Friday, January19, 2018 L-36.com


Marine Weather and Tides
Browns Point, 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 7:46AMSunset 4:55PM Friday January 19, 2018 3:28 PM PST (23:28 UTC) Moonrise 9:17AMMoonset 7:44PM Illumination 10% 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- 312 Pm Pst Fri Jan 19 2018
.small craft advisory in effect through late tonight...
.gale watch in effect from Saturday evening through Sunday morning...
Tonight..S wind 20 to 30 kt easing late. Wind waves 2 to 5 ft subsiding late. Showers decreasing late.
Sat..S wind 10 to 20 kt. Wind waves 1 to 3 ft. A chance of showers.
Sat night..S wind rising to 25 to 35 kt. Wind waves building to 3 to 6 ft. Rain likely.
Sun..S wind 25 to 35 kt easing to 20 to 30 kt. Wind waves 3 to 6 ft subsiding to 2 to 5 ft.
Sun night and Mon..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Mon night..S wind 5 to 15 kt. Wind waves 2 ft or less.
Tue and Wed..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
PZZ100 312 Pm Pst Fri Jan 19 2018
Synopsis for the northern and central washington coastal and inland waters..A trough extending from a 992 mb low N of vancouver island was over the washington nearshore waters late this afternoon. It will move across the interior waters this evening. Expect a warm front to move across the coastal waters late Saturday. A strong cold front will move across the area on Sunday. Storm force winds are possible over the coastal waters and east entrance to the strait of juan de fuca late Saturday night through Sunday morning.

7 Day Forecast for Marine Location Near Browns Point, WA
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location: 47.3, -122.45     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 191749
afdsew
area forecast discussion
national weather service seattle wa
949 am pst Fri jan 19 2018

Synopsis An upper trough over the region will maintain cool
and showery pattern today. Snow showers above 2,000 feet could
produce a few inches of snow in the passes. A stronger and wetter
front will bring more rain, mountain snow and windy conditions
late Saturday night and Sunday. Additional fronts will will keep
the weather active through next week with temperatures trending
below normal.

Short term In the big picture, a longwave trough will persist
over the eastern pacific in some form or fashion for at least the
next 5 days. This will maintain active west-southwest flow aloft
over western washington with ejecting systems crossing the area
with regularity. Will be hard to find even a 12-hour period of dry
weather. We will generally remain under or poleward of the jet
stream, keeping snow levels seasonably low, i.E. At or below 3000
feet.

Now for the details. The much-diminished low center that brought
recent high surf to the coast will be moving north up queen
charlotte sound later today. A negatively tilted occluded front
will be crossing the forecast area this afternoon, enhancing
precip. A larger mass of rain is already spreading onto the coast,
and it will spread inland this afternoon. Southerly gradients will
continue to increase in advance of the front today, so breezy or
windy conditions will be common. The coast will get a wind shift
as the front passes later this afternoon from southerly to
westerly.

Next up will be a sharp and vigorous occluded front that will
cross the coast early Sunday morning. East-southeast gradients
really pack up and strengthen in advance of this feature, peaking
in strength around 12z (4 am) Sunday. Uil-bli will peak near -6
mb, pdx-bli near +7 mb, ast-uil near +5 mb, and sea-ykm near -8
mb. Southerly 925 mb wind speeds will peak near 60 kt along the
coast and 55 kt over the north interior. Gfs-based marine mos
guidance peaks wind speed at destruction island near 50 kt and
smith island at 45 kt. GFS mos for whidbey nas peaks at 31 kt,
while the usually more conservative nam MOS peaks whidbey at 33
kt. Will be heavily considering going with a high wind watch later
today for the coast and the standard 4 north interior zones.

Besides wind, this front will come with an enhancement of precip.

With snow levels topping out only near 3000 feet, moderate
snowfall amounts are expected in the mountains. Advisories or
possibly warnings may eventually be needed for the mountains.

An unstable air mass will follow on Sunday afternoon, with
abundant showers everywhere and thunder possible along the coast.

Haner

Long term From previous discussion: the weather will remain
unsettled through next week as a series of fronts track through
the pac nw. There's little break in the action. Late in the week,
models show a cool upper level trough overhead with heights in the
530s. This keeps snow levels low, near 500-1000 ft. It's possible
we could see rain snow showers on the higher hills. However, with
southerly onshore flow snow amounts look spotty and light. 33

Aviation A weak upper level trof and associated surface trof
offshore will move across the area later today. The flow aloft
will be westerly. Contd low level onshore flow. Areas of MVFR cigs
will become more widespread late today. Expect MVFR vsbys with the
heavier showers. The mtns will be obscd.

Ksea... Expect MVFR CIGS (2-3k ft) to develop late today and then
persist through at least Saturday morning. Southerly winds will
increase to 10-15 knots and become gusty this afternoon. Expect
the winds to diminish overnight.

Marine
A trough extending from a 990 mb low off the northwest coast of
vancouver island will move across the area today. Expect another
trough to move across the area on Saturday. A stronger frontal
system will impact the washington waters on Sunday for the
potential for widespread gale force winds.

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

Sew watches warnings advisories
Wa... High surf advisory until noon pst today for central coast-north
coast.

Pz... Gale watch from Saturday afternoon through Sunday morning 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.

Gale warning until 6 pm pst this evening for coastal waters from
cape flattery to james island 10 to 60 nm-coastal waters
from james island to point grenville 10 to 60 nm-coastal
waters from point grenville to CAPE shoalwater 10 to 60 nm.

Small craft advisory for rough bar until 6 am pst Saturday for
grays harbor bar.

Small craft advisory until 6 am pst Saturday for coastal waters
from CAPE flattery to james island out 10 nm-coastal waters
from james island to point grenville out 10 nm-coastal
waters from point grenville to CAPE shoalwater out 10 nm-
east entrance u.S. Waters strait of juan de fuca-northern
inland waters including the san juan islands-puget sound
and hood canal-west entrance u.S. Waters strait of juan de
fuca.

Small craft advisory until midnight pst tonight for admiralty
inlet.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 2 mi59 min S 5.1 G 11
TCNW1 - 9446484 - Tacoma, WA 3 mi47 min 49°F1012.7 hPa
EBSW1 - 9447130 - Seattle, WA 22 mi41 min 48°F1012.1 hPa
WPOW1 - West Point, WA 25 mi29 min S 22 G 26 47°F 1011.5 hPa (-0.8)39°F
46120 32 mi33 min WSW 18 47°F 1010.6 hPa40°F

Wind History for Tacoma MET, WA
(wind in knots)    EDIT      (on/off)   Help
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NW5
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S7
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NE2
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--
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tacoma, Tacoma Narrows Airport, WA7 mi36 minS 14 G 2410.00 miOvercast46°F37°F71%1012.1 hPa
Tacoma / McChord Air Force Base, WA10 mi31 minS 16 G 2310.00 miOvercast47°F42°F85%1013.1 hPa
Seattle, Seattle-Tacoma International Airport, WA12 mi36 minSSE 1110.00 miOvercast45°F37°F77%1012.7 hPa
Pierce County-Thun Field, WA16 mi34 minS 9 G 1410.00 miPartly Cloudy46°F37°F71%1012.5 hPa
Fort Lewis / Gray U. S. Army Airfield, WA16 mi91 minSSE 16 G 1910.00 miOvercast46°F42°F87%1012.7 hPa
Boeing Field - King County International Airport, WA18 mi36 minSSE 1110.00 miOvercast46°F39°F77%1012.1 hPa
Renton Municipal Airport, WA18 mi36 minSE 810.00 miOvercast47°F39°F74%1012.7 hPa
Bremerton, Bremerton National Airport, WA21 mi33 minSSW 11 G 1610.00 miLight Rain43°F39°F89%1013 hPa

Wind History from TIW (wind in knots)
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Last 24hrS13
G17
S9S5S10S9SW8S12
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G19
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1 day agoS7S9S8S8SE5S7S10S11
G18
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S9W6SW4SW7S15
G23
S10SE9S6SE7S4SE6S11S6W4S9
G16
2 days agoS16
G24
S5SE3CalmCalmNE4NE4CalmCalmNW3CalmW4CalmCalmNE4NE3CalmCalmCalmNE3NW3CalmS34

Tide / Current Tables for Tacoma, Commencement Bay, Sitcum Waterway, Puget Sound, Washington (sub)
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Tacoma
Click for Map
Fri -- 07:05 AM PST     12.67 feet High Tide
Fri -- 07:48 AM PST     Sunrise
Fri -- 09:16 AM PST     Moonrise
Fri -- 12:51 PM PST     6.47 feet Low Tide
Fri -- 04:52 PM PST     Sunset
Fri -- 05:45 PM PST     10.21 feet High Tide
Fri -- 07:44 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.80.22.35.1810.512.112.712.311.29.686.86.5789.11010.29.57.95.73.31.1

Tide / Current Tables for The Narrows, North end E side, Washington Current
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The Narrows
Click for Map
Fri -- 01:07 AM PST     0.00 knots Slack
Fri -- 04:13 AM PST     4.45 knots Max Flood
Fri -- 07:49 AM PST     Sunrise
Fri -- 08:02 AM PST     -0.01 knots Slack
Fri -- 09:17 AM PST     Moonrise
Fri -- 11:14 AM PST     -3.19 knots Max Ebb
Fri -- 01:59 PM PST     0.01 knots Slack
Fri -- 04:14 PM PST     2.16 knots Max Flood
Fri -- 04:52 PM PST     Sunset
Fri -- 06:39 PM PST     -0.01 knots Slack
Fri -- 07:44 PM PST     Moonset
Fri -- 10:31 PM PST     -4.88 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-2.9-0.41.83.64.44.23.11.70.1-1.6-2.8-3.2-3-1.901.42.11.90.9-0.6-2.4-3.9-4.8-4.7

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 (18,4,5,8)
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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.