Sunday, May28, 2017 L-36.com


Marine Weather and Tides
Edison, 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 5:11AMSunset 9:03PM Sunday May 28, 2017 1:41 AM PDT (08:41 UTC) Moonrise 7:27AMMoonset 11:03PM Illumination 8% Phase: Waxing Crescent; Moon at 3 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- 901 Pm Pdt Sat May 27 2017
Tonight..Variable wind 10 kt or less. Wind waves 1 ft or less.
Sun..Variable wind 10 kt or less. Wind waves 1 ft or less.
Sun night..SW wind rising to 15 to 25 kt. Wind waves building to 1 to 4 ft.
Mon..SW wind 10 to 20 kt. Wind waves 3 ft or less.
Mon night through Tue night..SW wind 15 to 25 kt. Wind waves 1 to 4 ft.
Wed..S wind 10 to 20 kt. Wind waves 3 ft or less.
Thu..Variable wind 10 kt or less. Wind waves 1 ft or less.
PZZ100 901 Pm Pdt Sat May 27 2017
Synopsis for the northern and central washington coastal and inland waters..Light onshore flow will become nearly flat or neutral overnight before becoming onshore again Sunday afternoon. Stronger onshore flow is expected Sunday night through Tue.

7 Day Forecast for Marine Location Near Edison, WA
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location: 48.65, -122.5     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 280426
afdsew
area forecast discussion
national weather service seattle wa
926 pm pdt Sat may 27 2017

Synopsis A strong upper level ridge over western washington
will move slowly east into eastern washington Sunday and memorial
day. It will remain clear and warm in the interior while shallow
marine moisture affects the coastal zones. Increasing onshore
flow will cool temperatures starting on Tuesday and southerly flow
aloft will bring a chance of showers to the area. Weak
disturbances may bring a chance of showers to the area into the
end of the week.

Short term A strong upper level ridge is sitting over western
washington this evening. At the surface, high pressure is seen
over the offshore waters while a weak thermally induced trough
sits from the southern cascades southward into northeastern
california. Satellite imagery shows clear skies over the interior
of western washington. Shallow and locally dense fog can be seen
from around CAPE flattery southward along the immediate coastline
to just east of westport and down onto the oregon coast. The fog
and stratus will develop inland about 25 miles or so late tonight
into early Sunday morning then burn back to the coastline during
the afternoon hours. High temperatures in the interior on Sunday
will be up to a couple degrees higher than today in the interior
and a few degrees cooler on the coast.

The incoming GFS looks stronger with the onshore flow for Sunday
night and Monday. This is somewhat at odds with the earlier gfs
solutions and with the ecmwf, though with the increasing thermal
gradients between the coast and the interior make the forecast
pressure gradients plausible. But the slower ECMWF may also be
correct. Forecast models always have a very hard time forecasting
the details of a shallow marine layer offshore and its progression
inland, especially when upper level forcing is weak with a slowly
eastward moving ridge. At this time the forecast shows stratus
and fog spreading further inland, into the strait of juan de fuca
and into the chehalis gap, late Sunday night into Monday as
pressure gradients become increasingly onshore over the next day
and a half. If the GFS is correct, it could spread further inland
and be a bit deeper. The forecast shows high temperatures on
memorial day are now about 5 degrees cooler than Sunday. The
incoming gfs, if correct, would indicate a bigger cool down near
the puget sound westward, but still rather warm to hot near the
cascades and in the cascade valleys.

Expect strong inflow through the gaps in the terrain and the
strait of juan de fuca by Monday evening. This will result in a
deep marine layer and good cooling for Tuesday. Southerly flow
aloft and height falls associated with an approaching shortwave
trough will give an increasing chance of showers to the area
Tuesday or Tuesday night, and there could be a few thunderstorms
as well.

Gridded forecasts were massaged to account for the fog and low
clouds through the strait of juan de fuca and onto the coast this
evening. Otherwise the short term forecasts are reasonable for
now. Albrecht

Long term From the previous long term discussion: a chance of
showers will linger with cooler temps and marine air mass. The
best chance of showers may turn out to be Tuesday night and
Wednesday as a shortwave trough moves through the area--the 12z
gfs is wetter than the ecmwf. Then, for the rest of the week the
showers look pretty few and far between except perhaps on Friday,
but pops are still pretty low for now and the extended forecast
hasn't been changed much.

Aviation An upper level ridge will remain over the region for sw
flow aloft. Weak low level onshore flow will become flat overnight.

Expect areas of lifr CIGS and vsbys at the coast to become a little
more wdsprd overnight.

Ksea...VFR. Winds will generally be light nly.

Marine
Weak onshore flow will become nearly flat or neutral overnight.

This will allow areas of dense fog on the coastal waters and west
entrance to the strait of juan de fuca to persist through at least
Sunday morning.

High pressure will strengthen some over the offshore waters during
the day Sunday. This combined with lowering pressure east of the
cascades will result in strengthening onshore flow on Sunday. It
now appears that gale force winds may be a possibility over parts of
the strait of juan de fuca Sunday night, especially with afternoon
temperatures remaining quite warm over the interior lowlands in
comparison to the cooler coast. Expect moderately strong onshore
flow to prevail Monday and Tuesday.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until 1 am pdt Sunday for central u.S.

Waters strait of juan de fuca.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46118 7 mi56 min SE 3.9 61°F 1017.4 hPa56°F
PBFW1 - Padilla Bay Reserve, WA 13 mi71 min Calm 54°F 1018 hPa51°F
CPMW1 20 mi41 min ESE 2.9 G 4.1 57°F
CHYW1 - 9449424 - Cherry Point, WA 20 mi41 min SE 2.9 G 4.1 1017.9 hPa (+0.5)
FRDW1 - 9449880 - Friday Harbor, WA 28 mi65 min WSW 4.1 G 5.1 54°F 51°F1018.2 hPa
SISW1 - Smith Island, WA 29 mi41 min SSE 1.9 G 2.9 51°F 1018.3 hPa (+0.4)
PTWW1 - 9444900 - Port Townsend, WA 40 mi41 min SSW 1.9 G 2.9 53°F 51°F1018.9 hPa (+0.4)
46088 - New Dungeness, WA (Hein Bank) 41 mi51 min WSW 9.7 G 12 51°F 50°F1 ft1017.2 hPa (+0.0)49°F

Wind History for Cherry Point, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bellingham, Bellingham International Airport, WA10 mi48 minN 010.00 miFair58°F54°F87%1018.4 hPa
Burlington/Mount Vernon, Skagit Regional Airport, WA13 mi46 minN 08.00 miFair55°F51°F88%1018.3 hPa
Eastsound, Orcas Island Airport, WA22 mi46 minSSE 510.00 miFair57°F51°F82%1017.9 hPa
Whidbey Island, Naval Air Station, WA22 mi1.8 hrsESE 310.00 miFair54°F46°F75%1019.4 hPa

Wind History from BLI (wind in knots)
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Last 24hrS3CalmCalmCalmCalmCalmCalmCalmN335NW6NW64W5W5W4CalmW4W3CalmCalmCalmCalm
1 day agoCalmCalmCalmCalmCalmCalmCalm4N3CalmNW54NW5W5SW63W3CalmCalmCalmCalmS3CalmS3
2 days agoCalmCalmCalmCalmCalmS4SE4SE3CalmCalmW856W75W4W4S4S3S3S5S7S5Calm

Tide / Current Tables for Chuckanut Bay, Washington
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Chuckanut Bay
Click for Map
Sun -- 01:24 AM PDT     5.75 feet Low Tide
Sun -- 05:14 AM PDT     Sunrise
Sun -- 06:15 AM PDT     8.16 feet High Tide
Sun -- 08:27 AM PDT     Moonrise
Sun -- 01:29 PM PDT     -2.86 feet Low Tide
Sun -- 09:00 PM PDT     Sunset
Sun -- 09:13 PM PDT     9.31 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.25.85.96.47.17.78.187.15.32.90.4-1.6-2.7-2.7-1.60.22.44.76.98.59.39.18.2

Tide / Current Tables for Sinclair Island, 1 mile NE of, Washington Current
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Sinclair Island
Click for MapFlood direction 307 true
Ebb direction 112 true

Sun -- 12:43 AM PDT     -0.62 knots Max Ebb
Sun -- 03:51 AM PDT     0.00 knots Slack
Sun -- 05:15 AM PDT     Sunrise
Sun -- 05:46 AM PDT     0.08 knots Max Flood
Sun -- 05:53 AM PDT     -0.00 knots Slack
Sun -- 08:27 AM PDT     Moonrise
Sun -- 12:11 PM PDT     -1.34 knots Max Ebb
Sun -- 03:48 PM PDT     0.00 knots Slack
Sun -- 06:54 PM PDT     0.27 knots Max Flood
Sun -- 09:01 PM PDT     Sunset
Sun -- 09:20 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.6-0.6-0.5-0.200.1-0-0.3-0.5-0.8-1.1-1.3-1.3-1.3-0.9-0.400.10.20.30.20.1-0.2-0.4

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 (4,6,7,8)
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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.