Friday, August7, 2020
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Marine Weather and Tides
Cohassett Beach, 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 6:01AMSunset 8:40PM Friday August 7, 2020 4:55 AM PDT (11:55 UTC) Moonrise 9:53PMMoonset 9:08AM Illumination 87% Phase: Waning Gibbous; Moon at 18 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- 232 am pdt Fri aug 7 2020 combined seas 5 to 6 feet. Bar conditions light. Maximum ebb currents will occur around 730 am and 800 pm today.
PZZ100 232 Am Pdt Fri Aug 7 2020
Synopsis for the northern and central washington coastal and inland waters..High pressure over the ne pacific will maintain onshore flow through this weekend and into early next week. A stronger onshore push may bring small craft advisory winds through the strait on Saturday.


7 Day Forecast for Marine Location Near Cohassett Beach, WA
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location: 46.88, -124.08     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 070958 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 258 AM PDT Fri Aug 7 2020

SYNOPSIS. Weak high pressure will rebuild into the region today for drier conditions. A weak system will brush the region tonight and early Saturday for a chance of showers before high pressure returns for warmer and drier conditions Sunday and Monday. An upper trough will return in the middle of next week for cooler temperatures and additional cloud cover.

SHORT TERM /TODAY THROUGH SUNDAY/. There are some lingering showers early this morning, mainly over the Cascades, but these should fade away in the next few hours as weak high pressure aloft moves over the area. An upper short wave will bring some showers to the coast and north interior later this afternoon and tonight. This weather system mostly falls apart as it moves onshore tonight and most of the rest of the area probably won't get much if any precipitation. A few showers will linger into Saturday with a weak upper trough over the area but mostly it will be a dry day. Highs will be slightly below normal today and Saturday then warm to near or slightly above normal on Sunday. Schneider

LONG TERM /MONDAY THROUGH THURSDAY/. Monday is looking like the warmest day in the next week with a broad upper ridge over the area. Low level flow will remain onshore which will prevent temperatures from warming too much but highs should be in the lower to mid 80s for much of the I-5 corridor with 70s elsewhere. An upper trough will gradually carve out across the Pacific Northwest Tuesday through Thursday. It looks dry initially and the main change will be for highs to cool to near normal with a bit more cloudiness. Shower chances will gradually increase in the middle of the week with the best chances on Thursday. Schneider

AVIATION. The low level air mass remains moist with pockets of IFR to MVFR cigs across western WA. Ceilings will improve this afternoon with mainly VFR conditions expected. The flow aloft is westerly. A weak cold front will bring mostly light showers this afternoon and evening. Showers will diminish late tonight. 33

KSEA . MVFR cigs this morning then improving to VFR this afternoon. S winds to 10 kt becoming N 00-03z this evening. 33

MARINE. Winds will be generally light today and tonight as a weak cold front dissipates over the area. A stronger onshore push will likely bring Small Craft Advisory winds through the strait on Saturday. The flow will remain onshore through early next week. 33

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 5 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.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPTW1 - 9441102 - Westport, WA 2 mi79 min SSW 4.1 G 4.1 58°F 57°F1021 hPa
46211 - Grays Harbor, WA (036) 9 mi29 min 58°F6 ft
TOKW1 - 9440910 - Toke Point, WA 13 mi55 min SSE 2.9 G 5.1 59°F 62°F1021.3 hPa (+0.4)
46099 27 mi125 min WNW 3.9 59°F 59°F1020.3 hPa
46243 - Clatsop Spit, OR - 162 46 mi29 min 61°F5 ft
46100 47 mi125 min NNW 3.9 41°F 62°F1020.2 hPa
46041 - CAPE ELIZABETH- 45NM Northwest of Aberdeen, WA 48 mi35 min Calm G 1.9 59°F 60°F1020.5 hPa57°F
ASTO3 - 9439040 - Astoria, OR 49 mi55 min E 1.9 G 5.1 60°F 71°F1021.3 hPa (+0.5)

Wind History for Westport, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA9 mi62 minVar 310.00 miA Few Clouds58°F55°F90%1021.5 hPa

Link to 5 minute data for KHQM

Wind History from HQM (wind in knots)
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Last 24hrNW9NW7W6W8NW7W9W12W13W13W14
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1 day agoW3W5W8NW9W4W9W11W13--SW14SW13W11W10W11W10W7SW10SW9SW9SW8S5S11S8NW6
2 days agoCalmCalmCalmSE3S3S3CalmW6W10W13W13W11W8W8W12W7W6W5W5W4W5W4CalmW4

Tide / Current Tables for Bay City, Tillamook Bay, Oregon
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Bay City
Click for Map
Fri -- 03:46 AM PDT     6.54 feet High Tide
Fri -- 06:04 AM PDT     Sunrise
Fri -- 10:08 AM PDT     Moonset
Fri -- 10:51 AM PDT     0.26 feet Low Tide
Fri -- 04:57 PM PDT     6.22 feet High Tide
Fri -- 08:38 PM PDT     Sunset
Fri -- 10:52 PM PDT     Moonrise
Fri -- 11:11 PM PDT     1.91 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.84.15.46.36.56.15.23.92.51.30.50.30.823.54.95.96.25.95.14.13.12.31.9

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Fri -- 12:59 AM PDT     1.61 knots Max Flood
Fri -- 03:59 AM PDT     -0.01 knots Slack
Fri -- 06:04 AM PDT     Sunrise
Fri -- 07:30 AM PDT     -3.08 knots Max Ebb
Fri -- 10:08 AM PDT     Moonset
Fri -- 10:41 AM PDT     0.00 knots Slack
Fri -- 01:42 PM PDT     2.14 knots Max Flood
Fri -- 04:58 PM PDT     -0.00 knots Slack
Fri -- 08:07 PM PDT     -2.41 knots Max Ebb
Fri -- 08:38 PM PDT     Sunset
Fri -- 10:52 PM PDT     Moonrise
Fri -- 11:05 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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1.41.61.41-0-1.4-2.5-3-3-2.3-10.41.522.11.91.2-0-1.3-2.1-2.4-2.2-1.3-0.1

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 (7,2,3,4)
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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.