Friday, April20, 2018 L-36.com


Marine Weather and Tides
La Conner, WA

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 6:05AMSunset 8:10PM Friday April 20, 2018 8:51 PM PDT (03:51 UTC) Moonrise 8:44AMMoonset 12:00AM Illumination 32% Phase: Waxing Crescent; Moon at 6 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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PZZ133 Northern Inland Waters Including The San Juan Islands- 849 Pm Pdt Fri Apr 20 2018
.small craft advisory in effect through Saturday afternoon...
Tonight..E wind to 10 kt becoming se 15 to 25 kt after midnight. Wind waves 1 ft or less building to 2 to 4 ft after midnight. Rain likely in the evening then rain after midnight.
Sat..SW wind 20 to 30 kt becoming W 15 to 25 kt in the afternoon. Wind waves 3 to 5 ft. A chance of showers in the morning then a slight chance of showers in the afternoon.
Sat night..SW wind 10 to 20 kt becoming W to 10 kt after midnight. Wind waves 1 to 3 ft subsiding to 1 ft or less after midnight.
Sun..Light wind becoming nw to 10 kt in the afternoon. Wind waves 1 ft or less.
Sun night..NW wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Mon..Light wind. Wind waves less than 1 ft.
Mon night..Light wind. Wind waves less than 1 ft.
Tue..Light wind becoming W to 10 kt. Wind waves 1 ft or less.
Wed..W wind to 10 kt. Wind waves 1 ft or less.
PZZ100 849 Pm Pdt Fri Apr 20 2018
Synopsis for the northern and central washington coastal and inland waters..A cold front will move through western washington after midnight tonight, followed by a short period of strong onshore flow on Saturday morning. High pressure will build into the region over the weekend. Thermal low pressure will set up along the oregon coast Monday and Tuesday as an upper ridge shifts over the pacific northwest.

7 Day Forecast for Marine Location Near La Conner town, WA
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location: 48.39, -122.5     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 202155
afdsew
area forecast discussion
national weather service seattle wa
255 pm pdt Fri apr 20 2018

Synopsis A warm front will brush the area this evening. A
trailing cold front will move through overnight with decreasing
showers behind the front Saturday. A dry upper trough will cross
the area Sunday. An upper level ridge will build in Sunday night
and remain over western washington through most of next week for
an extended dry and warm spell.

Short term A weak warm front will move through the area this
evening with spotty light rain - mainly coast and northwest
interior. A trailing cold front will bring a quick shot of rain to
most of the area later tonight.

Showers behind the front will quickly become mostly confined to
the mountains Saturday. Moderate onshore flow will produce breezy
to locally windy conditions behind the cold front. It will be a
few degrees cooler compered to today but still close to normal. A
puget sound convergence zone will likely form during the day and
linger into Saturday night.

Sunday is looking dry with decreasing clouds. A weak upper trough
will cross the area in the morning with an upper upper ridge
building in from the west later in the day. Highs will once again
be near normal. The upper ridge will move overhead on Monday for
dry and warmer weather. Schneider

Long term High pressure aloft will produce mostly sunny and
warm weather Tuesday through Thursday. Highs will warm into the
70s many areas. Thursday will probably be the warmest day -
possibly near 80 in spots with low level offshore flow. Onshore
flow is expected to develop Friday which should cool highs back
into the 60s. Some showers could also move into the area from the
south. Schneider

Aviation Clouds will thicken up through this evening as a weak
warm front clips the area. There are areas of rain on the coast
that will spread inland overnight. The cold front will move ashore
overnight and then the rain will turn to showers Saturday
morning. A pscz should develop Saturday, then shift south and
break up later in the day. The mountains will become obscured
tonight and remain mostly obscured Saturday.

Ksea... Rain will increase overnight then turn to showers
Saturday morning. It will become breezy overnight. A pscz will
develop Saturday morning then shift south through seattle in the
afternoon.

Marine A warm front will clip the area this afternoon and
evening and then a stronger cold front will push through the area
overnight. Small craft advisories for the waters will give way to
gale warnings for the central and eastern strait of juan de fuca
behind the cold front--several hours of gales just after daybreak
seem likely at race rocks and in the central strait to perhaps
smith island. High pressure will build into the area behind the
front and into Sunday. A thermal trough will set up along the
oregon coast Monday and Tuesday, so we will probably see northerly
breezes develop over western washington Monday and Tuesday--
perhaps stronger than the current forecast and better for
afternoon sailing than the current forecast indicates which only
has north winds to 10 knots over the inland waters for now.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until noon 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-coastal waters from point grenville to CAPE shoalwater
10 to 60 nm-coastal waters from point grenville to cape
shoalwater out 10 nm-puget sound and hood canal.

Small craft advisory until 3 am pdt Saturday for central u.S.

Waters strait of juan de fuca-east entrance u.S. Waters
strait of juan de fuca.

Gale warning from 3 am to noon pdt Saturday for central u.S.

Waters strait of juan de fuca-east entrance u.S. Waters
strait of juan de fuca.

Small craft advisory until 3 pm pdt Saturday for admiralty inlet-
northern inland waters including the san juan islands-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
PBFW1 - Padilla Bay Reserve, WA 5 mi82 min NNW 2.9 50°F 1021 hPa47°F
SISW1 - Smith Island, WA 18 mi62 min W 4.1 G 5.1 48°F 1020.5 hPa (-1.5)43°F
46118 23 mi57 min NW 1.9 51°F 1019.9 hPa44°F
PTWW1 - 9444900 - Port Townsend, WA 24 mi52 min Calm G 1.9 49°F 49°F1021.2 hPa (-1.7)
FRDW1 - 9449880 - Friday Harbor, WA 29 mi76 min Calm G 1.9 47°F 48°F1020.5 hPa
CPMW1 35 mi52 min N 7 G 8.9 48°F 47°F
46088 - New Dungeness, WA (Hein Bank) 35 mi62 min W 3.9 G 3.9 48°F 48°F1020.4 hPa (-1.6)44°F
CHYW1 - 9449424 - Cherry Point, WA 35 mi52 min NE 7 G 8 48°F 1020.1 hPa (-1.9)
46120 44 mi51 min NNW 7.8 50°F 1020.3 hPa43°F

Wind History for Port Townsend, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington/Mount Vernon, Skagit Regional Airport, WA7 mi77 minVar 4 G 1410.00 miOvercast52°F41°F67%1020.7 hPa
Whidbey Island Naval Air Station - Ault Field, WA8 mi1.9 hrsSSW 410.00 miOvercast51°F44°F77%1022.4 hPa
Arlington Municipal Airport, WA23 mi56 minN 010.00 miOvercast51°F43°F74%1021.3 hPa

Wind History from BVS (wind in knots)
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Last 24hrCalmCalmCalmS4SE3SE4CalmCalmCalmCalmCalmCalmNE34S35
G10
SW6S11
G17
5NW3NW8CalmCalmS10
G27
1 day agoW4CalmCalmCalmCalmCalmNE8NE4NE7NE5NE3NE5CalmW4S55W4W6W5NW4Calm3CalmCalm
2 days agoCalmS5CalmCalmCalmCalmCalmNE5NE5NE6NE6NE6Calm4CalmCalmN5W8NW10NW10NW10W10W8W5

Tide / Current Tables for La Conner, Washington
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La Conner
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Fri -- 12:33 AM PDT     Moonset
Fri -- 03:20 AM PDT     5.59 feet Low Tide
Fri -- 06:10 AM PDT     Sunrise
Fri -- 08:12 AM PDT     9.55 feet High Tide
Fri -- 09:44 AM PDT     Moonrise
Fri -- 03:37 PM PDT     -1.28 feet Low Tide
Fri -- 08:08 PM PDT     Sunset
Fri -- 10:37 PM PDT     10.18 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.57.36.25.65.86.77.999.59.38.26.54.32.10.2-1.1-1.2-0.124.578.91010.1

Tide / Current Tables for Deception Pass, Washington Current
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Deception Pass
Click for Map
Fri -- 12:34 AM PDT     Moonset
Fri -- 01:11 AM PDT     0.04 knots Slack
Fri -- 04:09 AM PDT     4.91 knots Max Flood
Fri -- 06:10 AM PDT     Sunrise
Fri -- 06:33 AM PDT     -0.06 knots Slack
Fri -- 09:44 AM PDT     Moonrise
Fri -- 10:07 AM PDT     -7.28 knots Max Ebb
Fri -- 12:58 PM PDT     0.06 knots Slack
Fri -- 04:39 PM PDT     6.42 knots Max Flood
Fri -- 08:00 PM PDT     -0.03 knots Slack
Fri -- 08:09 PM PDT     Sunset
Fri -- 10:58 PM PDT     -6.68 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-5.1-2.22.84.34.94.52.6-3.5-5.6-6.7-7.3-6.9-5.20.33.85.36.26.45.53.80.1-4.7-6.2-6.7

Weather Map and Satellite Images
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wmap_P
GOES 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 (23,6,7,8)
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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.