Thursday, August17, 2017 L-36.com


Marine Weather and Tides
Bay View, 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 6:07AMSunset 8:21PM Thursday August 17, 2017 6:06 PM PDT (01:06 UTC) Moonrise 12:37AMMoonset 4:17PM Illumination 19% Phase: Waning Crescent; Moon at 25 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- 258 Pm Pdt Thu Aug 17 2017
Tonight..SW wind 10 to 20 kt easing late. Wind waves 3 ft or less.
Fri..S wind 5 to 15 kt. Wind waves 2 ft or less.
Fri night..SW wind 15 to 25 kt easing late. Wind waves 1 to 4 ft subsiding late.
Sat..W wind 10 kt or less. Wind waves 1 ft or less.
Sat night..SW wind 5 to 15 kt. Wind waves 2 ft or less.
Sun..SW wind 10 kt or less. Wind waves 1 ft or less.
Sun night..SW wind 5 to 15 kt. Wind waves 2 ft or less.
Mon..W wind 10 kt or less. Wind waves 1 ft or less.
Tue..SW wind 10 to 20 kt. Wind waves 3 ft or less.
PZZ100 258 Pm Pdt Thu Aug 17 2017
Synopsis for the northern and central washington coastal and inland waters..A typical august pattern will prevail through the middle of next week. Expect onshore flow of varying strength to persist due to higher pres offshore with lower pres east of the cascades.

7 Day Forecast for Marine Location Near Bay View, WA
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location: 48.48, -122.53     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 172247 cca
afdsew
area forecast discussion... Corrected
national weather service seattle wa
330 pm pdt Thu aug 17 2017

Synopsis Seasonable summer weather will continue through
Friday with morning clouds and afternoon sunshine. A weak system
will brush the area Friday bringing slightly cooler conditions and a
chance of light rain or drizzle mainly to the north coast and north
cascades. High pressure will begin to rebuild over the region Sunday
afternoon, reinforcing dry and warmer weather into early next week.

Short term Stratus has burned back to the central washington
coast with a few lingering clouds over the western slopes of the
cascades this afternoon. Onshore flow will bring stratus back to
much of the interior late tonight into early Friday morning. A
weakening frontal system will pass to the north of the area Friday
with resulting in a slight chance of light precipitation mainly over
the north coast in the morning and over the north cascades during
the afternoon. More than anything this feature will likely bring
little more than increased mid and high level clouds especially over
the northern half of the area Friday. Low clouds will return again
late Friday night into Saturday with afternoon clearing. Flow aloft
will remain westerly Saturday as the upper level ridge over the
eastern pacific remains slow to rebound. Temperatures should look
pretty similar to Friday with highs in the upper 60s to mid 70s over
parts of the interior.

Long term The dirty ridge and zonal flow over the eastern pacific
will start to break down as an upper level trough digs into the gulf
of alaska from the bering sea Sunday. This will result in the upper
level ridge amplifying downstream of the approaching trough. Heights
will begin to rise over western washington Sunday afternoon through
Monday. Rising heights and warming aloft will help high temperatures
creep back up into the upper 70s to low 80s over the interior on
Monday and Tuesday with mostly sunny to sunny skies. The sky
forecast continues to look good for the eclipse on Monday. The ridge
axis will shift east Tuesday ahead of a weak upper level trough
approaching the region from the west. Medium range models continue
to differ on the timing and strength of this system hinting at a
chance of showers Wednesday afternoon into Thursday.

Aviation The upper level ridge will move east overnight,
allowing an upper level trof to approach from the northwest. The
main impact will be a deeper marine layer. Westerly flow aloft and
low level onshore flow will continue. Areas of MVFR CIGS will
become wdsprd across much of the lower elevations by early tomorrow
morning.

Ksea...VFR conditions will prevail through this evening. Low clouds
(MVFR cigs) will return late tonight and will probably be slower
to lift tomorrow. Light westerly winds will become northerly late
this afternoon. Expect winds to become light southerly late
tonight before veering to westerly Friday afternoon.

Marine
A typical august pattern will prevail through the middle of next
week. Expect onshore flow of varying strength to persist due to
higher pres offshore with lower pres east of the cascades. There
is a possibility that westerly winds could reach gale force over
the central and eastern strait of juan de fuca Friday night.

Therefore, a gale watch was issued for these waters.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisories are in effect for the central and
eastern strait of juan de fuca.

Gale watch in effect from Friday evening through late Friday
night for the central and eastern 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 3 mi97 min W 8 69°F 1021 hPa56°F
46118 17 mi77 min ESE 9.7 63°F 1020.3 hPa56°F
SISW1 - Smith Island, WA 20 mi67 min WSW 11 G 13 58°F 1021.6 hPa (-1.3)
FRDW1 - 9449880 - Friday Harbor, WA 26 mi91 min SSW 6 G 7 65°F 52°F1021.2 hPa
PTWW1 - 9444900 - Port Townsend, WA 28 mi55 min WSW 11 G 21 64°F 53°F1022.2 hPa
CPMW1 29 mi55 min S 7 G 8 62°F
CHYW1 - 9449424 - Cherry Point, WA 29 mi49 min S 7 G 8 61°F 58°F1020 hPa
46088 - New Dungeness, WA (Hein Bank) 35 mi47 min WSW 14 G 14 56°F 52°F1 ft1020 hPa53°F

Wind History for Friday Harbor, WA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington/Mount Vernon, Skagit Regional Airport, WA6 mi72 minSSW 89.00 miFair72°F55°F57%1021.3 hPa
Whidbey Island Naval Air Station - Ault Field, WA10 mi71 minWSW 810.00 miPartly Cloudy66°F51°F59%1022.8 hPa
Bellingham, Bellingham International Airport, WA21 mi74 minS 1010.00 miFair69°F55°F63%1021.3 hPa

Wind History from BVS (wind in knots)
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Last 24hrS6
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1 day agoW64CalmS5S43S7SE4S6SE5SE4SE4SE4SE5SE44SW8S8
G13
4W4S5S7S7S5
2 days agoW5SW5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm4SW5NW5W7NW7W7NW8W7

Tide / Current Tables for Swinomish Channel Entrance, Padilla Bay, Washington
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Swinomish Channel Entrance
Click for Map
Thu -- 12:07 AM PDT     8.28 feet High Tide
Thu -- 01:37 AM PDT     Moonrise
Thu -- 06:07 AM PDT     Sunrise
Thu -- 08:07 AM PDT     -0.44 feet Low Tide
Thu -- 03:41 PM PDT     7.52 feet High Tide
Thu -- 05:16 PM PDT     Moonset
Thu -- 08:19 PM PDT     Sunset
Thu -- 08:22 PM PDT     6.09 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.38.17.46.24.52.71.1-0-0.4-0.10.92.23.75.36.67.47.57.26.86.36.16.26.77.3

Tide / Current Tables for Guemes Channel, West entrance of, Washington Current
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Guemes Channel
Click for MapFlood direction 95 true
Ebb direction 255 true

Thu -- 01:38 AM PDT     Moonrise
Thu -- 04:39 AM PDT     -2.84 knots Max Ebb
Thu -- 06:07 AM PDT     Sunrise
Thu -- 09:03 AM PDT     0.00 knots Slack
Thu -- 11:17 AM PDT     1.02 knots Max Flood
Thu -- 02:44 PM PDT     -0.00 knots Slack
Thu -- 05:17 PM PDT     Moonset
Thu -- 05:47 PM PDT     -0.77 knots Max Ebb
Thu -- 08:20 PM PDT     Sunset
Thu -- 09:11 PM PDT     0.00 knots Slack
Thu -- 10:38 PM PDT     0.42 knots Max Flood
Thu -- 11:25 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.9-1.4-2-2.5-2.8-2.8-2.4-1.7-1-0.10.7110.80.3-0.1-0.4-0.7-0.8-0.6-0.4-0.10.30.3

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 (21,6,7,8)
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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.