Friday, September22, 2017 L-36.com


Marine Weather and Tides
Ocean City, 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 7:02AMSunset 7:12PM Friday September 22, 2017 5:00 PM PDT (00:00 UTC) Moonrise 8:36AMMoonset 7:48PM Illumination 6% Phase: Waxing Crescent; Moon at 2 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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PZZ156 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- 300 Pm Pdt Fri Sep 22 2017
Tonight..NW wind to 10 kt becoming light after midnight. Wind waves 1 ft or less. NW swell 5 ft at 8 seconds. A slight chance of rain.
Sat..S wind to 10 kt. Wind waves 1 ft or less. W swell 4 ft at 9 seconds. A chance of rain.
Sat night..Light wind. Wind waves less than 1 ft. W swell 4 ft at 11 seconds.
Sun..Light wind. Wind waves less than 1 ft. W swell 4 ft at 11 seconds.
Sun night..Light wind becoming se to 10 kt after midnight. Wind waves 1 ft or less. W swell 4 ft at 10 seconds.
Mon..S wind 10 to 20 kt becoming 5 to 15 kt in the afternoon. Wind waves 1 to 3 ft. W swell 5 ft at 10 seconds.
Mon night..SW wind 5 to 15 kt in the evening becoming light. Wind waves 2 ft or less. W swell 7 ft at 10 seconds.
Tue..Light wind becoming N 5 to 15 kt. Wind waves 2 ft or less. W swell 7 ft subsiding to 5 ft.
Wed..NE wind 5 to 15 kt. Wind waves 2 ft or less. W swell 4 ft.
PZZ100 300 Pm Pdt Fri Sep 22 2017
Synopsis for the northern and central washington coastal and inland waters..Surface high pressure will dominate the northeast pacific and western washington waters through the weekend. A warm front will cross the coastal waters on Monday. Northerly flow develops Tuesday and becomes offshore on Wednesday as thermally induced low pressure develops northward along the washington coast.

7 Day Forecast for Marine Location Near Ocean City, WA
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location: 47.09, -124.17     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 222219
afdsew
area forecast discussion
national weather service seattle wa
320 pm pdt Fri sep 22 2017

Synopsis A weak weather system will brush western
washington tonight and Saturday morning with clouds and a chance of
light rain along the coast. A weak upper level ridge will remain
over the region this weekend but will allow a weak weather system to
bring more clouds and a chance of light rain to the coast and the
northern portions of the area on Sunday. A slightly stronger system
could bring light rain to more of the area on Monday. The ridge will
build Tuesday or Wednesday with a return to mostly sunny skies and
warmer temperatures.

Short term The large upper level ridge just offshore will
tilt inland over southern b.C. This weekend. The ridge will be weak
enough so that any transient weather systems will passing through
the ridge will spread clouds across W wa and some light rain at
times. The first system, a weak warm front, tonight and Saturday,
will remain mostly just offshore, but will be close enough to bring
a chance of light rain to the coast and olympics and adjacent inland
areas. Over the interior mid and high level moisture will keep skies
partly to mostly cloudy.

The models have finally become a little more consistent and now keep
the area mostly dry Saturday night and Sunday. Another weak system
may brush the far north part of W wa with some light rain on Sunday.

The best chance of rain should be on Monday when another weak warm
front moves across the area. Low level moisture should be plentiful,
but pops will still be in the chance range, except for the coast.

Rainfall amounts should generally be just a few hundredth of an
inch, except maybe a tenth of an inch for the coast. All the cloud
cover will keep high temperatures in the lower to mid 60s through
Monday, which is a few degrees below normal. Kam

Long term Tuesday will be kind of a transition day as the upper
level ridge builds offshore. There still appears to be a lot of
residual low level moisture but this may be clearing out in the
afternoon. The models have been generally consistent with the
building ridge for mid week. It now looks strong enough to keep
skies mostly clear and warm daytime temperatures into the lower 70s
in the warmest spots. The models differ a bit on just how quickly
the ridge will shift E of the area, but for now the forecast remains
dry through Friday. Kam

Aviation High pressure will remain just off the pacific northwest
coast through Saturday with light northerly flow aloft. The air mass
will be mostly dry with residual moisture near the surface. Patchy
low clouds and fog will be possible in fog prone locations Saturday
morning such as hqm and olm. Mid and high clouds will increase and
hinder any widespread ifr fog stratus for developing elsewhere. Will
plan to cut back the duration of ifr stratus at most TAF sites
around puget sound.

Ksea...VFR conditions. A few hours of ifr or low MVFR possible
Saturday morning. Northerly wind to 5 kt becoming light after sunset.

Marine A large area of high pressure will dominate the northeast
pacific including the western washington waters through the weekend.

A warm front will clip the region on Monday with a chance for small
craft winds, mainly in the coastal waters. Northerly or offshore
flow develops mid week. Dtm

Sew watches warnings advisories
Wa... None.

Pz... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPTW1 - 9441102 - Westport, WA 13 mi85 min W 7 G 8.9 57°F 57°F1017.8 hPa
46211 - Grays Harbor, WA (036) 17 mi61 min 59°F6 ft
TOKW1 - 9440910 - Toke Point, WA 29 mi43 min WSW 6 G 8.9 59°F 60°F1018 hPa
DESW1 - Destruction Island, WA 44 mi61 min Calm G 1.9 55°F 1017.9 hPa (-0.3)
46100 46 mi131 min WNW 7.8 60°F 59°F1017.4 hPa

Wind History for Westport, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA13 mi68 minSW 117.00 miFair59°F54°F83%1018.2 hPa

Wind History from HQM (wind in knots)
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Last 24hrSW11SW6SW5CalmCalmCalmNW3CalmCalmCalmE4NE5NE4NE4CalmNE3NE5CalmSE5S4SW7SW10SW9SW11
1 day agoW12W8W7CalmCalmCalmCalmCalmCalmCalmNE4NE4NE5NE6NE3NE5NE4NE4NE3E6N4S4SW9SW9
2 days agoW8SW8SW5SW3S4E3NE6NE6NE5NE5NE5NE4E5CalmN3NW3--CalmS4SW5S7SW10SW10SW12

Tide / Current Tables for Point Brown, Grays Harbor, Washington
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Point Brown
Click for Map
Fri -- 02:49 AM PDT     9.06 feet High Tide
Fri -- 07:03 AM PDT     Sunrise
Fri -- 08:41 AM PDT     0.59 feet Low Tide
Fri -- 09:35 AM PDT     Moonrise
Fri -- 03:02 PM PDT     9.51 feet High Tide
Fri -- 07:13 PM PDT     Sunset
Fri -- 08:48 PM PDT     Moonset
Fri -- 09:11 PM PDT     0.09 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.47.48.798.26.64.42.40.90.71.63.45.57.58.99.58.97.45.22.910.10.51.8

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Fri -- 12:28 AM PDT     2.35 knots Max Flood
Fri -- 03:15 AM PDT     -0.01 knots Slack
Fri -- 06:30 AM PDT     -3.12 knots Max Ebb
Fri -- 07:03 AM PDT     Sunrise
Fri -- 09:26 AM PDT     0.01 knots Slack
Fri -- 09:35 AM PDT     Moonrise
Fri -- 12:28 PM PDT     2.35 knots Max Flood
Fri -- 03:27 PM PDT     -0.00 knots Slack
Fri -- 06:51 PM PDT     -3.40 knots Max Ebb
Fri -- 07:13 PM PDT     Sunset
Fri -- 08:48 PM PDT     Moonset
Fri -- 09:59 PM PDT     0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.32.31.70.4-1.2-2.4-3-3-2.1-0.70.81.82.32.31.80.7-0.9-2.3-3.2-3.4-2.8-1.501.2

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 (20,4,5,8)
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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.