Saturday, April10, 2021
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Marine Weather and Tides
Keyport, 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 6:28AMSunset 7:55PM Saturday April 10, 2021 5:01 AM PDT (12:01 UTC) Moonrise 5:29AMMoonset 5:34PM Illumination 3% Phase: Waning Crescent; Moon at 28 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- 240 Am Pdt Sat Apr 10 2021
.small craft advisory in effect until 6 am pdt early this morning...
Today..N wind 15 to 20 kt north part and S 15 to 20 kt south part this morning, becoming north 10 to 20 kt this afternoon. Wind waves 1 to 3 ft. A chance of showers.
Tonight..NW wind 10 to 20 kt easing to 10 kt after midnight. Wind waves 1 to 3 ft subsiding to 1 ft or less after midnight. A chance of showers in the evening.
Sun..Light wind becoming N 5 to 15 kt in the afternoon. Wind waves less than 1 ft becoming 2 ft or less in the afternoon.
Sun night..N wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Mon..N wind 15 to 25 kt. Wind waves 2 to 4 ft.
Mon night..N wind 10 to 20 kt. Wind waves 1 to 3 ft.
Tue..N wind to 10 kt. Wind waves 1 ft or less.
Wed..Light wind becoming N to 10 kt. Wind waves less than 1 ft becoming 1 ft or less.
PZZ100 240 Am Pdt Sat Apr 10 2021
Synopsis for the northern and central washington coastal and inland waters..Strong onshore flow continues early today behind a cold front that continues to advance inland. Onshore flow will ease late Saturday, with high pressure building over the waters for the start of next week.


7 Day Forecast for Marine Location Near Keyport, WA
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location: 47.7, -122.63     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 101029 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 329 AM PDT Sat Apr 10 2021

SYNOPSIS. Lowland rain showers and mountain snow will continue across Western Washington throughout the day today in the wake of a frontal system, before tapering tonight. Drier weather with a gradual warming trend will persist next week as upper level ridging influences the region.

SHORT TERM /TODAY THROUGH MONDAY/. A frontal system is currently making its way southeastward across Western Washington early this morning, with radar showing the main band of precipitation associated with this feature moving into the Cascades and through Pierce and Lewis counties as of 2AM. Precipitation in the wake of the frontal boundary has become more showery across the region, except for a developing convergence zone across Snohomish County. Hi-res guidance continues to indicate a PSCZ lingering into the evening hours and drifting southward across the Sound this afternoon. Meanwhile, snow levels have started to fall overnight to near 1500 feet and will continue to fall to 500-1000 feet early this morning. A brief chance of a rain/snow mix remains possible in showers for spots across the lowlands this morning, however no accumulations are expected. Snow will continue for the passes today, with locally heavier amounts and rates possible within the vicinity of the convergence zone. Thus, a winter weather advisory remains in effect for the Cascades through the afternoon, with an additional 1-8 inches possible. Overall, expect showers to persist throughout the day, before tapering tonight. Windy conditions will peak early this morning, with breezy winds persisting throughout the day and easing this evening. Temperatures will remain rather cool today, with highs in the upper 40s to low 50s for most areas.

Upper level ridging will then start to build into Western Washington on Sunday, bringing about a change to drier conditions. Sunday morning lows will be near freezing for many areas across the interior, however could dip into the mid to upper 20s across the Southern Sound and along the Chehalis River Valley. Areas of frost are expected through the early morning hours. Highs will rebound Sunday into the low to mid 50s across the area.

A upper level trough will then drop southward across Eastern Washington on Monday, moving the ridge further offshore-though, Western Washington will remain dry. A gradual warm up trend commences on Monday, with temperatures climbing a few degrees to the mid 50s to low 60s across the region.

LONG TERM /TUESDAY THROUGH FRIDAY/. Primarily dry weather expected through the week with upper level ridging and offshore flow influencing the region. A rex block pattern looks to develop late week, with high pressure aloft to the north and low pressure aloft to the south. Temperatures will gradually warm throughout the week, potentially approaching 70 by Friday. 14

AVIATION. A frontal system and an associated upper trough will cross the region with widespread showers and mix of mostly MVFR and VFR ceilings. A Puget Sound Convergence Zone will develop and persist this morning between KAWO and KPAE, before drifting south later today. Outside of the convergence zone, scattered showers will maintain brief lower ceilings/visibilities. These showers will become increasingly confined to the mountains this afternoon. Surface winds remain gusty through the day with some gusts to 20 kts remaining.

KSEA . Mostly VFR ceilings this morning with scattered lower cloud deck around 2000 ft and occasional showers. Convergence zone remains well north of terminal this morning, maintaining southerly surface winds. Winds expected to shift west this morning and then more solidly northerly later in the afternoon. Winds remain gusty through the day, before easing after 03z tonight. Cullen

MARINE. Strong onshore flow continues across the waters this morning behind the cold front, which is advancing east of Puget Sound and into Cascades this morning. Strong gales will continue through the central and eastern Strait of Juan de Fuca this morning, with breezy advisory strength winds over the remaining interior waters easing through the morning and later today. Northerly winds then begin to build over the waters Sunday through the early part of next week as high pressure builds over the northeastern Pacific. A thermal trough may build up the Oregon coast and bring maintain breezy northerly winds and perhaps offshore winds by the middle of the week. Seas over the coastal waters continue to build early this morning, reaching 10 to 14 feet today and then subsiding below 10 ft on Sunday. Cullen

HYDROLOGY. River flooding not expected over the next 7 days.

SEW WATCHES/WARNINGS/ADVISORIES. WA . Winter Weather Advisory until 5 PM PDT this afternoon for Cascades of Pierce and Lewis Counties-Cascades of Snohomish and King Counties-Cascades of Whatcom and Skagit Counties.

PZ . Small Craft Advisory until 11 AM PDT Sunday 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 from 10 AM this morning to 3 AM PDT Sunday for Grays Harbor Bar.

Gale Warning until noon PDT today for Central U.S. Waters Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 11 AM PDT this morning for Admiralty Inlet-Northern Inland Waters Including The San Juan Islands.

Small Craft Advisory until 11 PM PDT this evening for West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 6 AM PDT early this morning for Puget Sound and Hood Canal.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPOW1 - West Point, WA 11 mi61 min SSW 6 G 7 43°F 1017.4 hPa (+1.7)35°F
PTWW1 - 9444900 - Port Townsend, WA 29 mi61 min SW 11 G 17 40°F 47°F1018.2 hPa (+2.0)
TCMW1 - 9446482 - Tacoma Met, WA 31 mi61 min SW 12 G 16
TCNW1 - 9446484 - Tacoma, WA 32 mi61 min 44°F 48°F1018.9 hPa (+1.0)
SISW1 - Smith Island, WA 44 mi31 min WNW 25 G 31 41°F 1017 hPa31°F

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bremerton, Bremerton National Airport, WA17 mi65 minSSW 1110.00 miMostly Cloudy38°F35°F89%1017.4 hPa
Boeing Field - King County International Airport, WA21 mi68 minSW 11 G 1510.00 miMostly Cloudy42°F32°F68%1016.8 hPa
Everett Snohomish County, WA24 mi68 minVar 39.00 miLight Rain37°F33°F86%1017.2 hPa

Link to 5 minute data for KPWT

Wind History from PWT (wind in knots)
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Tide / Current Tables for Poulsbo, Liberty Bay, Washington
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Poulsbo
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Sat -- 05:14 AM PDT     11.78 feet High Tide
Sat -- 06:28 AM PDT     Moonrise
Sat -- 06:30 AM PDT     Sunrise
Sat -- 11:21 AM PDT     2.75 feet Low Tide
Sat -- 05:26 PM PDT     10.09 feet High Tide
Sat -- 06:34 PM PDT     Moonset
Sat -- 07:54 PM PDT     Sunset
Sat -- 11:12 PM PDT     2.59 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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34.97.29.41111.811.510.285.73.82.834.15.87.79.2109.997.25.23.42.6

Tide / Current Tables for West Point, Seattle, 0.3 miles W of, Washington Current
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West Point
Click for Map
Sat -- 01:40 AM PDT     0.79 knots Max Flood
Sat -- 04:52 AM PDT     -0.00 knots Slack
Sat -- 06:28 AM PDT     Moonrise
Sat -- 06:30 AM PDT     Sunrise
Sat -- 07:55 AM PDT     -0.89 knots Max Ebb
Sat -- 11:36 AM PDT     0.00 knots Slack
Sat -- 02:10 PM PDT     0.67 knots Max Flood
Sat -- 05:13 PM PDT     -0.00 knots Slack
Sat -- 06:34 PM PDT     Moonset
Sat -- 07:53 PM PDT     Sunset
Sat -- 08:07 PM PDT     -0.76 knots Max Ebb
Sat -- 11:32 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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0.50.70.80.60.3-0.1-0.5-0.8-0.9-0.8-0.5-0.20.20.50.70.60.40.1-0.3-0.6-0.8-0.7-0.5-0.2

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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