Thursday, June22, 2017 L-36.com


Marine Weather and Tides
Woodinville, 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 5:09AMSunset 9:13PM Thursday June 22, 2017 4:59 PM PDT (23:59 UTC) Moonrise 3:17AMMoonset 6:34PM Illumination 2% Phase: Waning Crescent; Moon at 28 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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PZZ135 Puget Sound And Hood Canal- 243 Pm Pdt Thu Jun 22 2017
.small craft advisory in effect until 11 pm pdt this evening...
Tonight..NW wind 15 to 25 kt becoming ne 5 to 15 after midnight. Wind waves 2 to 4 ft subsiding to 2 ft or less after midnight.
Fri..N wind 5 to 15 kt. Wind waves 2 ft or less.
Fri night..N wind 5 to 15 kt becoming ne after midnight. Wind waves 2 ft or less.
Sat..N wind to 10 kt rising to 5 to 15 kt in the afternoon. Wind waves 2 ft or less.
Sat night..N wind 5 to 15 kt becoming to 10 kt after midnight. Wind waves 2 ft or less.
Sun..N wind to 10 kt. Wind waves 1 ft or less.
Sun night..N wind to 10 kt. Wind waves 1 ft or less.
Mon..Light wind becoming nw 5 to 15 kt. Wind waves 2 ft or less.
Tue..S wind to 10 kt. Wind waves 1 ft or less.
PZZ100 243 Pm Pdt Thu Jun 22 2017
Synopsis for the northern and central washington coastal and inland waters..A surface ridge over the pacific along with a strong heat low over california and southern oregon will set up northerly gradients over the waters through Sat night. Weak gradients are expected Sunday, then onshore flow will quickly increase on Sunday night.

7 Day Forecast for Marine Location Near Woodinville, WA
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location: 47.75, -122.17     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 222151
afdsew
area forecast discussion
national weather service seattle wa
251 pm pdt Thu jun 22 2017

Synopsis A building upper ridge offshore will move into western
washington by Sunday then east of the cascades early next week.

This ridge, combined with low level offshore flow, will provide
dry weather and a warming trend through the weekend. Onshore flow
will develop Sunday night or Monday ushering some cooler marine
air into the area. Dry weather will persist through the middle of
next week, but night and morning clouds will return Monday or
Tuesday.

Short term A building ridge along 135w combined with developing
northerly flow is resulting in clear skies across the region. Low
level offshore flow is resulting in the development of a low level
thermal trough over northern california and southern oregon. This
trough will develop northward along the oregon and washington
coasts Friday through Saturday, then shift into the interior of
western washington Sunday afternoon as offshore flow increases
northward and the upper ridge moves across the area.

Northwest to north flow today has kept the air mass rather cool
after this morning's chilly start. Good radiational cooling and a
dry air mass will result in another chilly night tonight
(especially in outlying valleys). Significant warming will begin
on Friday as northerly pressure gradients gradually shift to
northeasterly. High temperatures on Friday will be in the 70s,
except lower to mid 80s several miles east of puget sound and in
the interior south of seattle.

Warming will really ramp up on Saturday as adiabatic compression
does its job at lower levels and temperatures aloft warm with the
incoming upper ridge. Offshore flow will be aided by the
development of a thermally induced trough to the south and
southwest of the area. Temperatures will rise well into the 80s
most areas with some lower 90s seen inland from the beaches on the
north coast, a few miles east of puget sound, and in the interior
south of seattle.

Continued offshore flow Saturday night will result in a warm night
across much of the area, especially in the seattle area and in the
foothills of the cascades and olympics. Lows will be in the 50s,
with some portions of seattle possibly staying near 60.

Sunday will be the hottest day of this mini heat wave as the
thermal trough shifts into the western washington interior. With
850 mb temperatures rising to 21c in seattle, the forecast high
of 92 at seatac airport should be easy to hit. From shelton and
tacoma southward along the i-5 corridor and westward through the
chehalis gap, many locations will see mid 90s. The coast will see
its maximum temperature earlier in the afternoon as pressure
gradients transition to onshore, so highs there will be a bit
cooler than on Saturday.

Models are generally consistent with previous solutions, and only
minor updates were made to the forecast. Albrecht

Long term The long-wave upper ridge axis shifts east of the
area Sunday night and Monday. Many models are rather robust in
shifting pressure gradients onshore as the ridge moves eastward
Sunday evening, resulting in significant cooling on Monday.

However, there is the hint of a short wave ridge offshore at the
mid levels that would only result in a partial marine push Sunday
night, with a more significant one Monday evening. Our current
forecast reflects the latter scenario and results in cooling for
Monday, but still warm in the puget sound area and near the
cascades.

After a stronger marine push on Monday, a weak trough of low
pressure aloft combined with moderate onshore flow will result in
night and morning clouds and temperatures near to slightly below
average Tuesday onward. Albrecht

Aviation An upper level ridge will slowly move eastward this
afternoon and through this weekend... Keeping northwesterly flow
aloft in place over the area. This will allow for continued dry and
stable conditions as well as persisting clear skies.

Ksea... Clear to mostly clear skies expected to remain over the
terminal for the entirety of the TAF forecast period. Winds
remaining northerly at 6-12 kts. Smr

Marine A northeast-southwest oriented surface ridge will remain
over the pacific through Saturday. Meanwhile, a strong heat low over
california and southern oregon will set up northerly gradients over
the waters. Winds over the coastal waters look to increase back into
sca territory by late this afternoon early this evening... And as
such will be putting up a small craft advisory with the afternoon
forecast package. Gradients will weaken on Sunday, then onshore flow
will quickly increase on Sunday night. Haner smr

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory from 5 pm this afternoon to 2 am pdt Friday
for 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.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EBSW1 - 9447130 - Seattle, WA 14 mi59 min NW 12 G 14 69°F 53°F1024.4 hPa (-1.0)
WPOW1 - West Point, WA 15 mi59 min N 6 G 8 61°F 1024.7 hPa (-1.1)53°F
TCMW1 - 9446482 - Tacoma Met, WA 35 mi59 min N 8.9 G 11
TCNW1 - 9446484 - Tacoma, WA 36 mi59 min 73°F 52°F1024.5 hPa (-0.9)
PTWW1 - 9444900 - Port Townsend, WA 40 mi59 min WNW 7 G 9.9 67°F 52°F1025.7 hPa (-1.1)
46121 44 mi101 min 7.8 67°F 1023.6 hPa49°F

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA12 mi66 minNW 910.00 miFair68°F48°F49%1024.9 hPa
Boeing Field - King County International Airport, WA17 mi66 minNW 910.00 miFair72°F48°F43%1024.2 hPa
Renton Municipal Airport, WA17 mi66 minNW 1010.00 miFair75°F51°F43%1024.4 hPa
Seattle, Seattle-Tacoma International Airport, WA23 mi66 minNW 910.00 miFair73°F46°F40%1025.1 hPa

Wind History from PAE (wind in knots)
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Last 24hrN7W8W7W5NW3CalmNW43NW5NW3E3NE3CalmN3NW5NW4N43N6NW7NW8NW6N8NW9
1 day agoN10
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NW5N7N4N6CalmN4N4NE4CalmN43NW434NW56N5
2 days ago5NW6CalmCalmW3CalmCalmCalmCalmCalmCalmCalmCalmCalmS3SE4S4SE7SW6W7NW6N5N8N9

Tide / Current Tables for Meadowdale, Washington
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Meadowdale
Click for Map
Thu -- 03:10 AM PDT     4.77 meters High Tide
Thu -- 04:17 AM PDT     Moonrise
Thu -- 05:10 AM PDT     Sunrise
Thu -- 10:12 AM PDT     0.48 meters Low Tide
Thu -- 05:26 PM PDT     4.60 meters High Tide
Thu -- 07:35 PM PDT     Moonset
Thu -- 09:12 PM PDT     Sunset
Thu -- 10:38 PM PDT     3.07 meters Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.74.14.54.84.64.23.42.61.60.90.50.61.222.93.74.34.64.64.443.53.13.1

Tide / Current Tables for President Point, 1.5 mile E of, Washington Current
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President Point
Click for MapFlood direction 203 true
Ebb direction 24 true

Thu -- 12:17 AM PDT     0.24 knots Max Flood
Thu -- 03:02 AM PDT     -0.00 knots Slack
Thu -- 04:18 AM PDT     Moonrise
Thu -- 05:11 AM PDT     Sunrise
Thu -- 06:37 AM PDT     -0.81 knots Max Ebb
Thu -- 11:04 AM PDT     0.00 knots Slack
Thu -- 01:34 PM PDT     0.61 knots Max Flood
Thu -- 05:37 PM PDT     -0.00 knots Slack
Thu -- 07:35 PM PDT     Moonset
Thu -- 07:47 PM PDT     -0.43 knots Max Ebb
Thu -- 09:12 PM PDT     Sunset
Thu -- 11:39 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.20.10-0.3-0.6-0.8-0.8-0.7-0.5-0.3-00.30.60.60.50.30.1-0.1-0.4-0.4-0.4-0.3-0.1

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 (19,4,5,8)
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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.