Saturday, May25, 2019 L-36.com


Marine Weather and Tides
Bryn Mawr-Skyway, WA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 5:19AMSunset 8:52PM Saturday May 25, 2019 3:57 AM PDT (10:57 UTC) Moonrise 12:51AMMoonset 10:32AM Illumination 61% Phase: Waning Gibbous; Moon at 21 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- 251 Am Pdt Sat May 25 2019
Today..S wind 5 to 15 kt. Wind waves 2 ft or less. A chance of showers in the morning then showers likely in the afternoon.
Tonight..N wind to 10 kt. Wind waves 1 ft or less. A chance of showers in the evening then a slight chance of showers after midnight.
Sun..N wind 5 to 15 kt. Wind waves 2 ft or less.
Sun night..NE wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Mon..SW wind to 10 kt. Wind waves 1 ft or less.
Mon night..S wind 5 to 15 kt. Wind waves 2 ft or less.
Tue..S wind 5 to 15 kt becoming sw to 10 kt. Wind waves 2 ft or less.
Wed..Light wind becoming variable to 10 kt. Wind waves 1 ft or less.
PZZ100 251 Am Pdt Sat May 25 2019
Synopsis for the northern and central washington coastal and inland waters..Onshore flow today will weaken becoming light tonight into Sunday. Onshore flow will increase again on Monday and continue through Wednesday with high pressure centered well offshore.


7 Day Forecast for Marine Location Near Bryn Mawr-Skyway, WA
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location: 47.52, -122.26     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 251016
afdsew
area forecast discussion
national weather service seattle wa
318 am pdt Sat may 25 2019

Synopsis Another upper level low will drop south today with
showers increasing over western washington throughout the day. While
chances for showers and isolated thunderstorms will linger in the
mountains through memorial day... Drier and warmer weather is
expected for the lowlands starting Sunday and into next week.

Short term today through Tuesday Current radar this early
morning remains pretty quiet while satellite shows low clouds in
place over the area but the bulk of moisture hanging out over the
coastal waters and moving to the south.

Models show that southerly flow is what will bring another upper
level low down along the coast and associated showers reaching
inland. Precip chances will gradually increase during the morning
hours with more widespread pops expected to kick in by late
morning early afternoon. Nothing breaks the stride of this system
though... As it will be down to the or ca border by tonight... Taking
precip activity with it. As this system plunges further south and
then moving inland by Sunday afternoon... Some wrap around moisture
may allow for mountain showers Sunday afternoon and evening. The
lowlands however should be able to remain dry and daytime highs will
rebound back into the 70s.

Upper level ridging off the coast will be the major weather feature
for memorial day keeping the majority of W wa dry and lowland temps
in the lower to mid 70s... Perfect for outdoor activities. Wrap
around moisture from the aforementioned low will still be an issue
for the cascades... And enough instability might be present for the
prospect for an afternoon early evening thunderstorm. Tuesday sees
the coastal ridge start to nudge its way inland... Allowing for warm
and dry conditions to continue. Smr

Long term Wednesday through Saturday This upper ridging will
remain in place over the area for the bulk of the extended with dry
conditions persisting. Low level onshore flow for much of this time
frame will keep afternoon high temperatures in check... Although
lowland interior locations are still looking at high temps in the
lower 70s. An upper level trough will start to nudge into the area
as early as Thursday night or as late as Saturday... Models are in
some disagreement as to when the pattern change will occur. But the
prospect for showers to return seems to be in the cards for next
weekend. Smr

Aviation Westerly flow aloft becoming southerly later this
morning then easterly this afternoon as an upper level low moves
south off the coast. Flow aloft becoming northeast overnight as
the low moves into northern california late tonight. In the lower
level onshore flow will becoming light tonight into Sunday.

Ceilings over the interior in the 3500-4500 foot range lowering to
1000 to 2000 feet by late morning and remaining in that range
through the afternoon. Improving trend this evening with low cloud
decks dissipating leaving just mid and high level clouds.

Ksea... Ceilings near 3500 feet lower to around 2500 feet by 15z
then down to around 1500 feet by 19z. Ceilings improving tonight
to AOA 10000 feet by Sunday morning. Southerly winds 4 to 8 knots
becoming northerly 00z-03z Sunday. Felton

Marine Onshore flow today will weaken becoming light
tonight into Sunday. Gale force winds over the outer coastal
waters and small craft advisory winds over the inner coastal
waters will ease to 20 knots or less tonight. Westerly swell will
subside below 10 feet tonight.

Onshore flow will increase again on Monday and continue through
Wednesday with high pressure centered well offshore. Small craft
advisory westerlies are possible in the central and eastern strait
of juan de fuca each evening. Felton

Hydrology The daily hydrology discussion has ended until the
start of the next rainy season; it will only be updated as needed
until then.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory from 2 pm this afternoon to 6 pm pdt this
evening for coastal waters from CAPE flattery to james
island 10 to 60 nm-coastal waters from james island to
point grenville 10 to 60 nm-coastal waters from point
grenville to CAPE shoalwater 10 to 60 nm.

Gale warning until 2 pm pdt this afternoon for coastal waters
from CAPE flattery to james island 10 to 60 nm-coastal
waters from james island to point grenville 10 to 60 nm-
coastal waters from point grenville to CAPE shoalwater 10
to 60 nm.

Small craft advisory for rough bar until 6 pm pdt this evening
for grays harbor bar.

Small craft advisory until 6 pm pdt this evening for coastal
waters from CAPE flattery to james island out 10 nm-coastal
waters from james island to point grenville out 10 nm-
coastal waters from point grenville to CAPE shoalwater out
10 nm.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPOW1 - West Point, WA 14 mi57 min S 13 G 14 53°F 1015.5 hPa (+0.3)48°F
46120 18 mi50 min S 5.8 53°F 1014.2 hPa48°F
TCMW1 - 9446482 - Tacoma Met, WA 19 mi57 min SSW 5.1 G 6
TCNW1 - 9446484 - Tacoma, WA 19 mi57 min 54°F 51°F1015.8 hPa (+0.0)
46121 30 mi53 min 53°F 1015.4 hPa48°F
46125 33 mi49 min 7.8 54°F 1013.9 hPa49°F
PTWW1 - 9444900 - Port Townsend, WA 49 mi57 min ESE 1.9 G 4.1 53°F 51°F1015.1 hPa (+0.0)

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boeing Field - King County International Airport, WA2 mi64 minSSW 510.00 miOvercast54°F45°F72%1015.4 hPa
Renton Municipal Airport, WA3 mi64 minS 68.00 miOvercast56°F46°F70%1015.9 hPa
Seattle, Seattle-Tacoma International Airport, WA6 mi64 minSSW 710.00 miOvercast53°F46°F77%1016 hPa
Tacoma, Tacoma Narrows Airport, WA24 mi64 minSSW 810.00 miOvercast51°F46°F83%1015.8 hPa

Wind History from BFI (wind in knots)
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Last 24hrS10S10
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S13S8S9S9S6SW7S7W7SW64SW54SW4S4SW6S5S6SW5
1 day agoCalmSE7CalmS5SE45CalmW4S35NW76NW44Calm5W4S4S4S6S7SE6S9S8
2 days agoSE3SE6SE3SE5S4CalmN4W344NW66NW8NW105NW63CalmCalmNW3SE5CalmS5Calm

Tide / Current Tables for Duwamish Waterway, Washington
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Duwamish Waterway
Click for Map
Sat -- 01:50 AM PDT     Moonrise
Sat -- 05:21 AM PDT     Sunrise
Sat -- 05:34 AM PDT     6.15 feet Low Tide
Sat -- 09:27 AM PDT     7.47 feet High Tide
Sat -- 11:32 AM PDT     Moonset
Sat -- 04:35 PM PDT     1.00 feet Low Tide
Sat -- 08:51 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.910.297.76.76.26.26.577.47.46.964.73.321.11.11.93.45.37.39.110.4

Tide / Current Tables for Restoration Point, 0.6 miles ESE of, Washington Current
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Restoration Point
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Sat -- 01:51 AM PDT     Moonrise
Sat -- 02:35 AM PDT     -0.56 knots Max Ebb
Sat -- 05:21 AM PDT     Sunrise
Sat -- 08:06 AM PDT     -0.02 knots Min Ebb
Sat -- 11:33 AM PDT     Moonset
Sat -- 01:38 PM PDT     -0.62 knots Max Ebb
Sat -- 05:25 PM PDT     0.00 knots Slack
Sat -- 08:03 PM PDT     0.55 knots Max Flood
Sat -- 08:52 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map and Satellite Images
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wmap_P
GOES 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
Wind Forecast for Seattle, WA (6,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.