Monday, August3, 2020
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Marine Weather and Tides
Sekiu, WA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 5:50AMSunset 8:49PM Monday August 3, 2020 10:28 AM PDT (17:28 UTC) Moonrise 8:25PMMoonset 4:37AM Illumination 100% Phase: Full Moon; Moon at 14 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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PZZ130 West Entrance U.s. Waters Strait Of Juan De Fuca- 857 Am Pdt Mon Aug 3 2020
Today..SE wind to 10 kt becoming nw 5 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 4 ft at 9 seconds. Patchy fog in the morning. A chance of rain.
Tonight..W wind 5 to 15 kt. Wind waves 2 ft or less. W swell 3 ft at 9 seconds.
Tue..Light wind becoming nw 10 to 20 kt in the afternoon. Wind waves less than 1 ft becoming 1 to 3 ft in the afternoon. W swell 3 ft at 9 seconds.
Tue night..W wind 5 to 15 kt. Wind waves 2 ft or less. W swell 4 ft at 9 seconds.
Wed..NW wind to 10 kt becoming 5 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 3 ft at 9 seconds.
Wed night..W wind 5 to 15 kt. Wind waves 2 ft or less. W swell 3 ft at 9 seconds.
Thu..W wind 5 to 15 kt. Wind waves 2 ft or less. W swell 5 ft.
Fri..SW wind to 10 kt. Wind waves 1 ft or less. W swell 6 ft.
PZZ100 857 Am Pdt Mon Aug 3 2020
Synopsis for the northern and central washington coastal and inland waters..A weak weather system will move inland this morning. Another weak front will reach the area around Thursday. Otherwise, an onshore flow pattern will continue this week with high pressure offshore and lower pressure inland.


7 Day Forecast for Marine Location Near Sekiu, WA
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location: 48.34, -124.25     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 031618 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 915 AM PDT Mon Aug 3 2020

SYNOPSIS. An upper level trough will pass through Western Washington today bringing increased clouds, a slight chance for light showers and a few degrees of cooling. Dry conditions resume Tuesday as upper level ridging builds over the area. While this will allow for some warming, continued onshore flow will keep temperatures seasonable. The next system arrives Wednesday night into Thursday.

SHORT TERM /TODAY THROUGH WEDNESDAY/. Upper level trough starting to pass through the area . although the main upper level low is still off the coast as displayed by current satellite imagery. Main impact has been increased clouds over the area . enough to warrant a quick morning update. Getting some isolated obs with light rain in them but current radar is not terribly impressive Still. as the trough continues its eastward progression throughout the day . cannot rule out some additional showers during the morning and afternoon hours.

Models remain consistent on showing this system the door by late afternoon/early evening today and dry conditions resuming overnight. A fairly flat upper level ridge will start to work into the area overnight tonight but will amplify throughout the day Tuesday even though it moves slowly to the east. The ridge reaches its peak Wednesday . but the ridge axis has already moved east into ID/MT. Still close enough to keep conditions dry over W WA.

Afternoon highs coolest today with interior temps in the mid to upper 70s. Some slight warming under the ridge with interior highs in the upper 70s to lower 80s. Coastal highs vary little in the short term . with temps generally in the upper 60s to lower 70s. 18

LONG TERM /THURSDAY THROUGH SUNDAY/. From Previous Discussion . Models seem to be in better agreement regarding the next system to arrive on Thursday, with light rain spreading inland through the day. Rain amounts are not anticipated to be anything excessive for a summer system, generally around a tenth to quarter of an inch at most at this time. Some showers may linger on the back end of the system into Friday with a very slim chance for thunder, primarily in the Cascades at this time. Thunder chances will need to be evaluated further later on.

Another quick hitter system looks to be on the way for Saturday with light rain amounts possible, lingering into early Sunday. Then it appears that there is some divergence in model solutions as to whether a ridge rebuilds or that somewhat unsettled weather lingers on. There is not too much confidence to be had for a time frame so late in the period.

Kristell

AVIATION. Westerly flow aloft into Tuesday with weak system dissipating over the northern portion of the area this morning. In the lower level onshore flow continuing today and tomorrow.

Ceilings near 1000 feet or just below a line from about KSHN- KBFI will lift to around 2000 feet midday and to around 4000 feet 21z-23z. VFR ceilings continuing overnight.

In other locations over the interior ceilings in the 4000-6000 foot range into the early morning hours.

Along the coast ceilings below 1000 feet lifting to 2000-3000 feet later this afternoon. Ceilings lowering back down to near 1000 feet overnight.

KSEA . Ceilings near 1000 feet lifting to near 2000 feet around 19z and to 4000 feet 21-23z. VFR ceilings continuing overnight with ceilings around 2000 feet developing about 12 Tuesday. Southerly winds 4 to 8 knots becoming northwesterly around 00z with northwesterly winds continuing overnight. Felton

MARINE. A weak weather system will dissipate over the Northern Inland waters today. Another weak front will reach the area around Thursday. Otherwise, an onshore flow pattern will continue this week with high pressure offshore and lower pressure inland. Expect small craft advisory strength west winds most evenings for the Central Strait of Juan de Fuca and the East Entrance. Felton/ Schneider

HYDROLOGY. The daily hydrology discussion has ended until the start of the next rainy season; it will only be updated as needed.

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Small Craft Advisory from 5 PM this afternoon to 5 AM PDT Tuesday for Central U.S. Waters Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of Juan De Fuca.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NEAW1 - 9443090 - Neah Bay, WA 19 mi58 min 55°F1021.5 hPa
46087 - Neah Bay, WA (Traffic Separation Lighted Buoy) 27 mi38 min E 3.9 G 3.9 57°F 53°F3 ft1021.9 hPa (+1.0)
46267 36 mi88 min 49°F1 ft
LAPW1 - 9442396 - La Push, WA 36 mi52 min S 4.1 G 6 61°F 49°F1021.8 hPa
PTAW1 - 9444090 - Port Angeles, WA 45 mi52 min 61°F 53°F1021.5 hPa
DESW1 - Destruction Island, WA 48 mi88 min SSE 11 G 12 59°F 1021.5 hPa (+1.2)

Wind History for Neah Bay, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Quillayute, Quillayute State Airport, WA31 mi35 minVar 510.00 miOvercast63°F61°F93%1021.8 hPa

Link to 5 minute data for KUIL

Wind History from UIL (wind in knots)
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Last 24hrS5--S6S5S7S7SW6SW3S3S3CalmCalmCalmCalmE3CalmCalmE3E3CalmCalmCalmCalm5
1 day agoS6SW7SW7W9W8W10SW8W8W7W5W6CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS4
2 days agoCalmSW6SW95S86S6S5S3S7S5CalmCalmS3CalmS4CalmCalmCalmCalmCalmCalm4S5

Tide / Current Tables for Sekiu, Washington (2)
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Sekiu
Click for Map
Mon -- 01:18 AM PDT     7.11 feet High Tide
Mon -- 05:37 AM PDT     Moonset
Mon -- 05:55 AM PDT     Sunrise
Mon -- 07:48 AM PDT     -1.31 feet Low Tide
Mon -- 08:59 AM PDT     Full Moon
Mon -- 02:44 PM PDT     6.09 feet High Tide
Mon -- 07:51 PM PDT     1.52 feet Low Tide
Mon -- 08:49 PM PDT     Sunset
Mon -- 09:24 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.57.16.964.52.70.7-0.9-1.3-0.70.52.13.75.15.96.15.54.63.221.52.13.24.5

Tide / Current Tables for Strait of Juan de Fuca Entrance, Washington Current
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Strait of Juan de Fuca Entrance
Click for Map
Mon -- 01:18 AM PDT     0.00 knots Slack
Mon -- 02:11 AM PDT     0.09 knots Max Flood
Mon -- 03:02 AM PDT     -0.00 knots Slack
Mon -- 05:38 AM PDT     Moonset
Mon -- 05:56 AM PDT     Sunrise
Mon -- 08:17 AM PDT     -2.06 knots Max Ebb
Mon -- 08:59 AM PDT     Full Moon
Mon -- 12:18 PM PDT     0.00 knots Slack
Mon -- 03:11 PM PDT     1.23 knots Max Flood
Mon -- 06:13 PM PDT     -0.00 knots Slack
Mon -- 08:51 PM PDT     Sunset
Mon -- 09:26 PM PDT     Moonrise
Mon -- 09:37 PM PDT     -1.36 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.10.10-0.3-0.8-1.4-1.8-2-2-1.6-1-0.20.511.21.10.70.1-0.5-1-1.3-1.3-1.1

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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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 numerous 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.