Saturday, July21, 2018 L-36.com


Marine Weather and Tides
Seattle, WA

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7/21/2018 Trying to make page Mobile Friendly

Sunrise 5:32AMSunset 8:59PM Saturday July 21, 2018 6:24 PM PDT (01:24 UTC) Moonrise 2:47PMMoonset 12:22AM Illumination 67% Phase: Waxing Gibbous; Moon at 9 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- 317 Pm Pdt Sat Jul 21 2018
Tonight..N wind 5 to 15 kt becoming ne after midnight. Wind waves 2 ft or less.
Sun..N wind 5 to 15 kt. Wind waves 2 ft or less.
Sun night..N wind 5 to 15 kt becoming ne after midnight. Wind waves 2 ft or less.
Mon..Light wind becoming N to 10 kt in the afternoon. Wind waves 1 ft or less.
Mon night..N wind to 10 kt. Wind waves 1 ft or less.
Tue..Light wind becoming N to 10 kt in the afternoon. Wind waves 1 ft or less.
Tue night..N wind to 10 kt becoming S after midnight. Wind waves 1 ft or less.
Wed..Light wind becoming sw to 10 kt. Wind waves less than 1 ft becoming 1 ft or less.
Thu..Light wind becoming variable to 10 kt. Wind waves less than 1 ft.
PZZ100 317 Pm Pdt Sat Jul 21 2018
Synopsis for the northern and central washington coastal and inland waters..High pressure over the northeast pacific will shift over british columbia tonight and Sunday. The flow will become light northerly or offshore and persist through early next week.

7 Day Forecast for Marine Location Near Seattle, WA
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location: 47.68, -122.41     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 212226 cca
afdsew
area forecast discussion
national weather service seattle wa
325 pm pdt Sat jul 21 2018

Synopsis Some high clouds were drifting down out of british
columbia this afternoon in northerly flow aloft. An upper trough
over the pacific northwest is moving inland. Sunny skies with much
above average temperatures are on tap for the week ahead.

Short term Cirrus arrived in the northerly flow out of b.C.

This afternoon, but otherwise fair skies prevail. The upper trough
will move inland and the air will warm through Monday. Strong
surface high pressure will remain offshore through the week and
thermally induced lower pressure will remain centered inland--so
typical sea breezes will develop each day keeping the coast cooler
than the interior--with some morning low clouds or fog a pretty good
bet for the ocean beaches. Highs will range from the 70s along the
coast, to the 80s just a little inland, to the lower 90s Monday and
Tuesday in the normally warmer interior areas away from the water.

The GFS 850mb temp are around 17.5c at 00z through Tuesday.

Long term Much above average temps are likely to continue
through the week. There is little variation in the day to day
guidance through the work week. Upper heights fall off a little
around Thursday, but the 850mb temp actually warms a tad, so seattle
will probably be flirting with 90 each day. Then, both the GFS and
ecmwf heat things up some more for next weekend (the main western
u.S. Ridge phases with ridging in the NE pacific) and 1000-500mb
thickness get up around 580dm over western washington with forecast
850mb temps up around 22c. So next weekend could be a hot one and
we will have to push the forecast away from climo and toward a heat
wave if the global models persist in this idea.

Aviation The pacific northwest will remain between weather
systems through Sunday. Light westerly flow will shift to light
northerly flow late tonight and Sunday. Air mass stable and mainly
dry in the mid and upper levels. A moist marine air mass in the
lower levels will dry somewhat by Sunday, except along the coast.

Ksea... Northerly wind 5 to 10 kt becoming northeast to 6 kt around
06z tonight. Stratus not expected. Dtm

Marine Onshore flow will persist tonight. A small craft advisory
is in effect for the central eastern strait with a few hours of
winds up to 25 kt expected. Surface high pressure shifts over b.C.

Sunday into early next week with northerly winds.

Sew watches warnings advisories
Wa... None.

Pz... Fuca from 6 pm pdt this evening through midnight tonight.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPOW1 - West Point, WA 2 mi84 min N 11 G 11 64°F 1021.6 hPa (+0.0)52°F
EBSW1 - 9447130 - Seattle, WA 7 mi36 min NNW 2.9 G 8 1021.4 hPa
46125 19 mi32 min 5.8 63°F 1020.8 hPa53°F
TCMW1 - 9446482 - Tacoma Met, WA 28 mi42 min N 9.9 G 12
TCNW1 - 9446484 - Tacoma, WA 29 mi42 min 73°F 55°F1021.3 hPa
PTWW1 - 9444900 - Port Townsend, WA 35 mi42 min W 5.1 G 8.9 71°F 53°F1022.4 hPa

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boeing Field - King County International Airport, WA12 mi31 minNW 8 G 1510.00 miA Few Clouds76°F41°F29%1020.9 hPa
Renton Municipal Airport, WA16 mi31 minNW 810.00 miFair78°F46°F32%1021.3 hPa
Everett Snohomish County, WA17 mi31 minNNW 710.00 miFair71°F48°F44%1021.9 hPa
Seattle, Seattle-Tacoma International Airport, WA17 mi31 minN 10 G 1710.00 miA Few Clouds77°F43°F30%1021.9 hPa
Bremerton, Bremerton National Airport, WA24 mi28 minNE 11 G 1510.00 miFair75°F48°F40%1023 hPa

Wind History from BFI (wind in knots)
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Last 24hrW73NW5NW5NW46N3N33CalmCalmCalmCalmCalmCalmNW653364546
1 day agoW7W4W4SW4CalmCalmNW4W43CalmN53CalmSW4SW4SE655SW643SW653
2 days ago----S8NW5NW34CalmCalmCalmSW4SW4S5SE6SE8S7S7S8S6S75SW9SW65W5

Tide / Current Tables for Meadow Point, Shilshole Bay, Washington
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Meadow Point
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Sat -- 12:10 AM PDT     11.05 feet High Tide
Sat -- 01:22 AM PDT     Moonset
Sat -- 05:33 AM PDT     Sunrise
Sat -- 07:21 AM PDT     1.21 feet Low Tide
Sat -- 02:14 PM PDT     8.39 feet High Tide
Sat -- 03:46 PM PDT     Moonrise
Sat -- 06:54 PM PDT     5.65 feet Low Tide
Sat -- 08:57 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1110.89.77.95.73.621.31.42.33.75.46.97.98.48.27.56.65.95.766.889.3

Tide / Current Tables for Alki Point, 0.3 miles W of, Washington Current
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Alki Point
Click for Map
Sat -- 01:22 AM PDT     Moonset
Sat -- 03:38 AM PDT     -0.63 knots Max Ebb
Sat -- 05:33 AM PDT     Sunrise
Sat -- 07:48 AM PDT     0.00 knots Slack
Sat -- 10:22 AM PDT     0.46 knots Max Flood
Sat -- 01:52 PM PDT     -0.00 knots Slack
Sat -- 03:46 PM PDT     Moonrise
Sat -- 04:23 PM PDT     -0.28 knots Max Ebb
Sat -- 07:33 PM PDT     0.00 knots Slack
Sat -- 08:57 PM PDT     Sunset
Sat -- 09:51 PM PDT     0.30 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0-0.3-0.5-0.6-0.6-0.5-0.4-0.20.10.30.50.40.30.2-0-0.2-0.3-0.3-0.2-0.10.10.20.30.2

Weather Map and Satellite Images
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wmap_P
GOES Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Seattle, WA (21,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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.