Sunday, March7, 2021
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Marine Weather and Tides
Skokomish, 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.

Sunrise 6:37AMSunset 6:07PM Sunday March 7, 2021 3:51 PM PST (23:51 UTC) Moonrise 3:37AMMoonset 11:50AM Illumination 31% 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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PZZ135 Puget Sound And Hood Canal- 248 Pm Pst Sun Mar 7 2021
.small craft advisory in effect until 7 pm pst this evening...
Tonight..S wind 15 to 25 kt becoming se 5 to 15 kt after midnight. Wind waves 2 to 4 ft subsiding to 2 ft or less. A slight chance of tstms in the evening.
Mon..NE wind to 10 kt in the morning becoming light. Wind waves 1 ft or less.
Mon night..S wind to 10 kt. Wind waves 1 ft or less. A slight chance of showers in the evening.
Tue..S wind to 10 kt. Wind waves 1 ft or less.
Tue night..Light wind becoming N to 10 kt after midnight. Wind waves 1 ft or less.
Wed..Light wind. Wind waves less than 1 ft.
Wed night..Light wind. Wind waves less than 1 ft.
Thu..Light wind. Wind waves less than 1 ft.
Fri..Light wind. Wind waves less than 1 ft.
PZZ100 248 Pm Pst Sun Mar 7 2021
Synopsis for the northern and central washington coastal and inland waters..Winds will gradually start to ease this evening, in a post-frontal environment, though winds may briefly be gusty in any heavier showers or Thunderstorms that move over the area waters. Seas along the coast will gradually increase this afternoon and tonight as a larger swell train arrives in the region. Offshore flow will then prevail early next week with low pressure over the offshore waters.


7 Day Forecast for Marine Location Near Skokomish, WA
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location: 47.36, -123.12     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 072310 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 310 PM PST Sun Mar 7 2021

SYNOPSIS. Showers today with an upper low offshore. The upper low will drift south along the coast Monday and Tuesday for mainly dry weather, though a slight chance of showers possible. Drier weather Thursday into Friday with the next system approaching the area on Saturday.

SHORT TERM /TONIGHT THROUGH WEDNESDAY/. Showers across the area this afternoon with an upper low offshore. Thunderstorm activity so far today has been mainly confined to the offshore waters and the coast, though thunderstorm also near the Kitsap/Lewis County area. There has been a mix of precipitation within heavy bands of showers, with even areas of wet snow with colder air aloft and some temperatures in the upper 30s to low 40s. Expect this to continue through this evening before tapering off early tonight. Isolated thunderstorm activity will be possible into this evening, though the best chance will mainly be along the coast. Temperatures tonight will get rather cool as clouds clear, lows in the low 30s are possible, especially across the southern Puget Sound. A few slick spots may be possible into Monday morning in these areas.

The upper low will drift south along the coast Monday into Tuesday. Mainly dry weather is expected, however, some of the latest hi-res guidance suggests the possibility of a few bands of precipitation sliding north into the area. The first of these potential rain bands would be Monday evening into the night, and then another late Tuesday. Otherwise, dry weather through Tuesday with temperatures in the upper 40s to mid 50s.

A trough will slide east of the area on Wednesday, the forecast is for drier weather, but trends in the guidance should be monitored if any precipitation is possible, if the trough interacts with the upper low sliding south. If precipitation were to develop, the most likely areas would be in the Cascades. Temperatures in the upper 40s to mid 50s Wednesday.

LONG TERM /THURSDAY THROUGH SUNDAY/. Ridging will slide into the Pacific Northwest Thursday for drier weather Thursday into Friday. There is some uncertainty as to the timing of the next approaching trough late this week. GFS ensembles are a bit quicker with the trough with increasing rain chances late Friday, with ECMWF guidance drier Friday, with rain into Saturday. Precipitation with the trough will likely move through over the weekend. Temperatures in the upper 40s to mid 50s through the week.

AVIATION. Upper level low offshore across the northeastern Pacific will maintain southwesterly flow aloft through the TAF period. Radar this afternoon currently showing showers traversing the region in an unstable, post-frontal environment. The chance of thunderstorms will remain possible for terminals near the coast and for areas along the Sound through the remainder of this afternoon and into this evening, with thunder chances waning after sunset. TAF sites across the region this afternoon are generally VFR-with some MVFR in the vicinity of showers. Some locations may briefly see ceilings and visibilities drop down to IFR or even LIFR in the heaviest showers. Overall, expect this trend to continue through this afternoon and early evening, with showers expected to taper across Western Washington tonight (near 06Z). Breezy winds from the S sustained between 8-16kts through early this evening, easing to 5-10kts later this evening and overnight. Gusts to 25kts possible at times. Winds will be gusty and erratic temporarily for terminals near or within any convective shower activity.

KSEA . Primarily VFR conditions this afternoon, though conditions could still drop down to MVFR or even IFR should any heavier shower activity make it into the vicinity of the terminal. Thunderstorms will be possible through the remainder of the afternoon and into early this evening, but chances will gradually wane by tonight. Winds may become gusty and erratic in the event that a thunderstorm develops in the near vicinity of the terminal. Overall, expect winds to be from the S at 8-16kts, with occasional gusts to 25kts. Winds to ease to 5-10kts late tonight and to persist through the overnight hours. 14

MARINE. Winds remain elevated across the majority of the area waters this afternoon, mainly in the vicinity of convective showers traversing the region. Given the unstable airmass in a post- frontal environment, will likely see showers and a few thunderstorms continue across the region through the afternoon hours and into this evening. Marine conditions in the immediate vicinity of any thunderstorms that develop may become erratic with brief gusty winds and small hail. Thus, small craft advisories remain in effect for winds across the majority of the inland waters through early this evening. Winds along the coastal waters will remain breezy into Monday and gradually ease late Monday morning.

Seas across the coastal waters continue to hover between 10-13 feet at 9 to 10 seconds this afternoon. Another large swell train 16-19 feet is on track to arrive in the region by later this afternoon and into this evening, with seas gradually expected to subside throughout the day on Monday. Seas look to fall below 10 feet again on Tuesday and remain below 10 feet through midweek. 14

HYDROLOGY. No river flooding expected over the next 7 days.

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Small Craft Advisory until 4 PM PST Monday 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-Grays Harbor Bar-West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 7 PM PST this evening for Admiralty Inlet-East Entrance U.S. Waters Strait Of Juan De Fuca- Northern Inland Waters Including The San Juan Islands-Puget Sound and Hood Canal.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 38 mi52 min S 6 G 18
TCNW1 - 9446484 - Tacoma, WA 38 mi52 min 48°F 48°F1021.6 hPa (+0.5)
WPOW1 - West Point, WA 42 mi52 min S 14 G 16 45°F 1020.8 hPa (+1.2)37°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Shelton, Shelton Sanderson Field, WA9 mi59 minW 67.00 miLight Rain42°F37°F82%1019.9 hPa
Bremerton, Bremerton National Airport, WA20 mi56 minWSW 15 G 227.00 miRain40°F35°F83%1021.7 hPa

Link to 5 minute data for KSHN

Wind History from SHN (wind in knots)
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1 day agoSW8S5S6CalmSE3SW36CalmCalmCalmS3S54S4S4S6S7S7S8W8W5SW8SW10W9
2 days ago3Calm4N5CalmN8NE5N7N8NE5NW3N4N4E33CalmCalmSW5S7S8S9S14
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Tide / Current Tables for Union, Washington
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Union
Click for Map
Sun -- 12:57 AM PST     10.66 feet High Tide
Sun -- 03:37 AM PST     Moonrise
Sun -- 05:36 AM PST     8.26 feet Low Tide
Sun -- 06:40 AM PST     Sunrise
Sun -- 10:33 AM PST     10.66 feet High Tide
Sun -- 11:49 AM PST     Moonset
Sun -- 06:06 PM PST     Sunset
Sun -- 06:17 PM PST     -0.35 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.410.710.49.78.98.48.38.79.31010.610.69.98.56.64.42.20.5-0.3-0.11.135.37.6

Tide / Current Tables for Hammersley Inlet, W of Skookum Pt, Washington Current
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Hammersley Inlet
Click for Map
Sun -- 02:07 AM PST     -0.00 knots Slack
Sun -- 03:36 AM PST     Moonrise
Sun -- 04:58 AM PST     -0.82 knots Max Ebb
Sun -- 06:39 AM PST     Sunrise
Sun -- 07:52 AM PST     0.00 knots Slack
Sun -- 10:23 AM PST     0.84 knots Max Flood
Sun -- 11:50 AM PST     Moonset
Sun -- 12:12 PM PST     -0.00 knots Slack
Sun -- 04:16 PM PST     -2.00 knots Max Ebb
Sun -- 06:06 PM PST     Sunset
Sun -- 08:17 PM PST     0.01 knots Slack
Sun -- 11:39 PM PST     1.86 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.40.80.1-0.5-0.7-0.8-0.7-0.50.10.50.80.70.1-0.5-1.2-1.7-2-1.9-1.6-1.1-0.30.61.41.8

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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