Sunday, December8, 2019
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Marine Weather and Tides
Hoquiam, 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 7:46AMSunset 4:28PM Sunday December 8, 2019 6:12 AM PST (14:12 UTC) Moonrise 2:52PMMoonset 3:48AM Illumination 88% 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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PZZ110 Grays harbor bar- 240 am pst Sun dec 8 2019 combined seas 4 to 6 feet. Bar conditions light. Maximum ebb currents will occur around 2 pm today and 215 am Monday.
PZZ100 240 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 Hoquiam, WA
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location: 46.98, -123.95     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 081129 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 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. Air mass moist and stable.

Widespread ceilings below 1000 feet this morning with areas of visibility 1-3sm in fog and isolated visibility 1/2sm or less in fog. With little flow in the lower levels improvement will be slow with ceilings lifting to 1000-2000 feet and visibility 3-5sm around 20z. Visibility restrictions gone by 22z but ceilings remaining MVFR into early Monday morning. Ceilings lowering back down to below 1000 feet in most places after 09z Monday.

KSEA . Ceilings below 1000 feet and visibility 2-4sm in fog until around 20z. Ceilings lifting to 1000-2000 feet after 20z with no visibility restrictions. MVFR ceilings continuing into early Monday morning. Variable winds 6 knots or less. Felton

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
WPTW1 - 9441102 - Westport, WA 10 mi96 min NW 1.9 G 1.9 47°F 47°F1014.7 hPa
46211 - Grays Harbor, WA (036) 18 mi42 min 49°F5 ft
TOKW1 - 9440910 - Toke Point, WA 19 mi72 min SE 1.9 G 1.9 47°F 47°F1015.2 hPa (+2.4)
46099 33 mi142 min N 3.9 50°F 50°F1013.8 hPa
46041 - CAPE ELIZABETH- 45NM Northwest of Aberdeen, WA 49 mi82 min NNW 1.9 G 3.9 50°F 50°F7 ft1015 hPa (+2.1)

Wind History for Westport, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA1 mi79 minN 02.00 miFog/Mist45°F45°F100%1015.3 hPa

Link to 5 minute data for KHQM

Wind History from HQM (wind in knots)
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Last 24hrE7E5E4E4E4E3CalmCalmCalmCalmW3NW3W3NE3SW3CalmS3CalmCalmCalmSE3CalmCalmCalm
1 day agoE9E8E11E9E12E11E5E7E8E11E8E5E7E5E7E5E7E6E4E7E7E6E7E8
2 days agoE11E10E8E10E10E12E10E9E8E6E8E8E7E7E8E8E7E11E9E12E11E9E6E9

Tide / Current Tables for Moon Island, North Channel, Grays Harbor, Washington
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Moon Island
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Sun -- 03:37 AM PST     3.30 feet Low Tide
Sun -- 03:47 AM PST     Moonset
Sun -- 07:48 AM PST     Sunrise
Sun -- 10:06 AM PST     10.43 feet High Tide
Sun -- 02:52 PM PST     Moonrise
Sun -- 04:26 PM PST     Sunset
Sun -- 04:33 PM PST     1.48 feet Low Tide
Sun -- 10:54 PM PST     8.48 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.75.64.53.53.44.35.77.28.79.910.4108.76.953.11.71.62.53.85.478.18.5

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Sun -- 01:28 AM PST     -1.89 knots Max Ebb
Sun -- 03:48 AM PST     Moonset
Sun -- 04:07 AM PST     0.00 knots Slack
Sun -- 07:35 AM PST     1.67 knots Max Flood
Sun -- 07:48 AM PST     Sunrise
Sun -- 10:19 AM PST     -0.00 knots Slack
Sun -- 01:58 PM PST     -3.04 knots Max Ebb
Sun -- 02:52 PM PST     Moonrise
Sun -- 04:27 PM PST     Sunset
Sun -- 05:27 PM PST     0.00 knots Slack
Sun -- 08:50 PM PST     1.65 knots Max Flood
Sun -- 11:11 PM PST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.4-1.8-1.8-1.1-0.10.81.41.61.71.30.4-0.9-2-2.7-3-2.6-1.6-0.50.51.11.51.61.20.2

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Seattle, WA (9,2,3,4)
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Ground Weather Radar Station Portland, OR
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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.