Sunday, December8, 2019
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Marine Weather and Tides
Browns Point, WA

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:41AMSunset 4:21PM Sunday December 8, 2019 10:22 AM PST (18:22 UTC) Moonrise 2:46PMMoonset 3:42AM Illumination 90% Phase: Waxing Gibbous; Moon at 12 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- 825 Am Pst Sun Dec 8 2019
Today..N wind 5 to 15 kt becoming ne in the afternoon. Wind waves 2 ft or less. Patchy fog in the morning.
Tonight..SE wind to 10 kt. Wind waves 1 ft or less.
Mon..Light wind. Wind waves less than 1 ft.
Mon night..Variable 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.
Tue..S wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. Wind waves 2 to 4 ft.
Tue night..S wind to 10 kt. Wind waves 1 ft or less.
Wed..S wind 5 to 15 kt rising to 15 to 25 kt. Wind waves 2 ft or less building to 2 to 4 ft.
Thu..S wind 15 to 25 kt easing to 10 to 20 kt. Wind waves 2 to 4 ft.
PZZ100 825 Am Pst Sun Dec 8 2019
Synopsis for the northern and central washington coastal and inland waters..Weak low pressure today will give way to weak high pressure on Monday. A front will reach the coastal waters on Tuesday and weaken as it moves inland Tuesday night. A stronger front will approach the area on Wednesday and move onshore Wednesday night and Thursday.


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


Area Discussion for - Seattle, WA
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FXUS66 KSEW 081642 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 842 AM PST Sun Dec 8 2019

UPDATE. An upper level ridge will build into the region today and persist into early Tuesday. Radar indicates a few light showers across portions of the Cascades this morning and satellite shows plenty of low cloud cover across Western Washington. With ample low level moisture still in place across the region, expect clearing to be slow and for most areas to remain mostly cloudy throughout the day-with the exception of some clearing in the mountains. Afternoon highs will be in the upper 40s to near 50. The previous discussion below applies, with updates made to the marine and aviation sections. 14

PREV DISCUSSION. /issued 330 AM PST Sun Dec 8 2019/

SYNOPSIS. An upper ridge will build offshore today for dry weather through early Tuesday with the best chances for sunshine being on Monday. The next system should slide through later Tuesday with unsettled conditions persisting thereafter.

SHORT TERM /TODAY THROUGH TUESDAY/. Current satellite and radar imagery show that system responsible for precip yesterday is out of the area with W WA now falling under the jurisdiction of an incoming upper level ridge still out over the offshore waters. Current obs show sufficient low level moisture is in place to keep low clouds over much of the area with areas of fog/reduced visibilities in some locations.

This upper level ridge will keep conditions dry today . but any sort of clearing is going to be slow work at best. Given the widespread low clouds/fog this morning . expecting cloudiness to linger most of the day . although the mountains may see some clearing as the day progresses. This ridge will be the main weather factor throughout the short term as dry conditions persist into Monday and early Tuesday. Clouds should give way to some breaks of sunshine during the day Monday . mostly for locations east of Puget Sound. The western half of the CWA will start to see clouds associated with the next weather system start to roll in which may limit the amount of sun they get. The next system makes its way to the coast by mid to late Tuesday morning but really doesn't make its way inland until Tuesday afternoon. Both ECMWF and GFS do not show this front being of any particular note and the ensemble mean leans toward that conclusion as well showing pretty minimal QPF values associated with its passage. Neither model has the system holding together very well and has a weak shortwave ridge in place over W WA by Tuesday night.

Lowland high temps throughout the short term will remain pretty static . generally in the upper 40s. Overnight lows will not see very much variation either . sitting in the upper 30s to around 40.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. Models agree on a shortwave ridge for early Wednesday . although the ECMWF is more progressive on kicking it out and getting the next system onto the coast by late Wednesday morning . inland by Wednesday evening. The GFS is slower with the system hitting the coast in the afternoon and pushing inland overnight. Most of the ensemble members fall somewhere in between causing any forecast solution to get lost in the spaghetti.

Beyond this initial disagreement . models come back in line regarding the active pattern for the remainder of the forecast period as a broad upper level trough sets up over the Pac NW. This will shuttle in a series of systems and while both deterministic and ensemble models show some dry breaks . the overall pattern will be wet.

Temps in the long term do not waver much from those in the short term with the lowlands generally seeing high temps in the upper 40s to around 50 while overnight lows will sit generally in the upper 30s to lower 40s. SMR

AVIATION. North northwesterly flow aloft into Monday with upper level ridge offshore. Light flow in the lower levels with flat surface gradients. The air is moist and cloudy across most of Western Washington but some of the higher mountains are sticking up out of the clouds and there are some breaks in the clouds so that bodes well for some improvement today--cigs will set up and lower again tonight however. There is likely to be areas of fog and rather low cigs Monday morning.

KSEA . Improvement into the afternoon is likely--but then low stratus will set up tonight and persist through midday Monday. Light and variable winds.

MARINE. Weak low pressure today will give way to high pressure by Monday with light winds. A front will approach the area on Tuesday and weaken over the area Tuesday night. Another stronger front should reach the area Wednesday night and push inland on Thursday.

HYDROLOGY. River flooding is unlikely for the next 7 days.

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . None.

www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 2 mi58 min SW 1 G 1.9
TCNW1 - 9446484 - Tacoma, WA 3 mi58 min 48°F 51°F1018.7 hPa
WPOW1 - West Point, WA 25 mi82 min N 5.1 G 5.1 49°F 1018.1 hPa (+2.2)48°F
46120 32 mi41 min NNW 3.9 49°F 1017.8 hPa46°F
46125 43 mi36 min 49°F 1018 hPa47°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tacoma, Tacoma Narrows Airport, WA7 mi29 minno data1.00 miFog/Mist47°F46°F97%1019.1 hPa
Tacoma / McChord Air Force Base, WA10 mi84 minN 02.50 miFog/Mist48°F48°F100%1018.4 hPa
Seattle, Seattle-Tacoma International Airport, WA12 mi29 minN 35.00 miFog/Mist49°F45°F86%1019.3 hPa
Fort Lewis / Gray U. S. Army Airfield, WA16 mi84 minN 03.00 miFog/Mist48°F0°F%1017.7 hPa
Pierce County-Thun Field, WA16 mi47 minN 03.00 miFog/Mist48°F48°F100%1017.9 hPa
Boeing Field - King County International Airport, WA18 mi29 minN 04.00 miFog/Mist50°F46°F86%1018.8 hPa
Renton Municipal Airport, WA18 mi29 minNNW 37.00 miOvercast48°F46°F93%1019.2 hPa
Bremerton, Bremerton National Airport, WA21 mi26 minN 05.00 miLight Rain Fog/Mist46°F45°F96%1020.8 hPa

Link to 5 minute data for KTIW

Wind History from TIW (wind in knots)
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Last 24hrCalmCalmSE3S3CalmCalmCalmCalmCalmCalmW3NW4CalmN3NW3CalmN3CalmN3CalmCalmCalmCalm--
1 day agoCalmNE3S4W5CalmCalmNE3SE3W3CalmCalmCalmW3SW3CalmCalmCalmCalmS6S3E3NE4E3Calm
2 days agoCalmNW3SE33CalmCalmCalmCalmCalmCalmCalmNW4N3CalmNE3N3N4CalmCalmCalmS4CalmCalmSW3

Tide / Current Tables for Tacoma, Commencement Bay, Sitcum Waterway, Puget Sound, Washington (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for The Narrows, North end E side, Washington Current
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The Narrows
Click for Map
Sun -- 03:25 AM PST     -0.00 knots Slack
Sun -- 03:42 AM PST     Moonset
Sun -- 06:57 AM PST     -2.31 knots Max Ebb
Sun -- 07:44 AM PST     Sunrise
Sun -- 09:05 AM PST     0.00 knots Slack
Sun -- 11:40 AM PST     2.37 knots Max Flood
Sun -- 02:41 PM PST     -0.00 knots Slack
Sun -- 02:45 PM PST     Moonrise
Sun -- 04:19 PM PST     Sunset
Sun -- 06:48 PM PST     -4.25 knots Max Ebb
Sun -- 09:43 PM PST     0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.62.21.40.4-0.7-1.6-2.1-2.3-1.8-0.21.22.22.31.80.8-0.5-2.1-3.4-4.1-4.2-3.7-1.90.52.2

Weather Map
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wmap_P
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Seattle, WA (13,3,4,5)
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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.