Thursday, May25, 2017 L-36.com


Marine Weather and Tides
Anacortes, WA

Version 3.4
What's New / NOTES
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 5:15AMSunset 8:59PM Thursday May 25, 2017 9:09 AM PDT (16:09 UTC) Moonrise 4:43AMMoonset 7:52PM Illumination 0% Phase: New Moon; Moon at 0 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- 250 Am Pdt Thu May 25 2017
Today..Variable wind 10 kt or less. Wind waves 1 ft or less.
Tonight through Sat..Variable wind 5 to 15 kt. Wind waves 2 ft or less.
Sat night..SW wind 5 to 15 kt. Wind waves 2 ft or less.
Sun..Variable wind 10 kt or less. Wind waves 1 ft or less.
Mon..SW wind 15 to 25 kt. Wind waves 1 to 4 ft.
PZZ100 250 Am Pdt Thu May 25 2017
Synopsis for the northern and central washington coastal and inland waters..High pres over the ne pacific along with lower pres E of the cascades will keep the flow light onshore through Fri. The offshore high will weaken and redevelop farther W Saturday...causing the flow to become more northerly.

7 Day Forecast for Marine Location Near Anacortes, WA
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location: 48.51, -122.6     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 251011
afdsew
area forecast discussion
national weather service seattle wa
310 am pdt Thu may 25 2017

Synopsis Temperatures will slowly rebound on today, with
enough moisture and instability for a few afternoon showers and
thunderstorms over the cascades. A warm and dry upper ridge axis off
the coast on Friday will pass directly over western washington on
Saturday. Its warm and dry influence will continue from Sunday
through Tuesday, including memorial day.

Short term Mostly clear skies over western washington have
allowed for temperatures to once again fall into the 40s area-
wide... Just as they did 24 hours ago. With upper level ridging over
the pacific pushing inland throughout the short term... Will expect
to see temperatures gradually climb through the period. Afternoon
highs today should be approx 5-10 degrees warmer than
yesterday... Depending on location... Bringing the temperature spread
over W wa from the lower 60s along the coast to near 70 in the
interior lowlands. A section of instability on the back edge of the
exiting trough looks to set up over the cascades this afternoon and
evening... Allowing for the chance for showers and thunderstorms to
develop over that area. LI values end up being fairly limited... Only
-1 or -2... With CAPE equally unimpressive... So have limited thunder
to chance or slight chance and this falls in line with surrounding
offices.

As this upper level ridge continues to push inland... A dry and warm
forecast resumes allowing for temperatures to reach into the upper
70s to low 80s in the interior lowlands for memorial day weekend. Smr

Long term Beyond the holiday... The first half of next week seems
to want to transition a bit. Starting with late Monday
night... Models remain consistent on some degree of instability and
scattered precip signatures possibly signaling a bit of a marine
push... Though not nearly as intense as the previous one. Still looks
to be enough to start cooling temps with afternoon highs Tue falling
back into the upper 70s for the interior. This downward trend will
continue as an upper level trough starts to approach the area by
midweek... Where we finally start to see the prospect of showers re-
enter the forecast. Smr

Aviation
Wrn wa will remain between a ridge of high pres offshore and an
upper level trof over the interior w. This will maintain the nly
flow aloft over the area. The low level flow will remain weak
onshore. The air mass will become unstable over the cascades this
afternoon for a risk of isold tstms. The threat will end after
sunset.

Meanwhile, expect areas of MVFR CIGS and patchy MVFR vsbys (due to
fog) til 1800 utc over the coast and SW interior (roughly S of a
line from kshn to ktcm).

Ksea...VFR. Light and variable winds will become NW near 10 knots
this afternoon.

Marine
High pressure centered over the northeast pacific along with lower
pressure east of the cascades will result in light onshore flow
through Friday. The offshore high will weaken and redevelop farther
west on Saturday, causing the flow to become light northerly.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisories for hazardous seas are in effect for
the coastal waters and west entrance to the strait of juan
de fuca.

Small craft advisory for rough bar in effect until 7 am this
morning for the grays harbor bar.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PBFW1 - Padilla Bay Reserve, WA 8 mi100 min S 1.9 49°F 1013 hPa46°F
46118 15 mi85 min ESE 9.7 52°F 1012.6 hPa48°F
SISW1 - Smith Island, WA 18 mi70 min Calm G 1 52°F 1013.2 hPa (+0.0)
FRDW1 - 9449880 - Friday Harbor, WA 22 mi94 min Calm G 1.9 52°F 50°F1013.3 hPa
CPMW1 26 mi58 min WNW 1.9 G 2.9 54°F
CHYW1 - 9449424 - Cherry Point, WA 26 mi58 min W 1.9 G 2.9 1012.8 hPa
PTWW1 - 9444900 - Port Townsend, WA 29 mi58 min SSE 2.9 G 2.9 49°F 51°F1013.9 hPa
46088 - New Dungeness, WA (Hein Bank) 32 mi50 min Calm G 1.9 51°F 50°F1 ft1013 hPa47°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, WA10 mi75 minN 09.00 miMostly Cloudy52°F46°F82%1013.5 hPa
Whidbey Island, Naval Air Station, WA11 mi74 minN 010.00 miPartly Cloudy54°F46°F75%1014.4 hPa
Bellingham, Bellingham International Airport, WA20 mi77 minSSE 410.00 miA Few Clouds55°F50°F83%1013.5 hPa
Eastsound, Orcas Island Airport, WA21 mi75 minNNW 810.00 miFair55°F50°F82%1012.9 hPa
Friday Harbor, Friday Harbor Airport, WA22 mi77 minN 010.00 miA Few Clouds56°F50°F81%1013.4 hPa

Wind History from BVS (wind in knots)
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Last 24hrS6
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6S7S7SW3E5E63E6CalmCalmCalm--CalmCalmCalmCalmNE5NE4NE4NE4NE4CalmCalm
1 day agoS9S13
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SW76634SW4SW5CalmCalmSW12
2 days agoW4NW10W8NW6NW7NW12W14W11
G16
W8NW7W6W5CalmCalmCalmCalmCalmCalmCalmCalmSE4E4SE5SE9

Tide / Current Tables for Anacortes, Guemes Channel, Washington
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Anacortes
Click for Map
Thu -- 03:59 AM PDT     8.41 feet High Tide
Thu -- 05:18 AM PDT     Sunrise
Thu -- 05:43 AM PDT     Moonrise
Thu -- 10:47 AM PDT     -2.06 feet Low Tide
Thu -- 12:46 PM PDT     New Moon
Thu -- 06:28 PM PDT     8.14 feet High Tide
Thu -- 08:51 PM PDT     Moonset
Thu -- 08:57 PM PDT     Sunset
Thu -- 11:05 PM PDT     5.06 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.46.37.38.18.486.74.52-0.3-1.7-2-1.30.11.93.95.77.2887.36.35.45.1

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 -- 01:44 AM PDT     0.89 knots Max Flood
Thu -- 02:55 AM PDT     -0.00 knots Slack
Thu -- 05:18 AM PDT     Sunrise
Thu -- 05:43 AM PDT     Moonrise
Thu -- 08:32 AM PDT     -3.63 knots Max Ebb
Thu -- 12:29 PM PDT     0.00 knots Slack
Thu -- 12:46 PM PDT     New Moon
Thu -- 02:52 PM PDT     1.89 knots Max Flood
Thu -- 06:05 PM PDT     -0.00 knots Slack
Thu -- 08:51 PM PDT     Moonset
Thu -- 08:57 PM PDT     Sunset
Thu -- 09:35 PM PDT     -1.58 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
00.70.8-0.1-0.9-1.8-2.6-3.2-3.6-3.6-3-1.9-0.70.61.61.91.60.90.1-0.6-1.1-1.5-1.5-1.1

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 (12,3,4,5)
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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.