Thursday, September23, 2021
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Marine Weather and Tides
Cohassett Beach, WA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:02AMSunset 7:12PM Thursday September 23, 2021 10:32 AM PDT (17:32 UTC) Moonrise 7:36PMMoonset 8:50AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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- 907 am pdt Thu sep 23 2021 combined seas 6 to 8 ft subsiding to 4 to 6 ft in the afternoon. Bar conditions moderate becoming light in the afternoon. Maximum ebb currents will occur around 7 pm today and 7 am Friday.
PZZ100 907 Am Pdt Thu Sep 23 2021
Synopsis for the northern and central washington coastal and inland waters..High pressure offshore with lower pressure inland will keep flow onshore today. The flow will turn briefly offshore tonight and Friday morning before turning back onshore Friday afternoon. Onshore flow continuing Saturday. A front will move through the waters Sunday with another front Monday.


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 231609 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 909 AM PDT Thu Sep 23 2021

SYNOPSIS. High pressure builds into the area, resulting in drier and warmer weather into Saturday. The first of a series of weather systems will approach the area late Saturday. Expect unsettled weather through much of the first half of next week.

SHORT TERM /TODAY THROUGH SATURDAY/. An upper ridge is building into Western Washington today. Increasing northerly flow near the surface will help scour out the low clouds for most areas by early afternoon. High temperatures will be similar to those on Wednesday if not a degree or two warmer. The upper ridge axis shifts overhead tomorrow with thermally induced low pressure at the surface expanding northward along the coast. This will turn the low level flow weakly offshore. With wall to wall sunshine and said offshore flow, high temperatures on Friday will get a nice boost with highs from the upper 60s to upper 70s. The ridge flattens and a weak front approaches the region by Saturday evening, but not before a pleasant early autumn day for most Western Washington interior areas. We're still on track for large scale changes in the synoptic pattern for much of next week as we transition toward wet and unsettled conditions. No forecast updates planned this morning. 27

LONG TERM /SUNDAY THROUGH WEDNESDAY/. Rain will continue to move through the area late Saturday night/early Sunday morning. There is a bit of a shortwave disturbance associated with this system that may be enough to produce some convection offshore, but anything that forms will be rather weak as the atmosphere becomes stable aloft. Since we are now officially in autumn it is only appropriate that the next weather system approaches the same day as one leaves. This second system is on the stronger side and models are in agreement that it will bring widespread rain and high mountain snow to the area. Unsettled weather will remain in place until at least mid week. This unsettled weather pattern will keep showers in the area including the potential for some thunderstorms. Welcome to fall.

Butwin

AVIATION. Upper level ridge offshore with northwesterly flow aloft today. Flow aloft becoming southwesterly Friday as ridge moves inland. In the lower levels, onshore flow today becoming light offshore tonight and Friday morning.

Ceilings aob 1000 feet with local visibility less than 1 mile in fog until 17z. Improving trend 17z-19z with mostly clear skies by 20z. Mostly clear skies continuing into Friday morning. Some locations in the thickest fog will see delays in improvement into the afternoon.

KSEA . Ceilings below 500 feet with visibility about 1 mile or less at times until 16-17z. Improving trend 16z-18z with clouds scattering out 19-20z. Mostly clear skies this afternoon through Friday morning. Light wind becoming northerly 4 to 8 knots this afternoon.

Felton/Kristell

MARINE. High pressure offshore with lower pressure inland will keep flow onshore today. The flow will turn briefly offshore tonight and Friday morning before turning back onshore Friday afternoon. Onshore flow continuing Saturday. A front will move through the waters Sunday with another front Monday.

Small craft advisory winds expected over most of the waters Sunday and Monday. Swells along the coast by late Monday could be as high as 15 feet, the highest since last spring. Felton/Kristell

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 2 mi57 min NNE 6 G 7 52°F 57°F1026.5 hPa
46211 - Grays Harbor, WA (036) 9 mi37 min 56°F6 ft
TOKW1 - 9440910 - Toke Point, WA 13 mi45 min E 5.1 G 6 52°F 58°F1026.5 hPa
46099 27 mi103 min N 7.8 55°F 55°F1026.3 hPa
46243 - Clatsop Spit, OR - 162 46 mi37 min 56°F5 ft
46100 47 mi103 min NNE 7.8 59°F1026.6 hPa
46041 - CAPE ELIZABETH- 45NM Northwest of Aberdeen, WA 48 mi33 min N 3.9 G 5.8 54°F 55°F1027.7 hPa54°F
ASTO3 - 9439040 - Astoria, OR 49 mi45 min N 1.9 G 2.9 57°F 65°F1025.4 hPa

Wind History for Westport, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA9 mi40 minE 69.00 miOvercast55°F52°F90%1026.9 hPa

Link to 5 minute data for KHQM

Wind History from HQM (wind in knots)
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Last 24hrSW11SW8W8W10W10NW9W10NW8W6NW6NW4NW5NW4W3CalmCalmCalmCalmCalmCalmCalmCalmE5E6
1 day agoE11E11E11SE7SE7W3W8SW6CalmNW6SW6CalmCalmSE4CalmE4NW5CalmW3W11
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2 days agoE6SE4SW3W9W10W9W7W63N9NE3E4E3CalmE4E7E4E9E10E7E8E9E8E12

Tide / Current Tables for Bay City, Tillamook Bay, Oregon
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Bay City
Click for Map
Thu -- 03:13 AM PDT     6.47 feet High Tide
Thu -- 07:04 AM PDT     Sunrise
Thu -- 09:36 AM PDT     1.17 feet Low Tide
Thu -- 09:50 AM PDT     Moonset
Thu -- 03:17 PM PDT     6.93 feet High Tide
Thu -- 07:11 PM PDT     Sunset
Thu -- 08:35 PM PDT     Moonrise
Thu -- 10:10 PM PDT     0.59 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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34.65.96.56.35.54.33.121.31.223.34.96.26.96.864.83.4210.60.9

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Thu -- 12:32 AM PDT     2.14 knots Max Flood
Thu -- 03:22 AM PDT     -0.00 knots Slack
Thu -- 06:35 AM PDT     -2.85 knots Max Ebb
Thu -- 07:05 AM PDT     Sunrise
Thu -- 09:31 AM PDT     0.01 knots Slack
Thu -- 09:50 AM PDT     Moonset
Thu -- 12:26 PM PDT     2.20 knots Max Flood
Thu -- 03:31 PM PDT     -0.00 knots Slack
Thu -- 06:55 PM PDT     -3.24 knots Max Ebb
Thu -- 07:11 PM PDT     Sunset
Thu -- 08:35 PM PDT     Moonrise
Thu -- 10:06 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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2.12.11.60.5-0.9-2.1-2.7-2.8-2.1-0.70.61.72.12.11.70.7-0.8-2.2-3-3.2-2.8-1.6-0.21.1

Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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