Tuesday, October24, 2017 L-36.com


Marine Weather and Tides
Friday Harbor, 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 7:47AMSunset 6:07PM Tuesday October 24, 2017 4:06 AM PDT (11:06 UTC) Moonrise 11:24AMMoonset 8:30PM Illumination 18% Phase: Waxing Crescent; Moon at 4 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- 300 Am Pdt Tue Oct 24 2017
Today..N wind to 10 kt becoming nw in the afternoon. Wind waves 1 ft or less. Patchy fog in the morning.
Tonight..NW wind to 10 kt becoming sw 5 to 15 kt after midnight. Wind waves 2 ft or less. A chance of showers after midnight.
Wed..S wind 10 to 20 kt becoming W to nw in the afternoon, except nw 15 to 25 kt near point roberts. Wind waves 1 to 3 ft except 2 to 4 ft near point roberts. A chance of showers.
Wed night..N wind 5 to 15 kt. Wind waves 2 ft or less.
Thu..NW wind 5 to 15 kt. Wind waves 2 ft or less.
Thu night..N wind 5 to 15 kt. Wind waves 2 ft or less.
Fri..NW wind 5 to 15 kt becoming light. Wind waves 2 ft or less becoming less than 1 ft.
Sat..Light wind becoming nw to 10 kt. Wind waves 1 ft or less.
PZZ100 300 Am Pdt Tue Oct 24 2017
Synopsis for the northern and central washington coastal and inland waters..A surface ridge centered over the pacific northwest will maintain weak N to ne offshore flow through this evening. A weak cold front will move south across the area on Wednesday. Northerly offshore flow will prevail Thursday and Friday as a surface ridge builds over southern british columbia.

7 Day Forecast for Marine Location Near Friday Harbor town, WA
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location: 48.62, -123.15     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 240948
afdsew
area forecast discussion
national weather service seattle wa
248 am pdt Tue oct 24 2017

Synopsis High pressure aloft will provide dry weather today.

A weak front will move through the area Wednesday with some light
rain. Dry weather will return Thursday and should prevail through
the weekend. Areas of fog are likely late in the week.

Short term An upper ridge over the area will produce a dry and
sunny day today after some patchy morning fog. Highs will be a few
degrees above normal.

A weakening front will bring a little rain Wednesday. Precipitation
chances will be highest near the coast with lesser chances inland
as the front falls apart. Highs will cool to near normal.

A few showers will linger into Wednesday evening as the front
shifts inland and dissipates. High pressure aloft will rebuild
over the area from the west Thursday for another dry day.

Schneider

Long term A strong upper ridge will be the main weather feature
Friday through Monday for dry weather. Night and morning fog is
possible each day in this pattern.

Recent model runs show a weak upper trough bringing a few showers
Sunday. The forecast is dry for now but a chance of showers might
need to be introduced to the forecast if models remain consistent
with this feature. Schneider

Aviation A strong upper level ridge will remain over the pacnw
through 06z. The air mass will be dry and stable except for patchy
morning fog or low stratus through about 19z. A weak cold front
moving down the b.C. Coast will move S across W wa on Wednesday.

Ksea... Clear skies today. It is looking less likely that patchy
morning fog or low stratus will reach the terminal this morning.

However, I will still keep a few006 group in the ksea TAF after
12z to address the remote possibility. Surface winds will be
northerly up to 7 kt. Kam

Marine A surface ridge centered over the pacific northwest
will maintain weak N to NE offshore flow through this evening. A
weak cold front will move south across the area on Wednesday.

Ahead of the front early Wednesday, W flow in the central strait
could reach SCA levels. NW flow behind the front Wednesday
afternoon will reach SCA levels over the coastal waters. There
could be some borderline SCA NW winds near point roberts behind
the front on Wednesday.

Northerly offshore flow will prevail Thursday and Friday as a
surface ridge builds over southern british columbia and a
thermally induced surface trough forms along the oregon coast.

Kam

Hydrology River flooding is not expected for the next 7 days.

Sew watches warnings advisories
Wa... None.

Pz... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FRDW1 - 9449880 - Friday Harbor, WA 9 mi90 min E 1 G 4.1 51°F 50°F1037.2 hPa
SISW1 - Smith Island, WA 26 mi66 min WSW 2.9 G 4.1 50°F 1036.9 hPa (-0.9)
CHYW1 - 9449424 - Cherry Point, WA 27 mi48 min N 2.9 G 2.9 49°F 50°F1036.4 hPa
CPMW1 27 mi48 min NW 1.9 G 1.9 49°F 50°F
PBFW1 - Padilla Bay Reserve, WA 38 mi96 min NNE 4.1 48°F 1037 hPa45°F
PTAW1 - 9444090 - Port Angeles, WA 38 mi90 min 6 G 8 47°F 49°F1037.5 hPa
PTWW1 - 9444900 - Port Townsend, WA 41 mi48 min WSW 7 G 8.9 50°F 51°F1037.2 hPa

Wind History for Friday Harbor, WA
(wind in knots)    EDIT      (on/off)   Help
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SW14
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E10
G14
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Friday Harbor Airport, WA10 mi13 minNW 39.00 miFair49°F46°F93%1036.9 hPa
Eastsound, Orcas Island Airport, WA15 mi11 minVar 310.00 miFair50°F46°F88%1036.9 hPa

Wind History from FHR (wind in knots)
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Last 24hrCalmE33NE5NE4NE3E44SE3E33CalmNE3CalmCalmCalmCalmNW3CalmCalmCalmNW4N4NW3
1 day agoSW7
G15
--SW6SW9SW6SW10
G15
SW7SW10
G23
SW9
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S5S5SW54SW4CalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoSE10
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G24
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G27
E15E13
G22
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G25
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SE12
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G21
S14
G22
S7S6S8S6S4SW6SW3W9
G15

Tide / Current Tables for Roche Harbor, San Juan Island, Washington
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Roche Harbor
Click for Map
Tue -- 01:55 AM PDT     -0.34 feet Low Tide
Tue -- 07:47 AM PDT     Sunrise
Tue -- 09:38 AM PDT     7.16 feet High Tide
Tue -- 12:23 PM PDT     Moonrise
Tue -- 03:17 PM PDT     5.16 feet Low Tide
Tue -- 06:05 PM PDT     Sunset
Tue -- 07:14 PM PDT     6.00 feet High Tide
Tue -- 09:30 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.9-0-0.30.11.12.545.36.47.17.16.86.35.75.35.25.25.55.865.95.44.53.2

Tide / Current Tables for Limestone Point, Spieden Channel, Washington Current
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Limestone Point
Click for MapFlood direction 85 true
Ebb direction 283 true

Tue -- 02:30 AM PDT     0.00 knots Slack
Tue -- 05:22 AM PDT     2.13 knots Max Flood
Tue -- 07:46 AM PDT     Sunrise
Tue -- 08:23 AM PDT     -0.00 knots Slack
Tue -- 12:23 PM PDT     Moonrise
Tue -- 12:24 PM PDT     -1.95 knots Max Ebb
Tue -- 04:07 PM PDT     0.00 knots Slack
Tue -- 05:29 PM PDT     0.62 knots Max Flood
Tue -- 06:05 PM PDT     Sunset
Tue -- 06:37 PM PDT     -0.00 knots Slack
Tue -- 09:30 PM PDT     Moonset
Tue -- 11:50 PM PDT     -2.69 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-2.8-1.9-0.70.51.52.121.30.4-0.5-1.2-1.7-1.9-1.9-1.5-0.9-0.10.50.5-0.2-0.9-1.6-2.2-2.6

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 (7,2,3,4)
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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.