Saturday, August19, 2017 L-36.com


Marine Weather and Tides
Gorst, 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 6:10AMSunset 8:17PM Friday August 18, 2017 10:41 PM PDT (05:41 UTC) Moonrise 1:38AMMoonset 5:12PM Illumination 10% Phase: Waning Crescent; Moon at 27 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- 900 Pm Pdt Fri Aug 18 2017
Tonight..NW wind 5 to 15 kt becoming ne after midnight. Wind waves 2 ft or less.
Sat..Light wind becoming N to 10 kt in the afternoon. Wind waves 1 ft or less.
Sat night..N wind to 10 kt becoming ne after midnight. Wind waves 1 ft or less.
Sun..N wind to 10 kt. Wind waves 1 ft or less.
Sun night..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..NW wind to 10 kt becoming variable. Wind waves 1 ft or less.
Wed..Light wind becoming N to 10 kt. Wind waves 1 ft or less.
PZZ100 900 Pm Pdt Fri Aug 18 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.

7 Day Forecast for Marine Location Near Gorst, WA
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location: 47.47, -122.7     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 190416
afdsew
area forecast discussion
national weather service seattle wa
915 pm pdt Fri aug 18 2017

Synopsis A few light showers were falling around western
washington this evening. Clouds will decrease on Saturday. Another
weak system will move by to the north of the area on Sunday. High
pressure at the surface and aloft will give dry and warmer weather
to the area Monday and Tuesday. Another weak system will move across
mainly the northern portions of the area later Wednesday through
Thursday night.

Short term Onshore flow will continue as a weak system moves by
to the north of the area and higher pressure builds in from the
west. A few light showers were falling here and there around the
puget sound area. Ridging offshore will deflect another weakening
frontal system to the north of the area Sunday. Some light showers
could fall on the northwestern olympic peninsula but mainly there
will be more clouds in the north and on the coast. Sunday high
temperatures will likely be near or slightly higher than Saturday.

Ridging aloft will build offshore Sunday night and will move east
across the area later Monday and Monday night. The ridging will
result in clearing late Sunday night into Monday morning and a
warming trend. With the ridging and warming aloft, highs on Monday
may reach 80 in the interior from seattle southward. On Tuesday, we
will see the offshore ridge shift eastward into western montana by
late in the afternoon. The eastward movement of the upper ridge will
induce an increase in onshore flow, so it will be cooler on the
coast.

Long term The ECMWF is showing better run to run consistency
than the gfs, and the latest GFS solutions are trending toward the
ecmwf.

The extended period will feature the transit of an upper
level low or trough to the north of the area during the latter
half of next week. This will result in an increase in onshore flow
and clouds and will give cooler daytime high temperatures. Even
the weaker ECMWF shows a possibility of showers across the area
later Wednesday through Thursday night, so they were included in
today's extended forecast. The GFS appears to be backing away from
its solution of a deep upper low moving across the region mid to
late week.

Some ridging is possible beginning next Friday or Saturday, for
dry and warmer weather. The GFS is more extreme with the ridging;
a model blend about 2 3 toward the ECMWF was used for the forecast
fields for next Friday and beyond. Albrecht

Aviation West to northwest flow aloft over western washington
will continue tonight and Saturday, as the upper trough over
british columbia moves east and an upper ridge builds offshore.

Surface high pressure remains offshore with lower pressure east of
the cascades, and moderately strong onshore flow will prevail.

Ceilings below 1000 feet this evening along the coast. Over the
interior scattered to broken layer near 3500 feet with a broken
cloud layer near 6000 feet. Little change for the next few hours.

Low level onshore flow combined with some convergence will lower
ceilings in the central puget sound area down to 1000-2000 feet
after 11z Saturday morning. Ceilings will improve all areas
Saturday afternoon.

Ksea... Ceilings near 6000 feet with scattered layer near 4000
feet going broken at times through early Saturday morning. Lower
stratus moving into the terminal around 11z with ceilings
lowering down to near 1000 feet. Ceilings improving late morning
with clouds scattering out by noon. Northerly wind 6 to 10 knots.

Felton

Marine Kuil-kbli gradient near plus 3 mb this evening. Winds
have not hit gale yet in the central and eastern strait of juan de
fuca but with the gradient this high will keep the gales going
into the early morning hours. Small craft advisories for
admiralty inlet and the northern inland waters will also remain
in effect.

After tonight, a typical august pattern will prevail through the
middle of next week; onshore flow of varying strength will persist
due to high pressure offshore and lower pressure east of the
cascades. Small craft advisory westerlies are possible in the
central and eastern strait of juan de fuca in the evening and
early morning hours beginning Saturday evening and continuing into
the middle of next week. Felton

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until noon pdt Saturday for coastal waters
from CAPE flattery to james island 10 to 60 nm-coastal
waters from james island to point grenville 10 to 60 nm-
coastal waters from point grenville to CAPE shoalwater 10
to 60 nm.

Gale warning until 3 am pdt Saturday 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 Saturday for admiralty inlet-
northern inland waters including the san juan islands.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46121 13 mi35 min 5.8 66°F 1019.5 hPa58°F
WPOW1 - West Point, WA 19 mi42 min N 12 G 13 62°F 1020.7 hPa (+0.4)57°F
TCMW1 - 9446482 - Tacoma Met, WA 20 mi42 min Calm G 1
TCNW1 - 9446484 - Tacoma, WA 21 mi42 min 67°F 56°F1020.6 hPa (+0.7)
EBSW1 - 9447130 - Seattle, WA 21 mi42 min E 1.9 G 5.1 68°F 57°F1020.4 hPa (+0.5)
46120 26 mi39 min N 9.7 63°F 1019.8 hPa56°F
PTWW1 - 9444900 - Port Townsend, WA 44 mi42 min WSW 12 G 18 59°F 53°F1021.5 hPa (+0.7)

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bremerton, Bremerton National Airport, WA4 mi46 minENE 5 miOvercast66°F55°F70%1022.1 hPa
Tacoma, Tacoma Narrows Airport, WA15 mi49 minSW 310.00 miOvercast65°F57°F78%1020.9 hPa
Seattle, Seattle-Tacoma International Airport, WA21 mi49 minNNE 910.00 miMostly Cloudy69°F55°F63%1021.1 hPa
Boeing Field - King County International Airport, WA22 mi49 minN 410.00 miOvercast69°F60°F73%1020.2 hPa
Tacoma / McChord Air Force Base, WA24 mi44 minWSW 410.00 miOvercast67°F61°F83%1020.9 hPa

Wind History from PWT (wind in knots)
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Last 24hrCalmE4CalmSE3CalmSE3CalmSE3CalmCalmCalm3SW6S6SW7SW5434NE7NE5NE7E4E5
1 day agoS3S3CalmS4SW3SW3S3SW3CalmCalmCalmCalm4SW5CalmS6S5NW45SW7NE3NE6E4Calm
2 days agoS3CalmSE3--CalmCalmCalmCalmCalmCalmW5SW5SW3W44SW74SW4NE8NE9NE6SW6S4Calm

Tide / Current Tables for Wauna, Carr Inlet, Puget Sound, Washington
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Wauna
Click for Map
Sat -- 03:02 AM PDT     12.54 feet High Tide
Sat -- 03:43 AM PDT     Moonrise
Sat -- 06:12 AM PDT     Sunrise
Sat -- 10:14 AM PDT     -1.65 feet Low Tide
Sat -- 05:29 PM PDT     12.98 feet High Tide
Sat -- 07:01 PM PDT     Moonset
Sat -- 08:14 PM PDT     Sunset
Sat -- 11:06 PM PDT     5.78 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.11011.812.51210.58.15.12-0.5-1.6-1.20.83.779.911.912.912.911.910.18.16.45.8

Tide / Current Tables for Burrows Is - Allan Is channel, Washington Current
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Burrows Is - Allan Is channel
Click for Map
Sat -- 02:14 AM PDT     -0.00 knots Slack
Sat -- 03:42 AM PDT     Moonrise
Sat -- 06:12 AM PDT     Sunrise
Sat -- 06:17 AM PDT     -1.96 knots Max Ebb
Sat -- 09:07 AM PDT     0.00 knots Slack
Sat -- 01:30 PM PDT     3.78 knots Max Flood
Sat -- 06:04 PM PDT     -0.00 knots Slack
Sat -- 07:02 PM PDT     Moonset
Sat -- 07:40 PM PDT     -0.86 knots Max Ebb
Sat -- 08:14 PM PDT     Sunset
Sat -- 09:44 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.70.2-0.4-1-1.6-1.9-1.8-1.1-0.11.42.73.53.83.73.32.51.30.1-0.7-0.8-0.50.20.9

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 (1,6,7,8)
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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.