Tuesday, September17, 2019 L-36.com


Marine Weather and Tides
Everett, 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 6:47AMSunset 7:19PM Tuesday September 17, 2019 4:14 AM PDT (11:14 UTC) Moonrise 8:09PMMoonset 9:11AM Illumination 89% Phase: Waning Gibbous; Moon at 18 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- 249 Am Pdt Tue Sep 17 2019
.small craft advisory in effect through this afternoon...
Today..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain.
Tonight..S wind 10 to 20 kt easing to 10 kt after midnight. Wind waves 1 to 3 ft. Showers in the evening then a chance of showers after midnight.
Wed..Variable wind to 10 kt becoming N in the afternoon. Wind waves 1 ft or less. A chance of showers. Isolated tstms in the afternoon.
Wed night..N wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Thu..S wind to 10 kt. Wind waves 1 ft or less.
Thu night..Variable wind 5 to 15 kt becoming se after midnight. Wind waves 2 ft or less.
Fri..S wind to 10 kt becoming light. Wind waves 1 ft or less.
Sat..Light wind becoming S 5 to 15 kt. Wind waves 2 ft or less.
PZZ100 249 Am Pdt Tue Sep 17 2019
Synopsis for the northern and central washington coastal and inland waters..A vigorous frontal system will move through the area today. Onshore flow will prevail Wednesday through Friday with high pressure offshore and lower pressure inland. Another frontal system will approach from the west on Saturday.


7 Day Forecast for Marine Location Near Everett, WA
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location: 48.02, -122.2     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 171020
afdsew
area forecast discussion
national weather service seattle wa
320 am pdt Tue sep 17 2019

Synopsis Cold front moving through western washington today
bringing with it rain and windy conditions. Cool upper level
trough settling over the area tonight and Wednesday keeping
showers in the forecast. A weak upper level ridge will build into
british columbia Thursday with the ridge remaining over the region
into Saturday. A weak system will try and move through the ridge
Friday. Another frontal system will arrive Sunday.

Short term today through Thursday Satellite imagery shows
cold front offshore about 100 nm off the coast at 10z 3 am. Rain
out ahead of the front reached the coast in the last hour. For
the interior just cloudy skies at 3 am. Temperatures were in the
mid 50s to lower 60s.

Parent low of the cold front moving north early this morning near
haida gwaii with cold air behind the front digging south. This in
turn is slowing down the eastward movement of the front pushing
back the timing through western washington to mid morning on the
coast and midday early afternoon for the interior. Coastal buoys
not indicating much wind yet, 10 to 20 knots with gusts to 25
knots, but expect winds to increase as the front gets closer to
the coast. Surface gradients not that impressive as the front
moves inland with kolm-kbli peaking around plus 2 mb but
soundings still showing decent winds, 25 to 40 knots, right above
the surface just ahead, with and just behind the front so will
keep the windy conditions in the forecast for later today. Rain
spreading over the entire area this morning with the precipitation
changing to showers in the afternoon. Highs well below normal,
lower to mid 60s.

Cool upper level trough settling in over western washington
behind the front later tonight into Wednesday keeping showers in
the forecast. Convective variables area good enough ( lifted
indexes near 0, convective temperatures in the mid 60s, cape
around 200 j kg ) to have a chance of thunderstorms in the
forecast for Wednesday afternoon. Wind aloft very light below
25,000 feet, 10 knots or less except for a thin layer of 15 knot
winds near 500 mb ) Wednesday afternoon so if a thunderstorm does
develop it will be nearly stationary and have the potential create
a brief round of heavy rain. Lows tonight in the mid 40s to mid
50s. Highs Wednesday in the lower to mid 60s.

Trough moving east Wednesday night with the shower threat coming
to an end. Weak upper level ridge nosing into british columbia
later Wednesday night into Thursday with dry northerly flow aloft
over western washington. Plenty of low level moisture hanging
around combined with light southerly gradients at the surface and
the longer nights this time of year for some morning low clouds
Thursday morning. Stratus layer dissipating in the afternoon.

Highs a little warmer with the warmest locations near 70 and the
remainder of the area in the 60s. Thursday morning lows in the
mid 40s to mid 50s. Felton

Long term Friday through Monday Extended models still
trying to bring a weak shortwave down the back of the ridge into
western washington on Friday. ECMWF is the stronger of the model
solutions with this feature but also has mid 570 dms over the
area. Northerly trajectory of the shortwave does not bode well for
much of it to be left once it reaches western washington. Will
leave just a chance of showers in the forecast. Ridge rebuilding a
little on Saturday in response to the next organized frontal
system that is currently timed to reach the area on Sunday. Models
have had the front for multiple runs in a row increasing
confidence that Sunday is going to be a wet day. Like the system
today, models show an upper level ridge building into british
columbia behind the front Monday. Highs remain near or a little
below normal through the period with 60s common and a few lower
70s Friday and Saturday and possibly again on Monday. Felton

Aviation West to southwest flow aloft today as upper trough
offshore sends an associated frontal system into western
washington. The air mass will become somewhat unstable behind the
front this afternoon and evening.VFR ceilings early this morning
will lower to MVFR by around daybreak with pockets of ifr in
moderate rain through midday. Visibilities will also lower to 3-5
miles at times. A mix of MVFR and local ifr conditions in showers
will continue behind the front through tonight. Surface winds will
become gusty out of the south and persist through late afternoon
before easing this evening.

Ksea...VFR ceilings lowering to MVFR by around 14z or 15z. Several
hours of ceilings 1500-2500 feet are likely in rain as a
front moves through. South to southeast wind increasing to 10-20
knots and become gusty around midday. Wind near 5000 feet will
be 40 to 50 knots for a few hours this morning as the front
moves through. 27

Marine A frontal system will bring southerly gales to the
coastal waters, east entrance strait of juan de fuca, and
northern inland waters this morning with small craft advisory
strength southerly winds likely most other waters.

Winds will subside later today and tonight behind the
front. Onshore flow will prevail Wednesday through Friday with
high pressure offshore and lower pressure inland. A second frontal
system will approach from the west on Saturday. 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... Gale warning until 5 pm pdt this afternoon 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-coastal waters from point grenville to CAPE shoalwater
10 to 60 nm-coastal waters from point grenville to cape
shoalwater out 10 nm.

Gale warning until 5 pm pdt this afternoon for east entrance
u.S. Waters strait of juan de fuca-northern inland waters
including the san juan islands.

Small craft advisory until 5 pm pdt this afternoon for admiralty
inlet-central u.S. Waters strait of juan de fuca-puget
sound and hood canal-west entrance u.S. Waters strait of
juan de fuca.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46120 21 mi48 min S 7.8 60°F 1008.1 hPa51°F
46125 24 mi54 min 12 58°F 1007.7 hPa52°F
WPOW1 - West Point, WA 28 mi75 min SSE 12 G 13 58°F 1009.7 hPa (-0.5)51°F
PTWW1 - 9444900 - Port Townsend, WA 30 mi63 min ESE 7 G 13 57°F 53°F1008.2 hPa
PBFW1 - Padilla Bay Reserve, WA 34 mi165 min S 9.9 57°F 1009 hPa52°F
SISW1 - Smith Island, WA 39 mi85 min SSE 23 G 25 57°F 1007.5 hPa (-1.2)51°F

Wind History for Port Townsend, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA9 mi82 minSSE 810.00 miA Few Clouds55°F50°F83%1009.9 hPa
Arlington Municipal Airport, WA10 mi79 minESE 1110.00 miMostly Cloudy57°F51°F81%1010.1 hPa

Link to 5 minute data for KPAE

Wind History from PAE (wind in knots)
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Last 24hrCalmSE6S7S7S5S7W6SW55SW7W564S8S7S10S12S10SE12SE10SE10SE11SE8SE8
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Tide / Current Tables for Marysville, Quilceda Creek, Washington
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Marysville
Click for Map
Tue -- 01:58 AM PDT     1.91 feet Low Tide
Tue -- 06:48 AM PDT     Sunrise
Tue -- 07:45 AM PDT     9.44 feet High Tide
Tue -- 10:10 AM PDT     Moonset
Tue -- 02:04 PM PDT     2.75 feet Low Tide
Tue -- 07:17 PM PDT     Sunset
Tue -- 07:44 PM PDT     10.06 feet High Tide
Tue -- 09:08 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.82.41.92.54.16.17.99.19.48.97.76.24.63.32.83.34.76.78.59.8109.48.16.3

Tide / Current Tables for Port Gamble Bay, Washington Current
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Port Gamble Bay
Click for Map
Tue -- 01:35 AM PDT     0.00 knots Slack
Tue -- 04:31 AM PDT     0.91 knots Max Flood
Tue -- 06:49 AM PDT     Sunrise
Tue -- 07:51 AM PDT     -0.00 knots Slack
Tue -- 10:12 AM PDT     Moonset
Tue -- 10:58 AM PDT     -0.68 knots Max Ebb
Tue -- 01:36 PM PDT     0.00 knots Slack
Tue -- 04:33 PM PDT     0.86 knots Max Flood
Tue -- 07:18 PM PDT     Sunset
Tue -- 07:46 PM PDT     -0.00 knots Slack
Tue -- 09:09 PM PDT     Moonrise
Tue -- 11:13 PM PDT     -0.82 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.6-0.20.20.60.90.90.70.4-0-0.4-0.6-0.7-0.6-0.20.20.60.80.80.70.3-0.1-0.4-0.7-0.8

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 (7,2,3,4)
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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.