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Marine Weather and Tides Markham, WA Version 3.4

NOTICE 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.

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Sunrise 6:46AM

Sunset 6:07PM

Thursday March 4, 2021 10:54 PM PST (06:54 UTC)

Moonrise 12:00AM

Moonset 9:44AM

Illumination 60%

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.

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7 Day Forecast for Marine Location Near Markham, WA

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Area Discussion for - Seattle, WA

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FXUS66 KSEW 050450 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 850 PM PST Thu Mar 4 2021

SYNOPSIS. A slow moving frontal system just off the coast will move slowly inland through Friday. An upper level trough will move through the region Friday night and Saturday morning. Another weather system arrives Sunday. An upper level trough will remain just offshore during the first half of next week.

SHORT TERM /TONIGHT THROUGH SUNDAY/. The current forecast remains on track. 33

Previous discussion . Rainy weather on tap as the front stalls near the coast tonight. The upper level trough just off the West Coast will send out a second frontal wave that will arrive Friday. The cold front will finally shift through the interior of Western Washington later on Friday and the precip will turn more showery. There's a Winter weather advisory for the Olympics with snow at the higher elevations and with a decent amount of rain in the lower elevations in southerly flow aloft. A flood watch is up for the Skokomish River in Mason county. After the front moves through, the air will destabilize for a chance of a couple of thunderstorms near the coast, and the upper trough will shift ashore on Saturday with showery weather over the weekend at times through Saturday and the chance for another frontal system Sunday. 19

LONG TERM /MONDAY THROUGH THURSDAY/. It looks like an upper trough will be a fixture for the weather along the West Coast into next week. No doubt there will be showery periods, but also some sunbreaks at times. The air mass will be a bit cool and the snow level relatively low. The 6-10 day outlook is showing that about the western third of the country is likely to be cool--but especially as you go south toward southern California. Precipitation ranges from favoring somewhat drier than normal conditions across Washington State, to wetter conditions favored for the southern half of California. So, it would seem that weather systems are likely to be splitting with most of the action going in to the south of WA. 19

AVIATION. Southwesterly flow will persist aloft as an upper level trough digs into the northeastern Pacific and becomes the dominant influence across the Pacific Northwest. Expect periods of rain to continue for area terminals as the frontal system slowly progresses through the region through Friday. Ceilings and visibilities at area TAF sites are mainly a mix of MVFR and VFR and expect that trend to continue into Friday, with lower cigs and visibilities possible in areas of heavier rain. Gusty conditions persist as well, mainly for terminals along the coast (KHQM) and across the Northern Interior (KPAE,KBLI). Elsewhere, southerly surface winds primarily at 8-13 kts expected, shifting more southeasterly tonight.

KSEA . Southerly winds generally between 7-13 knots. Rain to continue into Friday. Conditions currently VFR, becoming MVFR in any heavier showers. 14

MARINE. A vigorous cold front will slowly move through the area waters through Friday. Gales will continue for the coastal waters through Friday night, with brief lulls in the winds at times. Gusty winds will persist across portions of the Eastern Strait and Northern Interior waters as well through Friday as the frontal system makes its way through the region.

Meanwhile, offshore swells will continue to build this evening and remain elevated, primarily between 13-18 feet, into early Friday morning before briefly subsiding ahead of another swell train expected to arrive overnight into Saturday.

A number of marine headlines are posted for area waters today and into Friday evening, including offshore gale warnings and Small Craft Advisories for much of the inland waters. In addition, a gale warning is in effect for the Northern Inland waters and the Eastern Strait for Friday as the front moves through the area. Additional marine headlines are likely Sunday into early next week as the unsettled pattern continues. 33/14

HYDROLOGY. Stalling front will keep rain focused in the Olympics in southerly flow aloft (with snow higher elevations). With 2-3" of rain for the Skokomish basin, a flood watch is up for that river.

SEW WATCHES/WARNINGS/ADVISORIES. WA . Flood Watch through Friday afternoon for Hood Canal Area-Lower Chehalis Valley Area-Olympics.

Winter Weather Advisory until 10 AM PST Friday for Olympics.

PZ . Gale Warning until 10 PM PST Friday for Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-Coastal Waters From Cape Flattery To James Island Out 10 Nm-Coastal Waters From James Island To Point Grenville 10 To 60 Nm-Coastal Waters From James Island To Point Grenville Out 10 Nm-Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm.

Small Craft Advisory until 4 PM PST Saturday for Grays Harbor Bar.

Gale Warning until 1 AM PST Saturday for East Entrance U.S. Waters Strait Of Juan De Fuca-Northern Inland Waters Including The San Juan Islands.

Small Craft Advisory until 4 AM PST Saturday for Central U.S. Waters Strait Of Juan De Fuca-West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 1 AM PST Saturday for Admiralty Inlet.

Small Craft Advisory from 6 AM Friday to 10 AM PST Saturday for Puget Sound and Hood Canal.



www.weather.gov/seattle

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
WPTW1 - 9441102 - Westport, WA	6 mi	78 min	SSE 9.9 G 14	47°F	48°F		1014.4 hPa
46211 - Grays Harbor, WA (036)	13 mi	58 min			47°F	13 ft
TOKW1 - 9440910 - Toke Point, WA	13 mi	54 min	E 8.9 G 9.9	48°F	48°F		1013.9 hPa (-1.7)
46099	31 mi	184 min	SE 18	48°F	48°F		1013.2 hPa
46243 - Clatsop Spit, OR - 162	47 mi	58 min			47°F	14 ft
ASTO3 - 9439040 - Astoria, OR	49 mi	54 min	S 2.9 G 6	46°F	44°F		1013.4 hPa (-2.3)

Wind History for Westport, WA

(wind in knots)    EDIT      (on/off)   Help

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SE11 G17

SE13 G22

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S20 G28

S17 G27

S16 G25

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1 day ago

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NE4

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NW7 G10

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Hoquiam, Bowerman Airport, WA	6 mi	61 min	E 12	6.00 mi	Light Rain Fog/Mist	47°F	46°F	97%	1014.9 hPa

Link to 5 minute data for KHQM

Wind History from HQM (wind in knots)

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Tide / Current Tables for Markham, Grays Harbor, Washington

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Tide / Current Tables for Grays Harbor Entrance, Washington Current

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Weather Map

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GEOS Local Image of PacificNorthwest    EDIT
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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