Thursday, September19, 2019 L-36.com


Marine Weather and Tides
Enetai, WA

Version 3.4
NOTICE
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:51AMSunset 7:16PM Thursday September 19, 2019 11:43 AM PDT (18:43 UTC) Moonrise 9:06PMMoonset 11:23AM Illumination 69% Phase: Waning Gibbous; Moon at 20 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- 848 Am Pdt Thu Sep 19 2019
Today..Light wind becoming se to 10 kt in the afternoon. Wind waves 1 ft or less. Patchy fog in the morning.
Tonight..N wind 5 to 15 kt becoming S after midnight. Wind waves 2 ft or less. A slight chance of showers.
Fri..S wind to 10 kt. Wind waves 1 ft or less. A slight chance of showers.
Fri night..S wind 5 to 15 kt becoming variable to 10 kt after midnight. Wind waves 2 ft or less.
Sat..Light wind becoming S 5 to 15 kt in the afternoon. Wind waves 2 ft or less.
Sat night..S wind 5 to 15 kt. Wind waves 2 ft or less.
Sun..S wind to 10 kt. Wind waves 1 ft or less.
Mon..SW wind to 10 kt. Wind waves 1 ft or less.
PZZ100 848 Am Pdt Thu Sep 19 2019
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will prevail through Friday with high pressure offshore and lower pressure inland. Small craft advisory strength westerlies are possible in the strait tonight and again on Friday night. A frontal system will approach the area Saturday, then move inland Sunday, turning the winds southerly.


7 Day Forecast for Marine Location Near Enetai, WA
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location: 47.56, -122.61     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 191603
afdsew
area forecast discussion
national weather service seattle wa
903 am pdt Thu sep 19 2019

Synopsis A weak upper ridge will build inland today. A weak
system will slide down the back of the ridge tonight and Friday for
a slight chance of showers. Better chances for rain are expected
Saturday night and Sunday as frontal system arrives.

Short term today through Saturday Low level stratus and patchy
fog has formed across portions of the western wa lowlands this
morning with visibility down to a mile or less in spots. The fog
is shallow and we should see improving conditions late this
morning. Otherwise, expect a mix of clouds today but dry
conditions. 33
previous discussion... A weak upper ridge will be the primary
weather feature of the day as it builds over W wa... Keeping
conditions dry and partly to mostly sunny. Models remain
persistent in showing an extremely weak feature hot on its heels
though... Dipping down into the area tonight and into Friday... But
impressive is not one of the first thousand words to describe this
feature. The ECMWF plays things a little wetter with it... But
ultimately the best moisture remains just along the border of the
pqr sew cwas. Ultimately... Pops with this feature will remain
pretty low with the most widespread impact simply being increased
cloud cover. Another round of ridging builds in for Friday night
and into Saturday but both flattens and moves eastward rather
quickly with the ridge axis east of the cascades by Saturday
afternoon. Models remain in good agreement regarding next frontal
system expected to reach the coast Saturday night.

Afternoon high temperatures will remain fairly static throughout the
short term... Ranging in the mid to upper 60s for lowland
locations. Smr

Long term Sunday through Wednesday Previous discussion... The
aforementioned frontal system will bring widespread rain to the
cwa for the bulk of Sunday before it moves east of the cascades
Sunday evening and showers taper off Sunday night. An upper level
ridge does follow closely behind but like the ridges mentioned in
the short term... Does not hang around for any prolonged amount of
time... Making a hasty exit Monday evening. The system behind that
ridge is a point of contention for the models... With the gfs
fizzling the system out pretty quickly while the ECMWF also
weakens the system as it passes through but slowly enough so that
precip with the system would still be a very real possibility.

Opted to take an average of these two solutions... Leaning maybe a
bit more toward the drier gfs. The gulf in model solutions widens
for Wednesday as the GFS has a so-weak-as- to-nearly-be-zonal-flow
ridge over W wa while the ECMWF keeps a troughier pattern
overhead. Having leaned toward the GFS for Tuesday... Opted to
follow suit for Wednesday as well. Smr

Aviation Northerly flow aloft will persist today as an upper
level ridge over the offshore waters builds into the area and an
upper level trough continues to dig into the great basin. Low
level flow will remain weakly onshore. Some moisture in the low
levels has allowed for fog development across the area during the
overnight and early morning hours. Current observations indicate
a mixed bag of ceilings across the region, with areas eitherVFR
or ifr lifr in areas with fog. Expect areas of ifr lifr to dissipate
by late this morning and giving way toVFR conditions this afternoon.

High clouds will increase this afternoon ahead of a weather system
moving into british columbia.

Ksea... Satellite imagery has indicated fog has made it into the
terminal this morning, yielding ifr lifr ceilings at times.

Expect fog to dissipate by 18-19z, yieldingVFR conditions for
the afternoon hours and into the evening. Surface winds will
remain light and variable becoming s-sw 7 knots or less from mid
morning through the afternoon. 27 14

Marine Relatively light onshore flow will prevail through
Friday with high pressure offshore and lower pressure inland.

Onshore flow will be enough for low-end small craft advisory
westerlies in the central and east strait this evening. A frontal
system will then approach from the west on Saturday and then move
through the area Saturday night into Sunday. 27 14

Hydrology The daily hydrology discussion has ended until the
start of the next rainy season; it will only be updated as needed
until then.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory from 5 pm this afternoon to 2 am pdt Friday
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
WPOW1 - West Point, WA 12 mi44 min SSE 5.1 G 5.1 57°F 1019 hPa (+0.4)56°F
46120 18 mi50 min SW 1.9 56°F 1017.9 hPa54°F
46121 20 mi52 min 54°F 1018.8 hPa54°F
TCMW1 - 9446482 - Tacoma Met, WA 22 mi62 min NNW 1.9 G 1.9
TCNW1 - 9446484 - Tacoma, WA 23 mi62 min 58°F 56°F1019.3 hPa
46125 24 mi49 min 3.9 54°F 1018 hPa53°F
PTWW1 - 9444900 - Port Townsend, WA 39 mi62 min NNE 5.1 G 5.1 55°F 52°F1019.5 hPa

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bremerton, Bremerton National Airport, WA10 mi1.8 hrsN 010.00 miFair57°F53°F87%1020.9 hPa
Boeing Field - King County International Airport, WA17 mi1.8 hrsN 010.00 miOvercast59°F53°F81%1018.9 hPa
Seattle, Seattle-Tacoma International Airport, WA18 mi1.8 hrsN 07.00 miMostly Cloudy57°F54°F90%1019.7 hPa
Tacoma, Tacoma Narrows Airport, WA20 mi1.8 hrsSW 30.15 miFog51°F51°F100%1019.5 hPa
Renton Municipal Airport, WA21 mi1.8 hrsVar 310.00 miOvercast59°F52°F78%1019.4 hPa

Link to 5 minute data for KPWT

Wind History from PWT (wind in knots)
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Last 24hrCalmNE6NE4NE6N8--NE8NE7N8N5CalmCalmSE3Calm--CalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day ago--S8S10
G19
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G19
S8S9S8SW7S8--SW4S3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm--NE3
2 days ago5SW8SW8S10SW6------SW11--SW8----------S7S6S6------CalmS6

Tide / Current Tables for Bremerton, Washington
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Bremerton
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Thu -- 02:58 AM PDT     1.28 feet Low Tide
Thu -- 06:53 AM PDT     Sunrise
Thu -- 09:28 AM PDT     10.06 feet High Tide
Thu -- 12:22 PM PDT     Moonset
Thu -- 03:09 PM PDT     4.98 feet Low Tide
Thu -- 07:14 PM PDT     Sunset
Thu -- 08:42 PM PDT     10.49 feet High Tide
Thu -- 10:05 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.43.31.81.31.93.45.57.59.110109.286.75.555.36.47.99.310.310.59.88.3

Tide / Current Tables for Port Washington Narrows, North Entrance of, Washington Current
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Port Washington Narrows
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Thu -- 01:15 AM PDT     -2.17 knots Max Ebb
Thu -- 03:23 AM PDT     0.00 knots Slack
Thu -- 06:51 AM PDT     2.19 knots Max Flood
Thu -- 06:53 AM PDT     Sunrise
Thu -- 10:34 AM PDT     -0.00 knots Slack
Thu -- 12:22 PM PDT     Moonset
Thu -- 01:54 PM PDT     -1.40 knots Max Ebb
Thu -- 03:44 PM PDT     0.00 knots Slack
Thu -- 06:38 PM PDT     1.17 knots Max Flood
Thu -- 07:14 PM PDT     Sunset
Thu -- 09:31 PM PDT     -0.00 knots Slack
Thu -- 10:05 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.9-2.2-1.8-0.60.61.522.21.91.30.5-0.3-0.9-1.3-1.4-0.80.20.81.11.10.90.4-0.3-1

Weather Map
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GEOS 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 (14,3,4,5)
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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.