Friday, September20, 2019 L-36.com


Marine Weather and Tides
Woodway, 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 6:52AMSunset 7:13PM Friday September 20, 2019 9:00 AM PDT (16:00 UTC) Moonrise 9:40PMMoonset 12:28PM Illumination 60% Phase: Waning Gibbous; Moon at 21 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- 858 Am Pdt Fri Sep 20 2019
Today..Light wind becoming S to 10 kt in the afternoon. Wind waves 1 ft or less. A slight chance of showers.
Tonight..Variable wind to 10 kt. Wind waves 1 ft or less.
Sat..Light wind becoming S to 10 kt in the afternoon. Wind waves 1 ft or less.
Sat night..NW wind to 10 kt becoming S 5 to 15 kt after midnight. Wind waves 2 ft or less.
Sun..S wind 5 to 15 kt becoming 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft.
Sun night..N wind 5 to 15 kt becoming S to 10 kt after midnight. Wind waves 2 ft or less.
Mon..S wind to 10 kt becoming sw 15 to 25 kt. Wind waves 1 ft or less building to 2 to 4 ft.
Tue..Variable wind 5 to 15 kt. Wind waves 2 ft or less.
PZZ100 858 Am Pdt Fri Sep 20 2019
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will prevail today with high pressure offshore and lower pressure inland. A frontal system will approach the area Saturday, then move inland Sunday. Another weak frontal system will move through the area around Monday night.


7 Day Forecast for Marine Location Near Woodway, WA
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location: 47.81, -122.38     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 201016
afdsew
area forecast discussion
national weather service seattle wa
315 am pdt Fri sep 20 2019

Synopsis An exiting weak system will keep clouds and a chance of
showers over western washington today before a ridge passes over the
area Saturday. Better chances for rain are expected late Saturday
night and Sunday as frontal system arrives.

Short term today through Sunday Current IR satellite shows
mid level clouds over the area while current obs also show a broken
layer of low clouds underneath... Which radar bears out. Speaking of
radar... Generally quiet although there does appear to still be a
stray shower or two at the time of this writing.

The weak weather system responsible for showers yesterday will
continue to move away from the area... But models show enough
residual moisture over W wa to leave mainly slight chance pops in
the forecast for today. Upper level ridging will move into the area
starting tonight and will pass over the area through the day
Saturday. This will bring another round of partly to mostly sunny
skies and dry conditions. This break in activity will not last long
as by Saturday night the next frontal system will already be at the
coast. This feature will cross the CWA Sunday bringing more
widespread rain before gradually tapering off to showers Sunday
night. Latest model solutions do show this feature being a bit
slower than previous runs and as such have altered the forecast
accordingly.

Not a whole lot of variation expected in high temperatures over this
period with lowland temps generally in the mid 60s... Although
obviously Saturday will be the warmest of the short term with some
locations getting into the upper 60s or near 70. Smr

Long term Monday through Thursday A system passing to the north
of the canadian border may bring showers to W wa Monday although
models disagree how far south this precip will dip. A better case
for rain can be made with a passing front expected
Tuesday... Although again there are discrepancies in model solutions
as to whether the front dissipates as it moves through as the gfs
would suggest of holds together as per the ecmwf. Models agree a
deepening upper level trough will keep weather active and pops in
the area for the middle of next week as a couple of upper level lows
within the trough pass through the area. In addition to
precip... This trough pattern will bring afternoon temperatures down
into the upper 50s to lower 60s. Smr

Aviation An upper ridge is centered offshore with an upper
trough over the intermountain west for northerly flow aloft over
western washington today. The air mass is moist and stable. A weak
weather system that passed through overnight has produced areas of
ifr and low MVFR ceilings around the puget sound area. These will
persist through much of the morning, then gradually lift later this
afternoon and evening over the interior.VFR ceilings will lower
back to low MVFR or ifr tonight with light onshore continuing near
the surface.

Ksea... Ifr or low MVFR ceilings continuing through midday then
lifting in the afternoon to becomeVFR near or after 00z. Surface
winds s-sw 7 knots or less. 27

Marine Weak onshore flow will continue through Saturday. A
frontal system will move through the area Saturday night and
Sunday. This system is likely to produce advisory level
southerly winds over the coastal waters and portions of the
northern inland waters. Increasing onshore flow behind the front
could produce advisory level westerlies in the strait. Another
weak frontal system will move through the area around Monday night.

27

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... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46120 4 mi32 min Calm 57°F 1017.9 hPa56°F
WPOW1 - West Point, WA 11 mi60 min Calm G 0 57°F 1018.9 hPa (+0.7)56°F
46125 15 mi39 min 5.8 56°F 1018 hPa55°F
PTWW1 - 9444900 - Port Townsend, WA 29 mi66 min S 1.9 G 5.1 58°F 53°F1019.1 hPa
TCMW1 - 9446482 - Tacoma Met, WA 37 mi66 min SE 2.9 G 4.1
TCNW1 - 9446484 - Tacoma, WA 38 mi66 min 58°F 57°F1019.1 hPa
46121 41 mi35 min 59°F 1018.8 hPa57°F
SISW1 - Smith Island, WA 43 mi70 min WSW 8.9 G 9.9 55°F 1018.3 hPa (+0.4)52°F
PBFW1 - Padilla Bay Reserve, WA 45 mi90 min SW 2.9 55°F 1018 hPa55°F

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA9 mi67 minW 310.00 miOvercast58°F54°F87%1018.9 hPa
Boeing Field - King County International Airport, WA20 mi67 minESE 410.00 miOvercast60°F55°F84%1018.6 hPa
Renton Municipal Airport, WA23 mi67 minN 010.00 miOvercast59°F55°F87%1019 hPa

Link to 5 minute data for KPAE

Wind History from PAE (wind in knots)
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Last 24hr--CalmW5SW4SW5W5W4W4NW4N5CalmCalmNW3CalmN3N3N4CalmCalmCalmN3CalmW3Calm
1 day agoNW5CalmN6N7NW8N7
G15
N7N9NW6NW5NW4CalmN3CalmCalmCalmNE3CalmCalmCalmCalmCalmCalmCalm
2 days agoSE10SE96SE7SE9
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SE9SE8SE9SE6SE4E6E5E4S3SE3E3CalmCalmE4E3Calm

Tide / Current Tables for Edmonds, Washington
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Edmonds
Click for Map
Fri -- 03:26 AM PDT     1.00 feet Low Tide
Fri -- 06:53 AM PDT     Sunrise
Fri -- 10:23 AM PDT     9.17 feet High Tide
Fri -- 01:29 PM PDT     Moonset
Fri -- 03:43 PM PDT     5.86 feet Low Tide
Fri -- 07:11 PM PDT     Sunset
Fri -- 09:09 PM PDT     9.38 feet High Tide
Fri -- 10:39 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.53.621.11.22.13.75.57.28.59.19.18.57.66.765.96.37.28.299.49.18.1

Tide / Current Tables for President Point, 1.5 mile E of, Washington Current
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President Point
Click for MapFlood direction 203 true
Ebb direction 24 true

Fri -- 04:32 AM PDT     0.00 knots Slack
Fri -- 06:44 AM PDT     0.31 knots Max Flood
Fri -- 06:53 AM PDT     Sunrise
Fri -- 10:26 AM PDT     -0.00 knots Slack
Fri -- 12:53 PM PDT     -0.30 knots Max Ebb
Fri -- 01:29 PM PDT     Moonset
Fri -- 05:10 PM PDT     0.00 knots Slack
Fri -- 06:24 PM PDT     0.11 knots Max Flood
Fri -- 07:11 PM PDT     Sunset
Fri -- 08:48 PM PDT     -0.00 knots Slack
Fri -- 10:39 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.5-0.5-0.4-0.3-0.10.10.30.30.30.20.1-0.1-0.3-0.3-0.3-0.2-0.1-00.10.10.1-0-0.2-0.4

Weather Map
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wmap_P
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 (12,3,4,5)
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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.