Thursday, October19, 2017 L-36.com


Marine Weather and Tides
Seabeck, WA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:35AMSunset 6:15PM Thursday October 19, 2017 8:25 PM PDT (03:25 UTC) Moonrise 6:17AMMoonset 5:43PM Illumination 0% Phase: New Moon; Moon at 29 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- 305 Pm Pdt Thu Oct 19 2017
Tonight..SW wind 5 to 15 kt. Wind waves 2 ft or less. Showers.
Fri..S wind 5 to 15 kt becoming sw 15 to 25 kt in the afternoon. Wind waves 1 to 2 ft building to 2 to 4 ft in the afternoon. Showers.
Fri night..SW wind 10 to 20 kt becoming S 5 to 15 kt after midnight. Wind waves 1 to 3 ft. A chance of showers in the evening then rain after midnight.
Sat..SE wind 5 to 15 kt. Wind waves 2 ft or less.
Sat night..S wind 5 to 15 kt rising to 15 to 25 kt after midnight. Wind waves 2 ft or less building to 2 to 4 ft after midnight.
Sun..SW wind 10 to 20 kt. Wind waves 1 to 3 ft.
Sun night..SW wind 5 to 15 kt. Wind waves 2 ft or less.
Mon..Light wind. Wind waves less than 1 ft.
Tue..N wind to 10 kt becoming light. Wind waves 1 ft or less.
PZZ100 305 Pm Pdt Thu Oct 19 2017
Synopsis for the northern and central washington coastal and inland waters..A trough will move inland from the coastal waters this evening. Onshore flow will develop behind the trough and strengthen through Friday. West swells of 19 to 23 feet over the coastal waters will gradually subside later tonight and Friday. Another fairly strong frontal system will move through the area Saturday and Sunday. Weak offshore flow will develop Monday.

7 Day Forecast for Marine Location Near Seabeck, WA
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location: 47.64, -122.83     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 200308
afdsew
area forecast discussion
national weather service seattle wa
815 pm pdt Thu oct 19 2017

Synopsis Showers will continue tonight and Friday. The snow level
will fall to 4000 feet with light snow accumulations in the
mountains.

A strong warm front will move over western washington Saturday with
periods of heavy rain into Saturday night--some flooding is possible.

Drier weather is forecast to develop early next week as high
pressure builds over the region.

Short term Showers continue this evening--but there will be
a little break between systems later Friday. The next strong weather
system will affect the area over the weekend. A warm front will
spread rain into northwest oregon late Friday night. The warm front
will move north into western washington on Saturday with increasing
rain and breezy conditions. The southeast gradient will be tight but
the direction is not favorable for strong winds, but it will be
blustery. Heavy rain is likely over much of western washington
Saturday night with a high snow level around 8000 feet. The rain
will taper off Sunday, becoming showery Sunday night. Conditions
will be mild Saturday and Sunday under the influence of the warm
front--after highs in the lower to mid 50s on Friday, highs will
rise into the mid 50s and lower 60s over the weekend.

Long term Monday will be dry in most places, with just a chance
of showers in the mountains, and highs in the lower 60s. A strong
ridge is forecast to build over the region Tuesday, with heights
near 590dm. If this were summer, temperatures might reach 90
degrees. As it is october, highs will be in the 60s under sunny
skies on Tuesday. A weak system will move through the area on
Wednesday, followed by cooler northwest flow aloft Thursday. Burke

Aviation An upper trough will be over the area tonight and
Friday with westerly flow aloft. At the surface, low level onshore
flow will strengthen tonight and Friday. The air mass will remain
moist and unstable, especially at the coast.

There will be a mix of low and mid clouds tonight and Friday. In
general, ceilings will be lower in and around showers. Some overall
improvement is likely later Friday with ceilings becoming mostly
vfr.

Ksea... Ceilings should continue to bounce between MVFR low clouds
andVFR mid clouds tonight and Friday morning. The MVFR low clouds
are expected to mostly go away Friday afternoon. South wind 7-13
knots. Schneider

Marine A surface trough will move inland from the coastal
waters this evening. Onshore flow will develop behind the trough and
strengthen through Friday. Small craft advisory winds will develop
over most of the coastal and inland waters zones on Friday; the
strongest winds will likely be the westerlies in the central and
eastern strait of juan de fuca, and gales there are not out of the
question Friday afternoon.

Another fairly strong frontal system will move through the area
Saturday and Sunday, with widespread small craft advisory winds.

At this time, we are forecasting winds to remain below gale force.

Onshore flow behind the front will ease and eventually turn weakly
offshore later Monday and continue Tuesday.

West swells of 19 to 23 feet over the coastal waters will gradually
subside later tonight and Friday. Schneider

Hydrology Models continue to agree that a heavy rain event will
occur Saturday afternoon through Sunday afternoon. The heaviest rain
will fall Saturday night. Most models show the focus of rainfall
will be in cascades from about stevens pass southward, with less in
the north cascades and olympics. However, past experience with these
heavy rain events shows that models can easily misjudge where the
rainfall eventually falls. The european model does show heavy rain
in the north cascades. The current river model run is based on the
qpf from a blend of mesoscale models that does not include the
european model.

The river model shows minor flooding on most rivers flowing off the
cascades from the skykomish river southward, with a few rivers
touching moderate stage. This flooding will occur mainly on Sunday
from heavy rain Saturday night. Due to uncertainty in where the
heaviest rain will fall, will issue a flood watch for all of western
washington, 5 pm Saturday through 5 pm Sunday, this afternoon. Burke

Sew watches warnings advisories
Wa... Flood watch from Saturday afternoon through Sunday afternoon
for admiralty inlet area-bellevue and vicinity-bremerton and
vicinity-cascades of pierce and lewis counties-cascades of
snohomish and king counties-cascades of whatcom and skagit
counties-central coast-east puget sound lowlands-eastern strait
of juan de fuca-everett and vicinity-hood canal area- lower
chehalis valley area-north coast-olympics-seattle and vicinity-
southwest interior-tacoma area-western skagit county-western
strait of juan de fuca-western whatcom county.

High surf advisory until 6 am pdt Friday for central coast-north
coast.

Pz... Small craft advisory for rough bar until 6 pm pdt Friday for
grays harbor bar.

Small craft advisory until 6 am pdt Saturday 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 for hazardous seas until midnight pdt
Friday night for west entrance u.S. Waters strait of juan
de fuca.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPOW1 - West Point, WA 21 mi25 min S 16 G 18 52°F 998.7 hPa (-0.4)49°F
46120 24 mi33 min SW 14 52°F 998 hPa49°F
TCMW1 - 9446482 - Tacoma Met, WA 33 mi37 min ESE 5.1 G 7
PTWW1 - 9444900 - Port Townsend, WA 33 mi37 min ESE 2.9 G 5.1
TCNW1 - 9446484 - Tacoma, WA 34 mi43 min 51°F 54°F999.8 hPa
SISW1 - Smith Island, WA 47 mi25 min SSE 18 G 19 50°F 997.5 hPa (+0.5)
PTAW1 - 9444090 - Port Angeles, WA 47 mi49 min 2.9 G 4.1 47°F 50°F997.5 hPa

Wind History for Seattle, Puget Sound, WA, WA
(wind in knots)    EDIT      (on/off)   Help
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S11
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N3
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NE3
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bremerton, Bremerton National Airport, WA12 mi29 minS 610.00 miOvercast49°F46°F93%1000.6 hPa

Wind History from PWT (wind in knots)
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Last 24hrSW17
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S11S9SW8S4SW7S5SW6S6
1 day agoN5NE6CalmCalmCalmCalmCalmSW4SW4SW3SW4SW3S6--S7S13
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2 days agoSW9S11
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S7S6S14SW12
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N9N8NE9NE6NE5

Tide / Current Tables for Seabeck, Seabeck Bay, Washington
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Seabeck
Click for Map
Thu -- 05:29 AM PDT     10.65 feet High Tide
Thu -- 07:17 AM PDT     Moonrise
Thu -- 07:36 AM PDT     Sunrise
Thu -- 11:19 AM PDT     3.42 feet Low Tide
Thu -- 12:12 PM PDT     New Moon
Thu -- 05:09 PM PDT     11.33 feet High Tide
Thu -- 06:14 PM PDT     Sunset
Thu -- 06:42 PM PDT     Moonset
Thu -- 11:47 PM PDT     0.38 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.42.95.27.69.510.510.59.78.16.14.43.53.74.96.9910.611.3119.67.54.92.50.8

Tide / Current Tables for The Great Bend, Washington Current
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The Great Bend
Click for Map
Thu -- 12:12 AM PDT     0.00 knots Slack
Thu -- 01:53 AM PDT     0.66 knots Max Flood
Thu -- 05:50 AM PDT     -0.00 knots Slack
Thu -- 07:16 AM PDT     Moonrise
Thu -- 07:36 AM PDT     Sunrise
Thu -- 08:15 AM PDT     -0.53 knots Max Ebb
Thu -- 12:12 PM PDT     New Moon
Thu -- 12:25 PM PDT     0.00 knots Slack
Thu -- 01:53 PM PDT     0.52 knots Max Flood
Thu -- 05:28 PM PDT     -0.00 knots Slack
Thu -- 06:14 PM PDT     Sunset
Thu -- 06:42 PM PDT     Moonset
Thu -- 08:22 PM PDT     -0.68 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-00.50.70.60.40.2-0.1-0.4-0.5-0.5-0.4-0.3-0.10.30.50.50.30.1-0.2-0.5-0.7-0.7-0.6-0.4

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Seattle, WA (23,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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weather_mapweather_map weather_map

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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.