Sunday, September24, 2017 L-36.com


Marine Weather and Tides
Klahanie, 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 6:56AMSunset 7:03PM Saturday September 23, 2017 11:39 PM PDT (06:39 UTC) Moonrise 9:32AMMoonset 8:07PM Illumination 13% Phase: Waxing Crescent; Moon at 4 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
    EDIT      (on/off)   Help
PZZ135 Puget Sound And Hood Canal- 845 Pm Pdt Sat Sep 23 2017
Tonight..N wind to 10 kt. Wind waves 1 ft or less. Patchy fog late.
Sun..Light wind. Wind waves less than 1 ft. Patchy morning fog.
Sun night..N wind to 10 kt. Wind waves 1 ft or less. A slight chance of rain.
Mon..Light wind becoming S to 10 kt. Wind waves 1 ft or less.
Mon night..S wind to 10 kt. Wind waves 1 ft or less.
Tue and Tue night..N wind 5 to 15 kt. Wind waves 2 ft or less.
Wed..N wind to 10 kt. Wind waves 1 ft or less.
Thu..Light wind. Wind waves less than 1 ft.
PZZ100 845 Pm Pdt Sat Sep 23 2017
Synopsis for the northern and central washington coastal and inland waters..Higher pres offshore will result in light onshore flow through Sunday. A weak warm front will cause the flow to become southerly on Monday. The flow will become light northerly on Tuesday due to higher pres over british columbia with lower pres over northern california. Offshore flow will develop on Wed as a thermal trough forms along the coast.

7 Day Forecast for Marine Location Near Klahanie, WA
   Hourly   EDIT   Help
location: 47.57, -122     debug


Area Discussion for - Seattle, WA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus66 ksew 240347
afdsew
area forecast discussion
national weather service seattle wa
845 pm pdt Sat sep 23 2017

Synopsis High pressure aloft will produce a dry mild day
Sunday. Then an incoming weakening weather system is expected to
bring clouds and a chance of rain later Sunday night and Monday.

Higher pressure aloft is expected to build off the coast Tuesday and
move onshore mid week for a period of sunshine and above average
late september temperatures.

Short term
The positive tilted upper ridge was extending SW from northern
vancouver island this evening. The ridge should offer considerable
sunshine Sunday with seasonable temperatures after areas of morning
clouds and fog.

A shortwave near 135w this evening was dampening out as it was
moving into the ridge. Upstream, another stronger shortwave near
160w is forecast to track into british columbia Sunday night and
Monday. This system should also dampen out as the upper ridge begins
to rebuild Monday, but likely have enough dynamics left for clouds
and a threat of light rain mainly for the coast, olympics and closer
to the canadian border. It should behave like a weak warm front.

The upper ridge is anticipated to build significantly offshore
Tuesday for clearing skies and the start of a warming trend
following a brief cooler day with the warm front's clouds Monday.

Buehner

Long term From the previous edition...

a strong upper ridge will be in control Wednesday and Thursday for
dry and warmer weather. Low level flow will become offshore which
should help highs warm well into the 70s - maybe even lower 80s in
some locations.

The upper ridge will shift inland and an upper trough will reach
the coast Friday. There might be spotty rain near the coast but
the main impact will be to bring some clouds and a few degrees of
cooling.

Westerly flow aloft will prevail Saturday with low level onshore
flow. Highs should be near normal and no fronts or weather systems
are expected. Schneider

Aviation An upper level ridge will bring dry and stable weather
to the region tonight and Sunday. The flow aloft is northerly.

Skies have been clearing this evening with just sct deck around
10,000 ft. May see patchy low clouds or stratus overnight for brief
MVFR conditions. Otherwise,VFR conditions expected through Sunday
afternoon. A warm front will spread more clouds inland Sunday night
into Monday with a chance of light rain, mainly along the coast. 33
ksea...VFR and light N winds at the surface. Patchy low clouds
possible early Sunday for brief MVFR conditions. 33

Marine High pressure over the NE pacific will maintain light
onshore flow through Sunday. A warm front will clip the area on
Monday with possible small craft advisory winds over the coastal
waters. The flow will turn offshore by midweek as a thermal trough
forms along the coast. 33

Sew watches warnings advisories
Wa... None.

Pz... None.



Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EBSW1 - 9447130 - Seattle, WA 18 mi69 min ESE 1 G 2.9 60°F 55°F1019.8 hPa
WPOW1 - West Point, WA 24 mi39 min NNE 8 G 8.9 56°F 1020.4 hPa (+0.9)50°F
46120 25 mi44 min NW 3.9 56°F 1019.5 hPa51°F
TCNW1 - 9446484 - Tacoma, WA 30 mi69 min 57°F 55°F1020 hPa
TCMW1 - 9446482 - Tacoma Met, WA 30 mi69 min W 1.9 G 4.1
46121 43 mi46 min 3.9 55°F 1019.2 hPa52°F

Wind History for Seattle, Puget Sound, WA, WA
(wind in knots)    EDIT      (on/off)   Help
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
-12
PM
7
PM
8
PM
9
PM
10
PM
11
PM
Last
24hr
SW5
S2
S2
S3
G7
W1
--
S3
SE4
SE5
S1
G4
S5
G9
NW5
W5
G8
W6
G9
N3
G7
NW2
N1
NW2
--
W2
SE1
NW4
S1
1 day
ago
E4
S2
SE2
E3
E4
SE4
S2
S2
S1
G4
S2
NW4
NW1
G5
NW4
W4
W5
NW4
NW2
NW4
NW1
NW2
NW2
--
NW2
2 days
ago
S4
S3
S3
W7
G10
W3
W1
W3
NW2
W1
NW1
NW2
NW4
W7
NW5
SE1
E3
E2
S1
SE3

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Renton Municipal Airport, WA13 mi46 minN 010.00 miFair56°F51°F84%1020.3 hPa
Boeing Field - King County International Airport, WA16 mi46 minN 010.00 miFair58°F48°F70%1019.8 hPa
Seattle, Seattle-Tacoma International Airport, WA19 mi46 minNNW 310.00 miFair56°F48°F75%1020.7 hPa

Wind History from RNT (wind in knots)
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
Last 24hrSE3SE4SE3CalmSE3CalmE3CalmCalmSE333SW3SE4Calm3--W4N5NW4CalmCalmCalmCalm
1 day agoS3E3E3CalmE4SE3SE3SE3CalmCalmSE4CalmN3N43W3NW4N4NW6CalmCalmSE3CalmE4
2 days agoCalmSE4SE4CalmSE3SE3SE3SE3CalmSE3S3S4SE3CalmCalmCalmCalmNW4N7
G15
E3E4E3CalmCalm

Tide / Current Tables for Duwamish Waterway, Washington
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Duwamish Waterway
Click for Map
Sun -- 02:17 AM PDT     1.07 feet Low Tide
Sun -- 06:59 AM PDT     Sunrise
Sun -- 08:44 AM PDT     9.85 feet High Tide
Sun -- 11:34 AM PDT     Moonrise
Sun -- 02:34 PM PDT     4.16 feet Low Tide
Sun -- 07:02 PM PDT     Sunset
Sun -- 08:08 PM PDT     9.75 feet High Tide
Sun -- 09:40 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.821.11.42.74.66.78.59.69.89.38.26.75.24.34.35.16.47.99.29.79.48.46.8

Tide / Current Tables for Restoration Point, 0.6 miles ESE of, Washington Current
   EDIT      (on/off)   Help   One Week of Data
Restoration Point
Click for Map
Sun -- 03:13 AM PDT     0.00 knots Slack
Sun -- 05:22 AM PDT     0.56 knots Max Flood
Sun -- 06:59 AM PDT     Sunrise
Sun -- 08:55 AM PDT     -0.00 knots Slack
Sun -- 11:35 AM PDT     Moonrise
Sun -- 12:03 PM PDT     -0.63 knots Max Ebb
Sun -- 03:37 PM PDT     0.00 knots Slack
Sun -- 05:17 PM PDT     0.32 knots Max Flood
Sun -- 07:02 PM PDT     Sunset
Sun -- 08:08 PM PDT     -0.00 knots Slack
Sun -- 09:40 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.9-0.7-0.4-0.10.30.50.50.40.2-0-0.3-0.5-0.6-0.6-0.4-0.20.10.30.30.20-0.2-0.5-0.8

Weather Map and Satellite Images
       (on/off)   Help
Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Seattle, WA (2,6,7,8)
      (on/off)   Help

Ground Weather Radar Station Seattle/Tacoma, WA
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.