Wednesday, April26, 2017 L-36.com


Marine Weather and Tides
Anacortes, WA

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 5:56AMSunset 8:19PM Tuesday April 25, 2017 10:55 PM PDT (05:55 UTC) Moonrise 5:01AMMoonset 6:26PM 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- 900 Pm Pdt Tue Apr 25 2017
.small craft advisory in effect through Wednesday evening...
Tonight..SE wind 15 to 25 kt becoming S after midnight. Wind waves 2 to 4 ft. Rain.
Wed..SW wind 15 to 25 kt. Wind waves 2 to 4 ft. Highest wind and waves south part. Scattered showers.
Wed night..W wind 15 to 25 kt becoming 15 to 20 kt after midnight. Wind waves 2 to 4 ft. Highest wind and waves south part. A chance of showers.
Thu..W wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. Wind waves 2 to 4 ft.
Thu night..SW wind 15 to 25 kt. Wind waves 2 to 4 ft.
Fri..W wind 10 to 20 kt becoming 5 to 15 kt in the afternoon. Wind waves 1 to 3 ft.
Fri night..W wind 5 to 15 kt becoming sw 10 to 20 kt after midnight. Wind waves 1 to 3 ft.
Sat..S wind 5 to 15 kt. Wind waves 2 ft or less.
Sun..SW wind 15 to 25 kt becoming W 20 to 30 kt. Wind waves 2 to 5 ft.
PZZ100 900 Pm Pdt Tue Apr 25 2017
Synopsis for the northern and central washington coastal and inland waters..A front will move through the inland waters after midnight. Strong onshore flow Wednesday will ease somewhat on Thursday. Another front will reach the area over the weekend.

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 260435
afdsew
area forecast discussion
national weather service seattle wa
935 pm pdt Tue apr 25 2017

Synopsis A weak upper trough will maintain showery weather
through Thursday. High pressure will dry the area out Friday and
possibly Saturday. A front will bring a little rain Sunday. High
pressure aloft will likely be in control early next week.

Short term A weak frontal system will fall apart over the area
tonight. There will be some light rain but it looks spotty and
more off than on. Showers will linger on Wednesday with a baggy
upper trough overhead - mainly coast, mountains, and in a puget
sound convergence zone. Thursday will be about the same as
Wednesday as another weak upper trough swings through for a chance
of showers, mainly in the afternoon. High pressure aloft will try
to build over the area on Friday for some drying. There will be
enough residual moisture and lingering instability for isolated
showers again, mainly in the afternoon. Highs will be a few
degrees below normal each day. Schneider

Long term Previous discussion... It looks like dry weather on
Saturday may be asking too much of mother nature. The GFS was
faster in bringing the precipitation back into the area than the
ecmwf but models indicated a threat of precip. The question was:
how far east? Decided to compromise between the faster and slower
solutions, keeping the threat confined to the western part of the
cwa during the day Saturday.

The upper flow pattern will remain progressive during this period
for continued unsettled conditions. There will be periods of dry
weather between systems. Overall confidence in the forecast was
somewhat low for Saturday and beyond.

Not to sound like a broken record but temps during this period are
expected to be below normal.

Aviation A weak upper trough over the region through Wednesday
will maintain moderate west to northwest flow aloft. The associated
weak surface front will move east of puget sound this evening.

Moderately strong onshore flow with a moist and showery air mass
will remain over western washington through Wednesday evening. The
puget sound convergence zone could become active Wednesday and
Wednesday evening in the prone corridor from sea-pae. A wind shift to
the north-northwest will occur over north puget sound by Wednesday
afternoon and could cause southwest winds at kbfi/ksea to turn
westerly or switch to north-northwest for a few hours late Wednesday
afternoon and early afternoon. Opposing flow w/ wind speeds to 10
kt at ksea/kbli possible roughly 00z-05z early Wednesday evening.

Ksea... A front near the terminal will move east by midnight with
southwesterly winds picking up. Wind speeds were boosted a little
during an earlier amendment and still looks good for the 06z taf
issuance.VFR CIGS with showers will likely become more MVFR by
midnight through early Wednesday morning with showers decreasing. A
convergence zone could be active, nearing the ksea/kbfi terminals by
late Wednesday afternoon. A wind shift to westerly or north-
northwesterly may occur, best chance 00z-05z early Wednesday
evening. Outside any convergence zone, CIGS should generally improve
toVFR by late Wednesday morning. Dtm

Marine Onshore flow will increase behind a front tonight.

Expanded small craft winds to most waters for post frontal onshore
west-southwesterly winds. A stronger westerly push is anticipated in
the central/east strait, thus a gale warning is up for Wednesday
afternoon through much of Wednesday night. Small craft winds may
continue over other waters near the east entrance to the strait. Dtm

Sew watches/warnings/advisories
Wa... None.

Pz... Small craft advisory until midnight pdt Wednesday night for
admiralty inlet-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-
northern inland waters including the san juan islands.

Small craft advisory until 11 am pdt Wednesday for central u.S.

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

Gale warning from 11 am Wednesday to 3 am pdt Thursday for
central u.S. Waters strait of juan de fuca-east entrance
u.S. Waters strait of juan de fuca.

Small craft advisory until 8 am pdt Wednesday for puget sound
and hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PBFW1 - Padilla Bay Reserve, WA 8 mi85 min SSE 5.1 50°F 1008 hPa46°F
SISW1 - Smith Island, WA 18 mi55 min SE 19 G 21 50°F 1006.5 hPa (-1.1)
FRDW1 - 9449880 - Friday Harbor, WA 22 mi79 min ESE 7 G 9.9 50°F 49°F1007.2 hPa
CHYW1 - 9449424 - Cherry Point, WA 26 mi43 min ESE 7 G 9.9 1007.1 hPa
CPMW1 26 mi43 min E 8 G 11 51°F
PTWW1 - 9444900 - Port Townsend, WA 29 mi43 min SE 13 G 18 50°F 49°F1007.6 hPa
46088 - New Dungeness, WA (Hein Bank) 32 mi35 min SE 18 G 19 50°F 48°F3 ft1005.2 hPa46°F

Wind History for Friday Harbor, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington/Mount Vernon, Skagit Regional Airport, WA10 mi80 minN 010.00 miOvercast50°F44°F82%1007.8 hPa
Whidbey Island, Naval Air Station, WA11 mi59 minSE 1110.00 miOvercast52°F44°F75%1008.1 hPa
Bellingham, Bellingham International Airport, WA20 mi62 minN 010.00 miLight Rain50°F46°F89%1008.2 hPa
Eastsound, Orcas Island Airport, WA21 mi60 minSSE 310.00 miFair50°F42°F76%1006.4 hPa
Friday Harbor, Friday Harbor Airport, WA22 mi62 minE 1010.00 miOvercast51°F45°F80%1007 hPa

Wind History from BVS (wind in knots)
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Last 24hrS5SE34S4CalmSE5SE5SE6SE6SE8SE5SE10S9
G14
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1 day agoSE6
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SE8SE55SE66SE44CalmE5CalmCalmW6NW8W11
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W11NW14NW13NW12NW10NW6W5CalmCalm
2 days agoSE11
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Tide / Current Tables for Anacortes, Guemes Channel, Washington
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Anacortes
Click for Map
Wed -- 04:53 AM PDT     8.16 feet High Tide
Wed -- 05:18 AM PDT     New Moon
Wed -- 05:58 AM PDT     Sunrise
Wed -- 06:34 AM PDT     Moonrise
Wed -- 11:10 AM PDT     -0.49 feet Low Tide
Wed -- 06:20 PM PDT     7.77 feet High Tide
Wed -- 08:18 PM PDT     Sunset
Wed -- 08:44 PM PDT     Moonset
Wed -- 11:25 PM PDT     3.57 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.54.55.76.97.88.27.66.141.80.2-0.5-0.20.92.44.15.777.77.66.75.44.33.6

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

Wed -- 12:23 AM PDT     0.00 knots Slack
Wed -- 02:18 AM PDT     1.11 knots Max Flood
Wed -- 03:54 AM PDT     -0.00 knots Slack
Wed -- 05:18 AM PDT     New Moon
Wed -- 05:59 AM PDT     Sunrise
Wed -- 06:34 AM PDT     Moonrise
Wed -- 09:05 AM PDT     -3.27 knots Max Ebb
Wed -- 12:53 PM PDT     0.00 knots Slack
Wed -- 03:08 PM PDT     1.67 knots Max Flood
Wed -- 05:55 PM PDT     -0.00 knots Slack
Wed -- 08:18 PM PDT     Sunset
Wed -- 08:44 PM PDT     Moonset
Wed -- 09:48 PM PDT     -1.94 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.30.51.10.8-0.1-0.9-1.8-2.5-3-3.3-3-2.2-1.10.11.21.71.40.8-0.1-0.8-1.4-1.8-1.9-1.6

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 (1,6,7,8)
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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.