Saturday, November28, 2020
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Marine Weather and Tides
Herron Island, WA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:32AMSunset 4:27PM Saturday November 28, 2020 7:55 PM PST (03:55 UTC) Moonrise 3:48PMMoonset 5:43AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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 Pm Pst Sat Nov 28 2020
Tonight..Light wind becoming se to 10 kt after midnight. Wind waves 1 ft or less. Patchy dense fog after midnight.
Sun..S wind to 10 kt rising to 5 to 15 kt in the afternoon. Wind waves 2 ft or less.
Sun night..S wind 15 to 25 kt rising to 20 to 30 kt after midnight. Wind waves 2 to 5 ft. A slight chance of rain in the evening then rain likely after midnight.
Mon..SW wind 20 to 30 kt. Wind becoming sw 15 to 25 kt S part and nw 15 to 25 kt N part in the afternoon. Wind waves 2 to 5 ft.
Mon night..NW wind 10 to 20 kt N part and sw wind 5 to 15 kt S part in the evening. Wind becoming light all areas after midnight. Wind waves 1 to 3 ft in the evening becoming less than 1 ft.
Tue..Light wind becoming N to 10 kt in the afternoon. Wind waves 1 ft or less.
Tue night..N wind 5 to 15 kt. Wind waves 2 ft or less.
Wed..N wind 5 to 15 kt becoming ne. Wind waves 2 ft or less.
Thu..SE wind to 10 kt becoming light. Wind waves 1 ft or less.
PZZ100 240 Pm Pst Sat Nov 28 2020
Synopsis for the northern and central washington coastal and inland waters..A vigorous frontal system will move through the area Sunday night and Monday morning followed by a good shot of onshore flow later Monday. Weak high pressure will move over the area Monday night then offshore flow will develop Tuesday and continue into Wednesday and Thursday.


7 Day Forecast for Marine Location Near Herron Island, WA
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location: 47.2, -122.94     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 282357 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 357 PM PST Sat Nov 28 2020

SYNOPSIS. A drying trend will continue into tonight and persist into Sunday as a weak upper level ridge traverses the region. A stronger and more organized front will move through the area on Monday, bringing gusty winds and widespread precipitation to the area. An upper level ridge will build in behind the system on Tuesday and remain across the region through much of the week, resulting in drier conditions in the long term.

SHORT TERM /TONIGHT THROUGH TUESDAY/. A few lingering light showers across portions the central Sound this afternoon. Overall shower activity has mainly tapered across the area as a weak upper level ridge traverses the region. Satellite imagery still showing decent cloud cover across the Sound, however have started to see some clearing this afternoon. Overall, expect the drying trend to continue tonight and into Sunday. Afternoon temperatures are currently in the 40s across the lowlands.

Dry conditions will persist through the first half of Sunday for the majority of the area and ahead of a stronger frontal system slated to move through the region Monday morning. However, a leading warm front looks to brush the Olympic Peninsula late Sunday morning into Sunday afternoon. Thus, have maintained a chance of POPs for portions of the Olympics. Mid to upper level clouds will then gradually start to make their way across Western Washington Sunday afternoon. Guidance continues to hint at the stronger south to southeasterly winds developing ahead and in the vicinity of the frontal boundary Sunday night into Monday morning, with gusts to 50 mph possible for portions of the Pacific Coast, the San Juans, Admiralty Inlet, and western Whatcom and Skagit counties. As such, have issued wind advisories for these areas with the afternoon forecast package. In addition to this, the frontal system will bring another round of lowland rain and mountain snow to the area. Snow levels will rise a bit on Sunday, before dropping back down to 2500-3500 ft by Monday morning. A few inches will be possible at the passes, however looks to remain below advisory criteria for now. Precipitation will then taper by Monday afternoon and evening as upper level ridging moves back into the area and the upper level trough exits to the east.

Drier conditions are in store starting Tuesday as the upper level ridge builds and becomes the dominant influence across the region. Expect areas of patchy morning fog to give way to mostly sunny skies. Temperatures will be in the upper 40s to low 50s across the area.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. Both deterministic and ensemble guidance continue to hint at dry conditions for the second half of the week as upper level ridging remains the dominant influence across the Pacific Northwest. A front looks to approach the region on Thursday, but most guidance continues to show it splitting and breaking up before it reaches Western Washington- keeping the area dry. Some patchy fog and low stratus will be possible in the mornings and temperatures look to remain in the upper 40s to low 50s for much of the time frame. 14

AVIATION. An upper ridge will shift inland tonight and Sunday with westerly flow aloft tonight becoming southwest on Sunday. At the surface, weak high pressure over the area will shift inland tonight and a frontal system will approach from the west on Sunday.

The air mass will be stable. Low clouds will continue to slowly lift and break up this afternoon. Most areas should scatter this evening. Areas of low clouds and fog are likely again Monday morning. Schneider

KSEA . Low clouds should continue to lift this afternoon then scatter this evening. Some fog or low clouds are possible again Monday morning. North to northeast wind 4-8 knots. Schneider

MARINE. A vigorous frontal system will bring gale force southerly winds to most waters Sunday night. A westerly gale is likely in the Strait behind the front on Monday.

Onshore flow will rapidly ease Monday night as weak high pressure moves over the area. Offshore flow will develop on Tuesday and continue into Wednesday and Thursday. Schneider

HYDROLOGY. No river flooding is expected during the next seven days.

SEW WATCHES/WARNINGS/ADVISORIES. WA . Wind Advisory from 7 PM Sunday to 5 AM PST Monday for Admiralty Inlet Area-San Juan County-Western Skagit County-Western Whatcom County.

Wind Advisory from 5 PM Sunday to 10 AM PST Monday for Central Coast-North Coast.

PZ . Small Craft Advisory until 6 PM PST this evening for Grays Harbor Bar.

Small Craft Advisory from 4 AM to 5 PM PST 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.

Gale Warning from 5 PM Sunday to 10 AM 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.

Small Craft Advisory from 10 AM to 7 PM PST Sunday for East Entrance U.S. Waters Strait Of Juan De Fuca-Northern Inland Waters Including The San Juan Islands-West Entrance U.S. Waters Strait Of Juan De Fuca.

Gale Warning from 7 PM Sunday to 4 PM PST Monday for East Entrance U.S. Waters Strait Of Juan De Fuca.

Gale Warning from 7 PM Sunday to 5 AM PST Monday for Northern Inland Waters Including The San Juan Islands.

Gale Watch from Sunday evening through Monday morning for West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory from 10 AM Sunday to 7 PM PST Monday for Admiralty Inlet.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46121 12 mi38 min 3.9 46°F 1028.9 hPa42°F
TCMW1 - 9446482 - Tacoma Met, WA 28 mi56 min S 1 G 1.9
TCNW1 - 9446484 - Tacoma, WA 28 mi56 min 45°F 52°F1029.3 hPa (+0.0)
WPOW1 - West Point, WA 42 mi56 min NE 4.1 G 4.1 45°F 1028.9 hPa (-0.3)43°F
46120 48 mi40 min ENE 1.9 44°F 1028.2 hPa42°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Shelton, Shelton Sanderson Field, WA11 mi63 minN 00.25 miFog36°F36°F100%1028.4 hPa
Olympia, Olympia Airport, WA15 mi62 minS 33.00 miFog/Mist37°F37°F100%1028.7 hPa
Tacoma, Tacoma Narrows Airport, WA20 mi63 minN 010.00 miFair41°F37°F89%1028.7 hPa
Fort Lewis / Gray U. S. Army Airfield, WA21 mi58 minSE 310.00 miOvercast38°F38°F100%1028.7 hPa
Bremerton, Bremerton National Airport, WA21 mi60 minN 07.00 miFair35°F34°F96%1029.3 hPa

Link to 5 minute data for KSHN

Wind History from SHN (wind in knots)
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Last 24hrS4SW6SW4W4SW7SW10W7W5W3CalmNW3CalmW4CalmW3NW3CalmSE3S4CalmCalmCalmNE3Calm
1 day agoS4S3CalmCalmSW3SW3SW4SW3SW3SW4SW4CalmCalmCalmSW3SW3SW6W7SW8SW7W5SW4S4SW5
2 days agoNW3SW4CalmN3CalmCalmCalmCalmSW3CalmCalmCalmCalmSW5SW6SW8SW7SW9SW10SW8W6SW4SW5Calm

Tide / Current Tables for Arcadia, Washington
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Arcadia
Click for Map
Sat -- 05:22 AM PST     13.40 feet High Tide
Sat -- 05:43 AM PST     Moonset
Sat -- 07:34 AM PST     Sunrise
Sat -- 10:41 AM PST     6.55 feet Low Tide
Sat -- 03:43 PM PST     13.66 feet High Tide
Sat -- 03:47 PM PST     Moonrise
Sat -- 04:24 PM PST     Sunset
Sat -- 11:02 PM PST     -0.11 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.14.67.610.412.413.313.21210.18.16.86.67.69.511.713.313.612.811.18.65.62.80.7-0.1

Tide / Current Tables for Pickering Passage, South, Washington Current
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Pickering Passage
Click for Map
Sat -- 02:27 AM PST     1.40 knots Max Flood
Sat -- 05:29 AM PST     -0.00 knots Slack
Sat -- 05:43 AM PST     Moonset
Sat -- 07:34 AM PST     Sunrise
Sat -- 09:07 AM PST     -1.07 knots Max Ebb
Sat -- 11:52 AM PST     0.00 knots Slack
Sat -- 02:18 PM PST     0.92 knots Max Flood
Sat -- 03:47 PM PST     Moonrise
Sat -- 04:22 PM PST     -0.01 knots Slack
Sat -- 04:24 PM PST     Sunset
Sat -- 08:36 PM PST     -1.72 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.411.41.310.3-0.3-0.7-1-1.1-1-0.60.10.60.90.80.3-0.4-1-1.4-1.7-1.7-1.5-0.9

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Seattle/Tacoma, WA
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