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Marine Weather and Tide Forecast for Bryn Mawr-Skyway, WA

December 7, 2024 3:21 PM PST (23:21 UTC) Change Location
Sunrise 7:41 AM   Sunset 4:19 PM
Moonrise 12:27 PM   Moonset 11:18 PM 
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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- 214 Pm Pst Sat Dec 7 2024

.small craft advisory in effect through late tonight - .

Tonight - S wind 15 to 25 kt. Waves around 2 ft or less. A slight chance of rain early this evening, then rain late this evening and early morning. A chance of rain late.

Sun - S wind 5 to 10 kt. Waves around 2 ft or less. Rain, mainly in the morning.

Sun night - S wind around 5 kt. Waves around 2 ft or less. Patchy fog after midnight.

Mon - SW wind around 5 kt, veering to N in the afternoon. Waves around 2 ft or less. Patchy fog in the morning.

Mon night - N wind around 5 kt. Waves around 2 ft or less.

Tue - N wind around 5 kt. Waves around 2 ft or less.

Tue night - E wind around 5 kt, veering to S after midnight. Waves around 2 ft or less. A chance of rain after midnight.

Wed - S wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain in the morning, then rain likely in the afternoon.

Wed night - S wind 5 to 10 kt. Waves around 2 ft or less. Rain likely.

Thu - S wind 5 to 10 kt. Waves around 2 ft or less. Rain likely.

Thu night - S wind 5 to 10 kt. Waves around 2 ft or less. Rain likely.
PZZ100 214 Pm Pst Sat Dec 7 2024

Synopsis for the northern and central washington coastal and inland waters - The second of a pair of frontal systems will cross the waters tonight. Surface high pressure will rebuild across the waters Sunday afternoon and move inland Sunday night. The ridge will remain over the waters into Tuesday. Another front will reach the area Wednesday night.

7 Day Forecast for Marine Location Near Bryn Mawr-Skyway, WA
   
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Tide / Current for Duwamish Waterway, Washington
  
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Duwamish Waterway
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Sat -- 02:36 AM PST     0.00 feet Low Tide
Sat -- 07:43 AM PST     Sunrise
Sat -- 10:02 AM PST     12.15 feet High Tide
Sat -- 12:27 PM PST     Moonrise
Sat -- 04:18 PM PST     Sunset
Sat -- 04:31 PM PST     5.93 feet Low Tide
Sat -- 08:39 PM PST     7.82 feet High Tide
Sat -- 11:17 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
        
Sorry tide depth graphs only, please select another station.

Duwamish Waterway, Washington, Tide feet
12
am
2.8
1
am
1.2
2
am
0.2
3
am
0.1
4
am
1.1
5
am
3
6
am
5.5
7
am
8
8
am
10.2
9
am
11.6
10
am
12.1
11
am
11.8
12
pm
10.8
1
pm
9.4
2
pm
7.9
3
pm
6.6
4
pm
6
5
pm
6
6
pm
6.5
7
pm
7.1
8
pm
7.7
9
pm
7.8
10
pm
7.3
11
pm
6.3

Tide / Current for Restoration Point, 0.6 miles ESE of, Washington Current
  
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Restoration Point
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Sat -- 03:20 AM PST     0.00 knots Slack
Sat -- 06:02 AM PST     0.70 knots Max Flood
Sat -- 07:44 AM PST     Sunrise
Sat -- 10:05 AM PST     -0.00 knots Slack
Sat -- 12:28 PM PST     Moonrise
Sat -- 01:27 PM PST     -0.66 knots Max Ebb
Sat -- 04:18 PM PST     Sunset
Sat -- 06:13 PM PST     0.00 knots Slack
Sat -- 06:32 PM PST     0.05 knots Max Flood
Sat -- 08:07 PM PST     -0.00 knots Slack
Sat -- 11:17 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
        
Sorry tide depth graphs only, please select another station.

Restoration Point, 0.6 miles ESE of, Washington Current, knots
12
am
-0.8
1
am
-0.6
2
am
-0.4
3
am
-0.1
4
am
0.3
5
am
0.6
6
am
0.7
7
am
0.6
8
am
0.5
9
am
0.3
10
am
0
11
am
-0.3
12
pm
-0.5
1
pm
-0.7
2
pm
-0.6
3
pm
-0.5
4
pm
-0.4
5
pm
-0.2
6
pm
-0
7
pm
0
8
pm
0
9
pm
-0.1
10
pm
-0.3
11
pm
-0.5

Area Discussion for Seattle, WA
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FXUS66 KSEW 072238 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 238 PM PST Sat Dec 7 2024

SYNOPSIS
A cold front will continue to sweep across western Washington today, bringing snow levels down to 3000 ft and allowing for significant mountain snow through Sunday. A brief break in the active pattern is expected Monday and Tuesday as high pressure builds overhead. Additional systems will likely bring in more lowland rain and mountain snow towards the latter half of next week.

SHORT TERM /TONIGHT THROUGH TUESDAY/
An upper level trough will continue to dig into the region today, sliding a cold front inland throughout the afternoon and evening. As snow levels drop to near 3000 ft behind the cold front, shower activity and orographically enhanced precipitation paired with onshore flow will allow for significant snowfall accumulation in the mountains. The heaviest snowfall rates will occur where convergence zone showers set up tonight, with current radar already showing enhanced echoes over the central Cascades moving towards Stevens Pass and the central Cascades. The trough will continue to dig southward into the region on Sunday, bringing in another round of widespread shower activity resulting in lowland rain and additional mountain snow.
The highest snowfall totals throughout the course of the weekend will be focused over the central and northern Cascades, where accumulations could reach 1 to 2 feet, including through Stevens Pass. Snoqualmie Pass is on track to see lower snowfall totals of 6 to 10 inches over the weekend. Accumulations southward towards Mount Rainier are on track to top out at 6 to 10 inches.

Active weather will come to an end by Sunday night as surface high pressure and an associated upper level ridge settle into the region. The first half of next week will see a period of dry conditions with some sun breaks through the clouds each afternoon.
Monday night looks to be the coldest night of the period, with overnight lows bottoming out near or below freezing across most of the area early Tuesday morning. Tuesday is on track to be the coldest day of the period, with high temperatures several degrees below normal in the low to mid 40s across the lowlands.

LONG TERM /WEDNESDAY THROUGH SATURDAY/
Forecast models have come into slightly better agreement over potential for active weather to return by the middle of next week. Ensemble forecasts continue to differ on how long the upper level ridge will persist over the region, through solutions generally weaken the ridge through the end of the week with a return to troughing by next weekend. Operational runs indicate several shortwaves that may move through the ridge, bringing several chances for additional rounds of rain, breezy conditions, and mountain snow.

15

AVIATION
Westerly flow aloft late today and tonight will become northwesterly on Sunday as an upper trough and associated frontal system moves onshore. A mixed bag of MVFR and low VFR ceilings in post-frontal showers will briefly become mostly VFR around 00Z except in and around a convergence zone in the vicinity of KPAE extending into the Cascades. Ceilings will deteriorate to MVFR areawide once again by around 06Z with areas of IFR early Sunday morning as the second of a pair of frontal system moves onshore.
These conditions will persist through much of Sunday. Gusty S/SW surface winds will continue into Sunday morning before easing.

KSEA...A brief period of VFR ceilings are expected this afternoon as a convergence zone forms and stays well north of the terminal. A secondary frontal system moving into the area will bring ceilings back down to solid MVFR in increasing rain overnight. There's a least a 40-50% chance of a some IFR ceilings between 12Z-18Z Sunday as the front drags across the area. S/SW surface winds 10-15 gusting 20-25 knots will continue into Sunday A.M. before easing.

27

MARINE
The second of a pair of frontal systems will cross the waters tonight. Surface high pressure will rebuild across the waters Sunday afternoon and move inland Sunday night. The ridge will remain over the waters into Tuesday. Another front will reach the area Wednesday night. Small craft advisory conditions are expected across the coastal and most of the inland waters with the front tonight.

Seas around 10 feet today building to 14 to 19 feet tonight.
Seas subsiding to 12 to 14 feet Sunday night and to below 10 feet Monday.

Another round of headlines are expected by midweek with the next front.

27

HYDROLOGY
Systems moving through the area this weekend will bring significant precipitation to the area especially the mountains. This will result in rises on rivers across the region.
While the precipitation forecast continues to fluctuate a bit run to run, 2 to 3 inches of rainfall appears most likely result.
However, high end potential amounts would reach into the 4 to 5 inch range across portions of the Olympics and the northern and central Cascades. Current forecast for the Skokomish has it cresting slightly below flood stage Sunday morning. A brief period of drier conditions will allow for rivers to recede early next week, but another round of hydrologically significant precipitation may follow later next week.

Bower/Felton

SEW WATCHES/WARNINGS/ADVISORIES
WA...Flood Watch from 4 PM PST this afternoon through Sunday evening for Hood Canal Area-Lower Chehalis Valley Area-Olympics.

Winter Storm Warning from 4 PM this afternoon to 4 PM PST Sunday for West Slopes North Cascades and Passes-West Slopes North Central Cascades and Passes.

Winter Weather Advisory from 4 PM this afternoon to 4 PM PST Sunday for West Slopes South Central Cascades and Passes.

PZ...Small Craft Advisory until 6 PM PST Sunday for Grays Harbor Bar- West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until midnight PST tonight for Central U.S.
Waters Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 4 AM PST Sunday for Puget Sound and Hood Canal.

Small Craft Advisory until 6 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.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
WPOW1 - West Point, WA 14 mi81 minSSW 18G21 51°F 29.9851°F
TCMW1 - 9446482 - Tacoma Met, WA 19 mi51 minSSW 14G19 49°F
TCNW1 - 9446484 - Tacoma, WA 19 mi51 min 52°F30.05
BMTW1 20 mi51 minN 6G13 49°F 30.00
46121 30 mi161 minWSW 14 50°F 44°F
46125 33 mi161 minNW 9.7 50°F 48°F
PTWW1 - 9444900 - Port Townsend, WA 49 mi51 minSW 14G18 51°F 49°F29.97


Wind History for No Ports station near this location
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Weather Map
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GEOS Local Image of Pacific Northwest  
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Seattle/Tacoma, WA,





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