1.68 knots Max Flood
Wed -- 08:49 PM PDT     Sunset
Wed -- 11:11 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.2-1.3-1.3-1.1-0.80.41.21.31.210.6-0.6-1-1.2-1.1-0.9-0.50.91.51.71.61.41.10.4

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 (18,4,5,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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.