Thursday, March30, 2017 L-36.com


Marine Weather and Tides
Maplewood, WA

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:48AMSunset 7:39PM Thursday March 30, 2017 5:28 PM PDT (00:28 UTC) Moonrise 7:42AMMoonset 10:05PM Illumination 13% 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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PZZ135 Puget Sound And Hood Canal- 231 Pm Pdt Thu Mar 30 2017
Tonight..N wind 5 to 15 kt. Wind waves 1 or 2 ft.
Fri..S wind 5 to 15 kt. Wind waves 1 or 2 ft. Patchy fog in the morning.
Fri night..SW wind to 10 kt becoming S 10 to 20 kt after midnight. Wind waves 1 ft or less building to 1 to 3 ft after midnight. A chance of rain after midnight.
Sat..S wind 5 to 15 kt. Wind waves 1 or 2 ft.
Sat night and Sun..N wind to 10 kt. Wind waves 1 ft or less.
Sun night..N wind to 10 kt becoming sw after midnight. Wind waves 1 ft or less.
Mon..SW wind to 10 kt. Wind waves 1 ft or less.
Tue..S wind 5 to 15 kt. Wind waves 1 or 2 ft.
PZZ100 231 Pm Pdt Thu Mar 30 2017
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will become light on Friday as high pressure builds over the region. A weakening front will reach the coast around daybreak Saturday. Weak high pressure will be over the region early next week and then a front will approach the area Tue.

7 Day Forecast for Marine Location Near Maplewood, WA
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location: 47.33, -122.55     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 302230
afdsew
area forecast discussion
national weather service seattle wa
300 pm pdt Thu mar 30 2017

Synopsis High pressures building over the region tonight and
Friday will provide dry and slightly warmer weather. A weak front
will bring some light rain on Saturday with a lingering trough
providing a chance of showers on Sunday. Somewhat drier conditions
Monday could be followed by some spotty light rain at times through
mid week.

Short term Showers are decreasing in coverage this afternoon as
the trough shifts further eastward away from the area. The puget
sound convergence zone was active this morning but is also
dissipating per latest radar loop. Interestingly, we had a report of
a tornado that briefly touched down in monroe in snohomish county
around 10:30 am pdt this morning. Our survey team was able to
confirm by visual signs and video that captured the vortex, that it
was in fact an ef-0 tornado, the weakest strength on the scale.

There was no lightning detected but radar did show a very faint
broad rotation signal at around that time. Otherwise, it was a
fairly uneventful weather day across most the area.

High pressure will build aloft over the region tonight and Friday.

This will maintain dry weather with high warming into the upper 50s
Friday afternoon, possibly reaching 60 in a couple spots around the
southwest interior. Some high clouds will start to spread in during
the afternoon giving some filtered sunshine but dry weather should
persist through the evening hours over the interior.

The next system will bring a chance of light rain late Friday night
and Saturday. This system will produce only light rain amounts but
much of the area will probably measure a few hundredths or so,
locally more coast and north.

Northwest flow aloft sets up over the region Sunday wit a trough
skirting the area and digging south over the interior pacific
northwest and great basin. QPF on the latest GFS is much less and
spotty compared to past runs. Decided to keep at leas slight chance
pops in the forecast but Sunday could end up with more sunbreaks
than was expected. Highs with onshore flow should cool off a bit,
staying mostly in the 50s.

Long term The gfs/ecmwf have both backed off on systems that were
expected to bring some light rain at times next week. Both models
now show more ridging and keep precipitation mostly offshore with an
amplified ridge over the pacific northwest. High pressure is not as
strong on the GFS as the ECMWF and brushes the area with some light
precipitation at times. With such a dramatic shift in the overall
pattern, I felt it best to just back off on pops but not remove rain
completely. Clearly, solutions are not all that stable and
climatology would dictate a pretty good chance of at least some
light rain at times. If current runs are correct, a couple of the
days next week could be totally dry and much warmer with low or mid
60s possible. Fingers crossed! Mercer

Aviation Northwesterly flow aloft, low level westerly flow
with high pressure to the west and low pressure inland. The air is
moist and somewhat unstable with a few showers that will end this
evening with clearing overnight then increasing cirrus. There might
be a few patches of low clouds or fog Friday morning.

Ksea... Clouds late this afternoon should scatter out this evening, a
light northerly wind should continue, then more or less calm later
tonight.

Marine Westerly flow coastal waters and strait of juan de fuca
will ease tonight as high pressure builds over the area. A weakening
front will reach the coast around daybreak Saturday and then high
pressure should be over the area Sunday and Monday. A front will
near the region Tuesday with strong low pressure far offshore.

Hydrology The skokomish river in mason county fell below flood
stage around 6 am pdt this morning. This downward trend will
continue and the warning was lifted. No other really strong and wet
systems are expected for the next week so flooding is not expected
on area rivers during the next 7 days.

Now that heavy rain has ended, the more immediate heightened risk of
landslides is decreasing. However, soils are still generally
saturated from wet weather this past month. The risk of landslides
will remain somewhat elevated.

Sew watches/warnings/advisories
Wa... None.

Pz... Small craft advisory coastal waters, strait of juan de fuca,
admiralty inlet, grays harbor bar. &&


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCNW1 - 9446484 - Tacoma, WA 8 mi41 min 1024.7 hPa
TCMW1 - 9446482 - Tacoma Met, WA 8 mi41 min NNE 11 G 14
46121 10 mi33 min 9.7 52°F 1024.1 hPa40°F
EBSW1 - 9447130 - Seattle, WA 22 mi41 min W 5.1 G 7 52°F 47°F1024.8 hPa
WPOW1 - West Point, WA 24 mi29 min NNW 1 G 1 50°F 1024.8 hPa (+0.7)39°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tacoma, Tacoma Narrows Airport, WA4 mi36 minVar 610.00 miMostly Cloudy52°F39°F61%1024.6 hPa
Tacoma / McChord Air Force Base, WA12 mi31 minNE 810.00 miA Few Clouds56°F41°F59%1024.5 hPa
Seattle, Seattle-Tacoma International Airport, WA15 mi36 minN 510.00 miMostly Cloudy54°F37°F55%1025.5 hPa
Bremerton, Bremerton National Airport, WA16 mi34 minNE 910.00 miOvercast50°F39°F67%1025.4 hPa
Fort Lewis / Gray U. S. Army Airfield, WA17 mi91 minN 610.00 miMostly Cloudy58°F40°F53%1023.8 hPa
Seattle, Seattle Boeing Field, WA19 mi36 minVar 410.00 miMostly Cloudy53°F39°F59%1024.7 hPa
Pierce County-Thun Field, WA21 mi34 minNE 510.00 mi55°F41°F59%1024.4 hPa
Renton, Renton Municipal Airport, WA21 mi36 minNNW 410.00 miOvercast52°F42°F69%1025.2 hPa

Wind History from TIW (wind in knots)
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Last 24hrSW14
G23
SW11
G18
SW8
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6
G14
SW5SW7S7SW63CalmS4CalmSW4SW6S3SE5S5S54NE7NE76
1 day agoS7S6S5S11S7S17
G24
S9SE4CalmSE3CalmCalmCalmCalmSE5S7S13
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2 days agoSW6S5S7S8S9
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S9S9S8S8S9S8S9S8S10S11S12S14S12
G21
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G22
S14
G22
S11S12S11

Tide / Current Tables for Gig Harbor, Washington
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Gig Harbor
Click for Map
Thu -- 01:21 AM PDT     2.80 feet Low Tide
Thu -- 06:52 AM PDT     Sunrise
Thu -- 07:11 AM PDT     12.45 feet High Tide
Thu -- 08:42 AM PDT     Moonrise
Thu -- 01:52 PM PDT     -0.26 feet Low Tide
Thu -- 07:37 PM PDT     Sunset
Thu -- 08:18 PM PDT     11.85 feet High Tide
Thu -- 11:05 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
42.93.14.679.511.512.41210.485.12.30.3-0.20.835.88.610.811.811.610.38.4

Tide / Current Tables for Gig Harbor Entrance, Washington Current
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Gig Harbor Entrance
Click for Map
Thu -- 01:39 AM PDT     0.00 knots Slack
Thu -- 04:06 AM PDT     1.17 knots Max Flood
Thu -- 06:52 AM PDT     Sunrise
Thu -- 07:10 AM PDT     -0.00 knots Slack
Thu -- 08:42 AM PDT     Moonrise
Thu -- 11:18 AM PDT     -1.68 knots Max Ebb
Thu -- 01:54 PM PDT     0.01 knots Slack
Thu -- 04:36 PM PDT     1.45 knots Max Flood
Thu -- 07:37 PM PDT     Sunset
Thu -- 08:09 PM PDT     -0.01 knots Slack
Thu -- 11:04 PM PDT     Moonset
Thu -- 11:56 PM PDT     -1.36 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.3-0.60.20.91.210.60.1-0.5-1.1-1.5-1.7-1.5-0.90.10.81.41.41.10.60.1-0.5-1-1.3

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 (20,4,5,8)
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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.