Wednesday, May24, 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 5:16AMSunset 8:58PM Wednesday May 24, 2017 8:15 PM PDT (03:15 UTC) Moonrise 4:03AMMoonset 6:34PM Illumination 0% Phase: New Moon; Moon at 29 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- 249 Pm Pdt Wed May 24 2017
Tonight..SW wind 10 to 20 kt. Wind waves 1 to 3 ft.
Thu..S wind to 10 kt becoming W in the afternoon. Wind waves 1 ft or less.
Thu night..SW wind 5 to 15 kt becoming S 10 to 20 kt after midnight. Wind waves 1 to 3 ft.
Fri..SW wind to 10 kt. Wind waves 1 ft or less.
Fri night..S wind 5 to 15 kt. Wind waves 2 ft or less.
Sat..SE wind to 10 kt becoming nw in the afternoon. Wind waves 1 ft or less.
Sat night..SW wind 5 to 15 kt. Wind waves 2 ft or less.
Sun..S wind to 10 kt becoming sw 5 to 15 kt. Wind waves 2 ft or less.
Mon..NW wind 5 to 15 kt becoming W 15 to 25 kt. Wind waves 2 ft or less building to 2 to 4 ft.
PZZ100 249 Pm Pdt Wed May 24 2017
Synopsis for the northern and central washington coastal and inland waters..High pres will be offshore with lower pres inland. Onshore flow will weaken over the next few days and turn a bit more northerly as a thermal trough develops to the south.

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 242246
afdsew
area forecast discussion
national weather service seattle wa
346 pm pdt Wed may 24 2017

Synopsis Temperatures will slowly rebound on Thursday, 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 Northerly flow aloft will prevail until late
Friday. A disturbance will dive down out of interior b.C. Into
central washington on Thursday, bringing colder air aloft and a
cyclonic turn to the upper flow. The main meteorological impact
will be to steepen low- mid level lapse rates and give rise to
convective instability over the mountains, more notably the
cascades. CAPE values will peak around 400-600 j kg over the
cascades, and northerly mid- level speed shear will enhance lift
and aid some loose organization. So looking for a few late
afternoon and early evening showers and thunderstorms over the
cascades on Thursday pm.

A well-amplified upper ridge axis will pass east across 130w on
Friday. Upper heights will rise quickly over the pac nw, and the
cooling low-level onshore flow component will weaken further.

These things will all support a hearty day-over-day rise in
afternoon temperatures and a dry forecast on Friday.

The upper ridge axis will pass directly over western washington on
Saturday. Haner

Long term The upper ridge axis will move to eastern washington
on Sunday and then stay in place there until Tuesday. The turn to
a mid-upper level southerly flow component will start to support
a couple of afternoon showers and thunderstorms near the cascade
crest each afternoon and evening from Sunday through at least
Tuesday. Seabreezes along the immediate coast will hold afternoon
highs in the 60s there, but inland temperatures will be well above
normal each day.

By next Wednesday, it appears the upper ridge axis to our east
will flatten, with a more zonal flow pattern trying to develop.

Cooling onshore flow will spread further inland, but afternoon
temperatures will still remain above normal. The operational gfs
was cooler than most of its ensembles next wed. Haner

Aviation Northerly flow aloft will prevail tonight and
Thursday with an upper ridge offshore and an upper trough inland.

At the surface, onshore flow will gradually ease with high
pressure offshore and lower pressure inland. The air mass is
stable with areas of low and mid level moisture. The low and mid
levels are expected to dry somewhat tonight but some MVFR low
clouds will probably linger or reform near the coast.

Ksea... Mid clouds are expected to break up this evening.

Northerly wind 5-10 knots will become light after midnight
tonight. Schneider

Marine High pressure will be offshore with lower pressure
inland tonight. Small craft advisory westerly winds over the
coastal waters and strait of juan de fuca will end tonight or
Thursday morning as onshore flow eases. A relatively short period
swell around 10 feet over the coastal waters will also gradually
subside tonight and Thursday morning.

Onshore flow will continue for the next few days but gradually
weaken and turn a bit more northerly by this weekend as a weak
thermal trough develops to the south. Schneider

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until 11 am pdt Thursday for coastal waters
from CAPE flattery to james island 10 to 60 nm-coastal
waters from james island to point grenville 10 to 60 nm-
coastal waters from point grenville to CAPE shoalwater 10
to 60 nm.

Small craft advisory until 11 pm pdt this evening for coastal
waters from CAPE flattery to james island out 10 nm-coastal
waters from james island to point grenville out 10 nm-
coastal waters from point grenville to CAPE shoalwater out
10 nm-west entrance u.S. Waters strait of juan de fuca.

Small craft advisory until midnight pdt tonight for central u.S.

Waters strait of juan de fuca-east 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 8 mi46 min S 1.9 58°F 1014 hPa44°F
46118 15 mi91 min E 5.8 58°F 1013.4 hPa44°F
SISW1 - Smith Island, WA 18 mi76 min S 2.9 G 4.1 55°F 1014.2 hPa (-1.3)
FRDW1 - 9449880 - Friday Harbor, WA 22 mi46 min SSW 5.1 G 6 55°F 51°F1014.3 hPa
CPMW1 26 mi46 min S 8 G 8 57°F
CHYW1 - 9449424 - Cherry Point, WA 26 mi46 min S 8 G 8.9 1013.9 hPa
PTWW1 - 9444900 - Port Townsend, WA 29 mi46 min ENE 2.9 G 4.1 54°F 51°F1014.8 hPa
46088 - New Dungeness, WA (Hein Bank) 32 mi56 min Calm G 1.9 53°F 51°F1 ft1013.6 hPa47°F

Wind History for Friday Harbor, WA
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W13
G34
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G28
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W1
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington/Mount Vernon, Skagit Regional Airport, WA10 mi41 minN 09.00 miMostly Cloudy59°F42°F55%1014.2 hPa
Whidbey Island, Naval Air Station, WA11 mi20 minN 010.00 miMostly Cloudy56°F44°F65%1015.4 hPa
Bellingham, Bellingham International Airport, WA20 mi23 minSSE 310.00 miFair58°F43°F58%1014.5 hPa
Eastsound, Orcas Island Airport, WA21 mi21 minS 610.00 miFair59°F46°F63%1013.9 hPa
Friday Harbor, Friday Harbor Airport, WA22 mi23 minN 010.00 miFair56°F46°F72%1014.4 hPa

Wind History from BVS (wind in knots)
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Last 24hr6
G15
W9
G19
W9
G17
SW76634SW4SW5CalmCalmSW12S6
G15
6S7S7SW3E5E63E6CalmCalm
1 day agoW5CalmCalmCalmCalmCalmCalmCalmCalmSE4E4SE5SE9S9S13
G18
SW17
G23
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G13
SW10SE10S12
G29
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SW7
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2 days agoW8NW4W5E3CalmCalmCalmCalmNE3NE5CalmN4CalmW4NW10W8NW6NW7NW12W14W11
G16
W8NW7W6

Tide / Current Tables for Anacortes, Guemes Channel, Washington
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Anacortes
Click for Map
Wed -- 03:23 AM PDT     8.32 feet High Tide
Wed -- 05:03 AM PDT     Moonrise
Wed -- 05:19 AM PDT     Sunrise
Wed -- 10:06 AM PDT     -1.08 feet Low Tide
Wed -- 05:35 PM PDT     7.50 feet High Tide
Wed -- 07:33 PM PDT     Moonset
Wed -- 08:56 PM PDT     Sunset
Wed -- 10:11 PM PDT     4.55 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.76.87.78.38.27.25.53.31.1-0.5-1.1-0.70.41.93.65.26.67.47.46.85.954.64.7

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 -- 12:59 AM PDT     0.91 knots Max Flood
Wed -- 02:20 AM PDT     -0.00 knots Slack
Wed -- 05:03 AM PDT     Moonrise
Wed -- 05:19 AM PDT     Sunrise
Wed -- 07:49 AM PDT     -3.33 knots Max Ebb
Wed -- 11:52 AM PDT     0.00 knots Slack
Wed -- 02:07 PM PDT     1.61 knots Max Flood
Wed -- 05:10 PM PDT     -0.00 knots Slack
Wed -- 07:33 PM PDT     Moonset
Wed -- 08:46 PM PDT     -1.44 knots Max Ebb
Wed -- 08:56 PM PDT     Sunset
Wed -- 11:58 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.90.3-0.5-1.4-2.2-2.8-3.2-3.3-2.9-2.1-1.10.11.21.61.40.90.1-0.5-1-1.3-1.4-1.1-0.6

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 (23,6,7,8)
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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.