Saturday, July22, 2017 L-36.com


Marine Weather and Tides
Longbranch, 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 5:38AMSunset 8:57PM Saturday July 22, 2017 3:54 AM PDT (10:54 UTC) Moonrise 3:56AMMoonset 7:24PM Illumination 2% 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- 230 Am Pdt Sat Jul 22 2017
Today..SW wind 5 to 15 kt. Wind waves 2 ft or less. A slight chance of rain.
Tonight..N wind 10 to 20 kt becoming ne 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Sun..N wind 5 to 15 kt. Wind waves 2 ft or less.
Sun night..N wind 5 to 15 kt becoming ne after midnight. Wind waves 2 ft or less.
Mon..N wind 5 to 15 kt. Wind waves 2 ft or less.
Mon night..N wind to 10 kt becoming ne after midnight. Wind waves 1 ft or less.
Tue..S wind to 10 kt becoming sw. Wind waves 1 ft or less.
Wed..S wind to 10 kt becoming nw. Wind waves 1 ft or less.
PZZ100 230 Am Pdt Sat Jul 22 2017
Synopsis for the northern and central washington coastal and inland waters..A weak front moving into british columbia will dissipate today. Onshore flow will develop across western washington this afternoon as high pres builds offshore and lower pres continues east of the cascades. Onshore flow will continue Sunday and Monday, then strengthen Tuesday with westerly gales possible in the strait of juan de fuca.

7 Day Forecast for Marine Location Near Longbranch, WA
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location: 47.17, -122.87     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 221018
afdsew
area forecast discussion
national weather service seattle wa
320 am pdt Sat jul 22 2017

Synopsis An upper level trough and weak warm front will brush
western washington today bringing clouds to much of the area and a
chance of light rain to the coast and north part. Dry conditions and
diminishing cloud cover are expected late tonight and Sunday.

Onshore flow will return for dry and mild weather through most of
next week.

Short term An upper level low off the coast of northern bc will
gradually push eastward today and as it does so... Associated
moisture with the system may allow for some precip over portions of
the area. Precip currently looks to be confined to mostly the coast
and the northwestern fourth of the olympic peninsula... But whatcom
and the northern half of skagit counties may see a chance for precip
as well. For the remaining points south and east... Including the
seattle metro area... Lawns look to remain parched for now. With no
precip recorded at sea-tac Friday... 2017 has entered into the top 10
when it comes to the number of consecutive days without measurable
precip... Entering into a three way tie with stretches in 1945 and
1979. Another dry day today would climb us further up the ladder to
the number 9 spot... Tying with a stretch in 2013 that ran from june
28th to august 1st.

The outlook for the short term should see the current dry streak
claw its way further up the charts. By the time the aforementioned
low makes its way onto the canadian coast... Any moisture associated
with it moves northward out of the area leaving dry zonal flow in its
wake for Sunday. Upper level ridging building over the pacific will
help to ensure continued dry conditions into the start of the new
week.

High temps today and Sunday look to be within a few degrees of one
another... Keeping the coast in the upper 60s to right around 70
while the interior lowlands will find themselves in the upper 70s to
right around 80. W wa will start to feel the impact of the pacific
ridge starting Monday as temps climb up a few degrees as the onshore
flow weakens somewhat. Smr

Long term A split in the flow Tuesday will allow for upper level
ridging to the the main weather feature for W wa while an upper
level low spins up off the ca coast... Allowing for the prospect for
precip to climb into or. Current models look to be in agreement that
nothing associated with this low will make it as far north as
wa... But given its proximity this may be a feature to keep an eye on
in future runs. The upper ridge pushes east Wed with an upper trough
expected over the area for thu. Models in agreement that this
troughiness will linger into the weekend... But not much in the way
of precip expected for the area. This level of activity for the
second half of the upcoming week will allow for temps to fall a few
degrees allowing for more mild summer weather over W wa. Smr

Aviation Westerly flow aloft early this morning will continue
through tonight, as a flat upper ridge builds over the pacific
northwest. A weak front moving into british columbia early this
morning will dissipate during the day. At the surface, high
pressure will build off the coast today for a return to onshore
flow across western washington. The air mass will be somewhat
moist at mid and high levels today, then become moist at low
levels tonight.

Clouds associated with the weak front to the north are keeping
skies bkn-ovc with bases mostly 7000-9,000 ft. The cloud bases
should lower to 5000-8000 ft today. Moist low level onshore flow
tonight should eventually bring widespread MVFR conditions late
tonight with ceilings mainly 1100-2000 ft.

Ksea... The ceiling will probably be 6000-7000 ft most of
today, then lower to around 1300-1600 ft late tonight in moist
onshore flow. Southerly wind 4-8 kt should gradually veer to
southwest this morning, northwest this afternoon and evening, and
northerly tonight. Mcdonnal

Marine A weak front moving into british columbia this morning
will dissipate today. Onshore flow will develop across western
washington this afternoon as high pressure builds offshore and
lower pressure continues east of the cascades. Small craft
advisory westerlies are likely in the central and eastern strait
of juan de fuca tonight.

Onshore flow will continue Sunday and Monday, with small craft
advisory northwest winds at times over the coastal waters. Onshore
flow should strengthen further on Tuesday, and westerly gales are
possible in the strait of juan de fuca. Mcdonnal

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until 5 am pdt Saturday for coastal waters
from CAPE flattery to james island 10 to 60 nm-coastal
waters from CAPE flattery to james island out 10 nm-coastal
waters from james island to point grenville 10 to 60 nm-
coastal waters from james island to point grenville out 10
nm.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46121 11 mi107 min 5.8 66°F 1019.9 hPa52°F
TCNW1 - 9446484 - Tacoma, WA 25 mi54 min 66°F 55°F1021.1 hPa (+0.0)
TCMW1 - 9446482 - Tacoma Met, WA 25 mi54 min S 4.1 G 6
WPOW1 - West Point, WA 41 mi54 min S 8.9 G 11 58°F 1020.8 hPa (+0.0)54°F
EBSW1 - 9447130 - Seattle, WA 41 mi54 min SE 5.1 G 7 67°F 55°F1020.8 hPa (-0.3)

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Olympia, Olympia Airport, WA13 mi60 minS 410.00 miOvercast62°F55°F78%1021.1 hPa
Shelton, Shelton Sanderson Field, WA15 mi61 minSW 510.00 miOvercast63°F54°F73%1020.3 hPa
Fort Lewis / Gray U. S. Army Airfield, WA16 mi56 minSE 310.00 miOvercast63°F56°F81%1021.2 hPa
Tacoma, Tacoma Narrows Airport, WA17 mi61 minS 510.00 miOvercast62°F53°F73%1021.2 hPa
Tacoma / McChord Air Force Base, WA21 mi56 minN 010.00 miMostly Cloudy61°F56°F85%1021.6 hPa
Bremerton, Bremerton National Airport, WA22 mi58 minSSW 410.00 miOvercast63°F52°F68%1022.2 hPa

Wind History from OLM (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmSW4CalmW4SW9S4S8NW6W85W7W6CalmN5CalmSW3CalmSE3S4
1 day agoS6SW8S6S7S8S7S9S8S10SW9W8SW11W7SW9NW6W9W8CalmCalmSE3CalmCalmCalmCalm
2 days agoS4S4S3S4SW55Calm4W454S8SW75W10W8SW7SW5S7SW6SW7SW6SW6S4

Tide / Current Tables for Henderson Inlet, Washington
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Henderson Inlet
Click for Map
Sat -- 04:10 AM PDT     14.12 feet High Tide
Sat -- 04:55 AM PDT     Moonrise
Sat -- 05:38 AM PDT     Sunrise
Sat -- 11:39 AM PDT     -3.00 feet Low Tide
Sat -- 06:50 PM PDT     14.81 feet High Tide
Sat -- 08:23 PM PDT     Moonset
Sat -- 08:56 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
7.48.91113.114.113.712.19.56.12.5-0.7-2.6-2.9-1.31.75.69.512.614.314.813.9129.77.7

Tide / Current Tables for Dana Passage, Washington Current
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Dana Passage
Click for Map
Sat -- 01:39 AM PDT     1.26 knots Max Flood
Sat -- 04:13 AM PDT     -0.01 knots Slack
Sat -- 04:55 AM PDT     Moonrise
Sat -- 05:38 AM PDT     Sunrise
Sat -- 07:54 AM PDT     -3.66 knots Max Ebb
Sat -- 11:57 AM PDT     0.00 knots Slack
Sat -- 02:39 PM PDT     2.60 knots Max Flood
Sat -- 06:39 PM PDT     -0.01 knots Slack
Sat -- 08:23 PM PDT     Moonset
Sat -- 08:56 PM PDT     Sunset
Sat -- 09:26 PM PDT     -2.05 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.31.11.20.80.2-1.1-2.4-3.4-3.7-3.4-2.7-1.50.11.52.42.62.21.50.6-0.5-1.5-2-2-1.6

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 (6,6,7,8)
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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.