Thursday, August13, 2020
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Marine Weather and Tides
Hoquiam, 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 6:09AMSunset 8:30PM Thursday August 13, 2020 2:40 AM PDT (09:40 UTC) Moonrise 12:00AMMoonset 3:31PM Illumination 30% Phase: Waning Crescent; Moon at 24 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- 820 pm pdt Wed aug 12 2020 combined seas 4 to 6 feet. Bar conditions light. Maximum ebb currents will occur around 1215 am tonight and 1245 pm Thursday.
PZZ100 820 Pm Pdt Wed Aug 12 2020
Synopsis for the northern and central washington coastal and inland waters..A typical summertime weather regime will persist through the end of the week with no significant weather systems. Thermally induced low pressure will expand over western washington Saturday night and Sunday.


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 130934 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 234 AM PDT Thu Aug 13 2020

SYNOPSIS. High pressure will build into the area for the end of the week into the weekend with much warmer temperatures and dry weather.

SHORT TERM /TODAY THROUGH SATURDAY/. Onshore flow will prevail through Friday for generally mild, seasonable weather. A weak passing trough will keep temperatures in check today with highs generally in the 60s to mid 70s - close to average. Friday will be a few degrees warmer with a few low 80s expected in the interior.

High pressure and offshore flow will bring warmer conditions as we move into this weekend. On Saturday, areas in the interior (away from the sound) will reach the 80s with low 90s possible in the south sound (especially Olympia-Tacoma on south). N/NW winds at the coast will keep the beaches in the 60s but you'll see 80s a few miles inland as well. Expect plenty of sunshine of course. 33

LONG TERM /SUNDAY THROUGH WEDNESDAY/. Temperatures will peak on Sunday as the warming trend continues. Guidance shows most areas in the interior reaching the upper 80s to low 90s with mid 90s away from the sound. Cascade valleys will be hot - near triple digits. Temperatures this warm and widespread will raise heat risk concerns with most areas seeing a potential for at least moderate heat risk. Conditions this warm and dry also raise fire weather concerns, especially in the Cascades.

The coast will see some relief on Monday and Tuesday as the ridge shifts east and inland while onshore flow resumes. Highs along the coast will drop back into the 60s. The interior, however, will still remain warm with temps topping out in the mid to upper 80s. The heat risk will be lower with cooler temps overall (compared to Sunday) and overnight lows in the 50s. Models are showing some spotty, high-based showers over the region but moisture is looking limited and thus confidence remains low.

Finally, by Wednesday, a stronger onshore push will bring conditions back to normal. Expect increasing clouds with a few passing showers as a trough moves through western WA. 33

AVIATION. Passing high cirrus across the region early this morning, under within the northwest flow aloft. Expect some local IFR marine stratus along the coast and spilling into the Strait of Juan de Fuca near KCLM and portions of the southwest interior (perhaps as far as KHQM), but building high pressure at the surface will keep the marine layer shallow and likely preclude a widespread push into the interior. Nonetheless, efficient radiational cooling once the cirrus deck passes may lead to local IFR ceilings for a few hours around daybreak - especially near KPWT, KPAE, and perhaps KOLM. Scattering clouds for a return of VFR conditions by the afternoon for all but the immediate coastline.

KSEA . VFR conditions expected through the period, but there is around a 15 percent chance of MVFR ceilings developing for a few hours around daybreak if the cirrus clears out faster than expected and allows better radiational cooling. Otherwise, light/variable wind through much of the morning, with predominantly northerly surface winds to 10 kt developing after 21z through the evening. Cullen

MARINE. Strong surface high pressure over the northeastern Pacific and lower pressure inland will maintain typical summertime flow pattern into the weekend. Winds through the Strait will ease below advisory criteria by daybreak, but another round of advisory strength winds expected this afternoon/evening. Winds through the Strait east late Friday and Saturday with building thermal low pressure up the Oregon coast bringing strengthening northerly wind to the coastal waters Friday and Saturday, especially during the late afternoon/evening hours. Meanwhile, seas over the coastal waters will be dominated by a short period fresh swell this weekend, resulting in choppy conditions over the waters. Cullen

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

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Small Craft Advisory until 6 AM PDT early this morning for Central U.S. Waters Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory from 4 PM this afternoon to 5 AM PDT Friday 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
WPTW1 - 9441102 - Westport, WA 10 mi64 min NNW 7 G 8.9 54°F 58°F1020.5 hPa
46211 - Grays Harbor, WA (036) 18 mi44 min 56°F4 ft
TOKW1 - 9440910 - Toke Point, WA 19 mi52 min WNW 1.9 G 4.1 54°F 62°F1020.6 hPa
46099 33 mi110 min N 5.8 56°F 56°F1020.3 hPa
46041 - CAPE ELIZABETH- 45NM Northwest of Aberdeen, WA 49 mi30 min NNW 7.8 G 9.7 57°F 58°F1020.2 hPa53°F

Wind History for Westport, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA1 mi47 minNW 510.00 miFair53°F48°F83%1020.6 hPa

Link to 5 minute data for KHQM

Wind History from HQM (wind in knots)
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Tide / Current Tables for Moon Island, North Channel, Grays Harbor, Washington
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Moon Island
Click for Map
Thu -- 12:45 AM PDT     Moonrise
Thu -- 03:06 AM PDT     1.04 feet Low Tide
Thu -- 06:11 AM PDT     Sunrise
Thu -- 09:37 AM PDT     6.22 feet High Tide
Thu -- 02:47 PM PDT     3.65 feet Low Tide
Thu -- 04:30 PM PDT     Moonset
Thu -- 08:28 PM PDT     Sunset
Thu -- 09:07 PM PDT     8.51 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.12.81.611.42.33.34.45.46.16.25.64.94.33.83.74.25.46.67.48.28.58.27.2

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Thu -- 12:15 AM PDT     -2.42 knots Max Ebb
Thu -- 12:46 AM PDT     Moonrise
Thu -- 03:51 AM PDT     0.00 knots Slack
Thu -- 06:12 AM PDT     Sunrise
Thu -- 07:26 AM PDT     0.92 knots Max Flood
Thu -- 09:43 AM PDT     -0.00 knots Slack
Thu -- 12:43 PM PDT     -1.19 knots Max Ebb
Thu -- 03:09 PM PDT     0.00 knots Slack
Thu -- 04:31 PM PDT     Moonset
Thu -- 05:46 PM PDT     1.15 knots Max Flood
Thu -- 08:29 PM PDT     Sunset
Thu -- 09:16 PM PDT     -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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-2.4-2.3-1.7-0.70.10.60.80.90.90.5-0.2-0.9-1.1-1.2-0.9-0.10.61.11.110.70.2-0.7-1.7

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 (5,6,7,8)
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Ground Weather Radar Station Portland, OR
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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 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.