Saturday, May27, 2017 L-36.com


Marine Weather and Tides
Carbonado, WA

Version 3.4
What's New / NOTES
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 5:17AMSunset 8:54PM Saturday May 27, 2017 4:47 AM PDT (11:47 UTC) Moonrise 6:27AMMoonset 10:01PM Illumination 4% Phase: Waxing Crescent; Moon at 2 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- 259 Am Pdt Sat May 27 2017
Today..N wind 10 kt or less. Wind waves 1 ft or less.
Tonight and Sun..N wind 5 to 15 kt. Wind waves 2 ft or less.
Sun night..N wind 5 to 15 kt becoming variable. Wind waves 2 ft or less.
Mon..SW wind 10 kt or less becoming nw. Wind waves 1 ft or less.
Mon night..NW wind 5 to 15 kt becoming s. Wind waves 2 ft or less.
Tue..SW wind 5 to 15 kt. Wind waves 2 ft or less.
Wed..S wind 10 to 20 kt. Wind waves 3 ft or less.
PZZ100 259 Am Pdt Sat May 27 2017
Synopsis for the northern and central washington coastal and inland waters..Higher pres offshore with lower pres inland will result in weak onshore flow today. The flow will become nearly flat or neutral tonight before becoming onshore again Sunday afternoon. Strengthening high pres offshore along with lowering pres E of the cascades will result in stronger onshore flow Mon and Tue.

7 Day Forecast for Marine Location Near Carbonado, WA
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location: 47.04, -122.07     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 271056
afdsew
area forecast discussion
national weather service seattle wa
355 am pdt Sat may 27 2017

Synopsis A strong upper level ridge will remain over the
pacific northwest through the memorial day weekend, with sunny
skies and afternoon high temperatures well above normal.

Increasing onshore flow will finally cool temperatures starting
Monday night and Tuesday. Moist south flow aloft could bring a
few showers to the area from Tuesday onward.

Short term Satellite imagery shows upper level ridge over
western washington with the ridge axis still offshore. Fog stratus
imagery shows low cloud along the central coast with a little bit
of inland expansion to just east of grays harbor. Temperatures at
10z 3am ranged from the upper 40s to near 60.

Upper level ridge remaining over the area today and Sunday with
the upper level ridge axis moving through the area late tonight
into Sunday. Surface gradients never turn offshore even with the
ridge axis right over the top of the area. Model 850 mb
temperatures warming today from around plus 12c to plus 14 to 16c
this afternoon. 850 mb temperatures warming up slightly on Sunday
in the plus 15 to 18c range. The warming aloft will result in
about 5 degrees of warming today putting highs in the mid 70s to
upper 80s with the warmest locations being over the southwest
interior and coolest locations near the water with the afternoon
northwesterlies cutting high temperatures down in the 70s. Little
change in the highs for the interior on Sunday... Maybe a couple
of degrees warmer than today. With the ridge axis to the east
there will be some light onshore flow along the coast in the
afternoon which will cool high temperatures there back down in the
upper 60s to mid 70s. Lows tonight will mostly be in the upper
40s and 50s.

Upper level ridge remaining east of the area on Monday but with
little eastward movement. Low level onshore flow increasing Monday
afternoon. This will cool down the coast even more and knock a
couple of degrees off the highs in interior versus Sunday's
readings. Highs on the coast memorial day in the 60s with 70s and
lower 80s for the interior.

Long term There is a general consensus in the extended models
that the upper level ridge will shift east and an upper level
trough will develop off the coast on Tuesday. The airmass will
become somewhat unstable with the moist southerly flow aloft.

Models differ on the strength of the onshore flow on Tuesday with
the weaker GFS only showing 5 degrees or so of cooling versus
Monday while the ECMWF is stronger with the onshore flow. Have
leaned the forecast toward the better verifying ECMWF with highs
back down into the 60s for the interior. Timing the individual
features spinning out of the trough at this point will be tough.

Have increased the pops a little bit into the chance category from
slight chance Tuesday evening for the entire area with both
models indicating a chance of convection. Upper level trough
remaining in the vicinity through Thursday keeping a chance of
showers in the forecast. Current forecast has drying around day 7
but the new model runs now have a chance of showers for next
Friday. Would like to see a couple more model runs with this
solution before adding showers to the forecast for next Friday.

Felton

Aviation A ridge of high pres will remain over the region for
light and variable flow aloft. Areas of lifr CIGS and vsbys over
the coast are expected to dissipate by 1800 utc.

Ksea...VFR with light northerly winds.

Marine
Higher pressure offshore with lower pressure inland will result in
weak onshore flow today. The flow will become nearly flat or neutral
tonight before becoming onshore again Sunday afternoon.

Strengthening high pressure offshore along with lowering pressure
east of the cascades will result in stronger onshore flow Monday
and Tuesday. This will lead to the likelihood of gale force winds
over parts of the strait of juan de fuca Monday night. Stronger
flow off the pacific along with a 15-20 degree temperature
difference between the wa coastal beaches and the interior wa
lowlands Monday afternoon will only increase the potential for gale
force winds over the strait of juan de fuca.

Climate Friday was the 10th dry day in a row for seattle. Dry
weather is forecast through the holiday weekend. The last time
seattle had 13 dry days in a row in may was may 19th through the
31st, 1995. Felton

Sew watches warnings advisories
Wa... None.

Pz... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCNW1 - 9446484 - Tacoma, WA 24 mi48 min 58°F 51°F1017.5 hPa (+0.7)
TCMW1 - 9446482 - Tacoma Met, WA 25 mi48 min NNW 2.9 G 2.9
46121 39 mi1413 min 3.9 55°F 1016.6 hPa50°F
EBSW1 - 9447130 - Seattle, WA 41 mi48 min SE 1 G 1.9 55°F 51°F1017.4 hPa (+0.7)
WPOW1 - West Point, WA 47 mi48 min NNE 6 G 7 54°F 1017.5 hPa (+0.8)51°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pierce County-Thun Field, WA12 mi53 minN 010.00 mi50°F50°F100%1017.6 hPa
Tacoma / McChord Air Force Base, WA23 mi50 minN 010.00 miFair47°F46°F99%1017.5 hPa

Wind History from PLU (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalm53CalmCalmCalmCalm4W33CalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmCalmCalmCalmCalmCalmCalmCalm4
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4W33W64CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmCalmSW5SW5
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Tide / Current Tables for Tacoma, Commencement Bay, Sitcum Waterway, Puget Sound, Washington (sub)
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Tacoma
Click for Map
Sat -- 12:38 AM PDT     5.93 feet Low Tide
Sat -- 05:20 AM PDT     Sunrise
Sat -- 05:48 AM PDT     11.99 feet High Tide
Sat -- 07:28 AM PDT     Moonrise
Sat -- 12:46 PM PDT     -3.45 feet Low Tide
Sat -- 08:02 PM PDT     12.81 feet High Tide
Sat -- 08:53 PM PDT     Sunset
Sat -- 11:03 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.266.98.510.311.61211.1962.6-0.6-2.9-3.4-2.10.74.17.610.512.212.812.411.19.3

Tide / Current Tables for Tacoma, Commencement Bay, Washington
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Tacoma
Click for Map
Sat -- 12:39 AM PDT     5.95 feet Low Tide
Sat -- 05:20 AM PDT     Sunrise
Sat -- 05:45 AM PDT     11.92 feet High Tide
Sat -- 07:29 AM PDT     Moonrise
Sat -- 12:53 PM PDT     -3.28 feet Low Tide
Sat -- 08:10 PM PDT     13.00 feet High Tide
Sat -- 08:53 PM PDT     Sunset
Sat -- 11:03 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.266.98.510.311.611.9118.962.7-0.4-2.6-3.3-2.20.23.67.110.112.21312.611.39.4

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.