Saturday, April21, 2018 L-36.com


Marine Weather and Tides
Port Ludlow, WA

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 6:05AMSunset 8:10PM Saturday April 21, 2018 12:17 AM PDT (07:17 UTC) Moonrise 9:45AMMoonset 12:36AM Illumination 34% Phase: Waxing Crescent; Moon at 6 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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PZZ134 Admiralty Inlet- 849 Pm Pdt Fri Apr 20 2018
.small craft advisory in effect through Saturday afternoon...
Tonight..Light wind becoming S 15 to 25 kt after midnight. Wind waves less than 1 ft becoming 2 to 4 ft after midnight. A chance of rain.
Sat..NW wind 20 to 30 kt easing to 15 to 25 kt in the afternoon. Wind waves 3 to 5 ft. A chance of showers.
Sat night..NW wind 15 to 25 kt becoming W to 10 kt after midnight. Wind waves 2 to 4 ft subsiding to 1 ft or less after midnight.
Sun..Light wind becoming nw to 10 kt in the afternoon. Wind waves 1 ft or less.
Sun night..NW wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Mon..Light wind. Wind waves less than 1 ft.
Mon night..Light wind. Wind waves less than 1 ft.
Tue..Light wind becoming nw to 10 kt. Wind waves 1 ft or less.
Wed..Light wind becoming nw to 10 kt. Wind waves 1 ft or less.
PZZ100 849 Pm Pdt Fri Apr 20 2018
Synopsis for the northern and central washington coastal and inland waters..A cold front will move through western washington after midnight tonight, followed by a short period of strong onshore flow on Saturday morning. High pressure will build into the region over the weekend. Thermal low pressure will set up along the oregon coast Monday and Tuesday as an upper ridge shifts over the pacific northwest.

7 Day Forecast for Marine Location Near Port Ludlow, WA
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location: 47.94, -122.67     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 210428
afdsew
area forecast discussion
national weather service seattle wa
928 pm pdt Fri apr 20 2018

Synopsis A cold front will move eastward across the area
overnight with decreasing showers behind the front Saturday. A
dry upper trough will cross the area Sunday. An upper level ridge
will build in Sunday night and remain over western washington
through most of next week for an extended dry and warm spell.

Short term A cold front will bring a quick shot of rain to
most of the area later tonight. Rain is already nearing the coast
right now and will move across the metro area between about 1-4
am.

Onshore flow behind the front will moisten the air mass, but
showers behind the front will mainly be confined to the mountains
Saturday. Moderate onshore flow will produce breezy to locally
windy conditions behind the cold front. A puget sound convergence
zone will slip southward from everett to seattle during Saturday
afternoon and early evening, accompanied by a few showers and a
localized band of stubborn clouds. Temps will be a few degrees
cooler compared to today but still close to normal.

Sunday is looking dry with decreasing clouds. A weak upper trough
will cross the area in the morning with an upper upper ridge
building in from the west later in the day. Highs will once again
be near normal. The upper ridge will move overhead on Monday for
dry and warmer weather. Haner

Long term From previous discussion: high pressure aloft will
produce mostly sunny and warm weather Tuesday through Thursday.

Highs will warm into the 70s many areas. Thursday will probably be
the warmest day
- possibly near 80 in spots with low level offshore flow. Onshore
flow is expected to develop Friday which should cool highs back
into the 60s. Some showers could also move into the area from the
south. Schneider

Aviation A quick-moving upper trough and surface cold front
will sweet eastward across western washington late tonight,
accompanied by a 1-2 hour bout of rain. It will be followed on
Saturday morning by onshore flow, which will bring plenty of cigs
in the 015-030 range in the hours around and after sunrise. Clouds
will scatter and lift in the afternoon, but a puget sound
convergence zone will from near everett early in the day and slip
south past seattle by late afternoon, bringing localized showers
and broken cigs.

Ksea... Cold frontal passage expected around 09z-11z, bringing
lower CIGS along with about 2 hours of rain. Could briefly be
heavy enough to reduce vsbys to 5-6sm. Early Sat morning,
expecting CIGS in the 020-030 range given onshore flow. CIGS will
lift in the afternoon. Then a pscz will slip down from the north,
bringing a few showers in the 22z-02z time frame, a thickening of
clouds, and a northerly wind shift around 00z-01z. Haner

Marine A cold front will sweep eastward across the waters late
tonight, followed on Saturday morning by a few hours of strong
onshore flow and westerly gales in the central eastern strait.

Seas along the coast will exceed 10 feet from late tonight into
Saturday afternoon.

High pressure will build into the area later Saturday and into
Sunday. A thermal trough will set up along the oregon coast Monday
and Tuesday, so we will see northerly breezes develop over
western washington Monday and Tuesday-- perhaps stronger than the
current forecast and better for afternoon sailing than the current
forecast indicates which only has north winds to 10 knots over
the inland waters for now.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until 6 pm pdt Saturday for admiralty inlet-
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-northern inland
waters including the san juan islands.

Small craft advisory for rough bar from 3 am to 6 pm pdt
Saturday for grays harbor bar.

Gale warning from 3 am to noon pdt Saturday for central u.S.

Waters strait of juan de fuca-east entrance u.S. Waters
strait of juan de fuca.

Small craft advisory until 3 pm pdt Saturday for west entrance
u.S. Waters strait of juan de fuca.

Small craft advisory until noon pdt Saturday for puget sound and
hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTWW1 - 9444900 - Port Townsend, WA 13 mi54 min SE 11 G 13 51°F 49°F1019.3 hPa
46120 19 mi45 min W 16 52°F 1020.3 hPa38°F
WPOW1 - West Point, WA 23 mi78 min SW 19 G 23 51°F 1021.5 hPa (+0.5)37°F
SISW1 - Smith Island, WA 28 mi28 min S 2.9 G 5.1 48°F 1018.8 hPa (-1.4)43°F
EBSW1 - 9447130 - Seattle, WA 29 mi48 min S 5.1 G 8 52°F 48°F1021.8 hPa
PBFW1 - Padilla Bay Reserve, WA 38 mi48 min S 15 52°F 1019 hPa38°F
46088 - New Dungeness, WA (Hein Bank) 38 mi58 min N 3.9 G 5.8 47°F 48°F1018.6 hPa45°F
PTAW1 - 9444090 - Port Angeles, WA 43 mi48 min 1.9 G 5.1 46°F 48°F1019.2 hPa
46121 46 mi46 min 52°F 1021.6 hPa37°F
FRDW1 - 9449880 - Friday Harbor, WA 46 mi48 min Calm G 1 46°F 48°F1018.6 hPa
TCMW1 - 9446482 - Tacoma Met, WA 48 mi54 min SW 1 G 6
TCNW1 - 9446484 - Tacoma, WA 48 mi54 min 52°F 49°F1022 hPa

Wind History for Port Townsend, WA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA21 mi25 minSSE 13 G 2210.00 miOvercast50°F34°F54%1020.6 hPa

Wind History from PAE (wind in knots)
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Last 24hrN6N5N4N3CalmCalmCalmE5SE4SE8SE6SE8SW6S14S10SE12S12
G19
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G25
1 day agoCalmNW4CalmNW3CalmW3NW3CalmNW3CalmW6NW5N5W5W5NW8NW7NW4NW6NW6NW5NW5NW3N3
2 days agoCalmE6E7E4E5E5E6CalmN53N6NW6N65NW7NW5NW7NW10
G15
6NW7NE6CalmNW7W4

Tide / Current Tables for Port Ludlow, Washington
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Port Ludlow
Click for Map
Sat -- 01:35 AM PDT     Moonset
Sat -- 03:33 AM PDT     6.26 feet Low Tide
Sat -- 06:09 AM PDT     Sunrise
Sat -- 08:36 AM PDT     8.67 feet High Tide
Sat -- 10:45 AM PDT     Moonrise
Sat -- 03:38 PM PDT     -1.07 feet Low Tide
Sat -- 08:09 PM PDT     Sunset
Sat -- 11:05 PM PDT     9.58 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.77.86.96.46.36.77.48.18.68.67.96.54.62.40.5-0.8-101.94.16.38.19.29.6

Tide / Current Tables for Olele Point, 1.8 mile ENE of, Washington Current
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Olele Point
Click for MapFlood direction 167 true
Ebb direction 352 true

Sat -- 12:55 AM PDT     -1.01 knots Max Ebb
Sat -- 01:35 AM PDT     Moonset
Sat -- 04:39 AM PDT     0.00 knots Slack
Sat -- 06:09 AM PDT     Sunrise
Sat -- 06:26 AM PDT     0.30 knots Max Flood
Sat -- 08:03 AM PDT     -0.00 knots Slack
Sat -- 10:44 AM PDT     Moonrise
Sat -- 12:29 PM PDT     -1.56 knots Max Ebb
Sat -- 04:18 PM PDT     0.00 knots Slack
Sat -- 07:34 PM PDT     1.21 knots Max Flood
Sat -- 08:09 PM PDT     Sunset
Sat -- 10:57 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.9-1-0.9-0.6-0.20.10.30.30-0.4-0.9-1.3-1.5-1.5-1.3-0.8-0.20.40.91.21.20.90.5-0

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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Wind Forecast for Seattle, WA (3,6,7,8)
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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.