Saturday, May26, 2018 L-36.com


Marine Weather and Tides
Angoon, AK

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 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.

Sunrise 4:07AMSunset 9:42PM Friday May 25, 2018 8:21 PM AKDT (04:21 UTC) Moonrise 4:43PMMoonset 3:37AM Illumination 86% Phase: Waxing Gibbous; Moon at 11 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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PKZ034 Frederick Sound- 202 Pm Akdt Fri May 25 2018
Tonight..S wind 10 kt becoming E late. Seas 2 ft or less. Rain in the evening.
Sat..E wind 20 kt. Gusts to 35 kt. Out of interior passes, gusts to 40 kt in the afternoon. Seas 4 ft. Rain.
Sat night..SE wind 25 kt. Out of interior passes, gusts to 40 kt in the evening. Seas 5 ft. Showers.
Sun..SE wind 20 kt. Seas 4 ft. Showers.
Sun night..SE wind 15 kt. Seas 3 ft. Showers.
Mon..SW wind 10 kt. Seas 2 ft or less.
Tue..SW wind 10 kt. Seas 2 ft or less.
Wed..E wind 10 kt becoming sw. Seas 2 ft or less.

7 Day Forecast for Marine Location Near Angoon, AK
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location: 57.31, -134.13     debug


Area Discussion for -
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Fxak67 pajk 252220
afdajk
southeast alaska forecast discussion
national weather service juneau ak
220 pm akdt Fri may 25 2018

Short term Friday night to Sunday the parent low of the
gale force front looks to spin incessantly in the eastern gulf
through the holiday weekend. Predicting the exact track of the low
has been a conundrum over the last couple of days. The NAM in
particular and now the ECMWF and GFS has been trending the low
closer to the eastern gulf coast including sitka and pelican on
Sunday morning. Thus, we have raised wind speeds to gusts of 40 to
45 mph with plenty of rain. Uncertainty grows by Sunday
afternoon, as the ECMWF has been bullish on a wave developing
along a stalled front across the eastern pacific. While all models
push a wave into the north american coast, the ECMWF sends a
potentially angry wave into the dixon entrance area, north of the
other solutions possibly affecting ketchikan and metlakatla. We
are more confident for winds along the eastern gulf coast than any
wind potential for the southern inner channels; however, to
hedge, we have raised wind speeds to at least 20 kt through
clarence strait and have bumped up breezes for ketchikan. Thus, we
want ketchikan area residents and mariners to be aware that the
forecast could worsen markedly for Sunday afternoon evening.

Finally, it is certain that it should rain through Monday for most
areas of the panhandle, and we increased pops to reflect this.

Going outdoors? Wear a raincoat. And do not forget it. Sunday's
wave activity indicated by the ecmwf, if verified, would
significantly raise rainfall amounts over the far south on Sunday,
but that solution is not favored at this time.

We used ecmwf, gfs, canadian gem, sref, and even some ideas of
the disfavored NAM for forecast changes.

Long term Sunday through Friday as of 10 pm Thursday what a
difference a day makes for the models. Yesterday the ECMWF was the
outlier, today it is the nam. The GFS continues to be the go-to
model. Used a blend of the ECMWF and GFS for Sunday-Tuesday, using
more wpc and ECMWF Wednesday-Friday.

The low coming in over the holiday weekend is still showing a
stronger signature. Increased winds in the gulf about 5 kts
Sunday and Monday, with SCA winds through Sunday night. By Tuesday
night winds should be 15 kt or less across the entire aor.

The 3 day weekend will end wet, but there is drier weather
developing over the area by mid week between systems. Most of the
panhandle will be dry by Wednesday evening as a ridge of high
pressure builds over the area. By Friday evening the ridge will
be weakening and rain will starts moving in along the entire
outer coastal areas and continue to spread inland overnight.

Lowered temperatures again for Sunday-Tuesday a couple of
degrees. Temperatures are still expected to remain in the mid to
upper 50s during the day and range into the 40s overnight. With
less clouds possible with the building ridge, temperatures should rise
a few degrees through mid-late week. Expect to also see a larger
diurnal swing between daytime highs and overnight lows. The other
concern will be fog Wednesday early morning and depending on
clouds and daytime drying, Thursday night could have fog
development as well.

Aviation Widespread rain over SE ak with front moving inland
today. Marginal ceilings 2500 to 3000 feet this afternoon. Will
likely see more lower ceilings as they lower through the early
evening. May have some improvements late over the southern part of
the panhandle that could generate some breaks. If that is the case
then patchy fog might develop south of sumner strait. Next
frontal band approaching the southern panhandle, around sunrise
Saturday and with a strong low level jet, the possibility of llws
from the klawock, ketchikan and possibly for sitka by midday.

Marine Gale force winds developing over the eastern gulf
overnight with a strong front moving into the southeast gulf of
alaska. Will likely see the gale for winds spread into clarence
strait on Saturday. Small craft winds spreading into surrounding
marine channels on Saturday.

Ajk watches warnings advisories
Public... Strong wind for akz023, akz027, and akz028 Saturday.

Marine... Small craft advisory for pkz041-042.

Small craft advisory due to seas for pkz043.

Bezenek kv
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FFIA2 - Five Finger, AK 27 mi81 min S 8.9 G 8.9 48°F 1011.3 hPa (-0.9)
PGXA2 33 mi38 min E 7 G 9.9 44°F 39°F
TKEA2 - Tenakee Springs, AK 66 mi29 min Calm G 1.9 47°F 1009.6 hPa41°F
SDIA2 - South Douglas, AK 68 mi37 min SSW 2.9 G 2.9 1010.3 hPa

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kake - Kake Airport, AK25 mi85 minN 010.00 miLight Rain47°F45°F93%1013.7 hPa

Wind History from AFE (wind in knots)
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Last 24hrE6----E5E5E5--E5E6--E7--E6----E6SE10SE6----SE8S6--Calm
1 day ago--------E5E4E7E5E5E6--E8SE10SE8SE9S7S6E5--4SE9--E3E6
2 days agoCalm----E4--CalmCalm----------SE4W7----W6W5----S4SW3SW4NW4

Tide / Current Tables for Cannery Cove, Pybus Bay, Frederick Sound, Alaska
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Cannery Cove
Click for Map
Sat -- 03:54 AM AKDT     Moonset
Sat -- 04:16 AM AKDT     Sunrise
Sat -- 05:47 AM AKDT     -0.07 feet Low Tide
Sat -- 12:01 PM AKDT     13.03 feet High Tide
Sat -- 05:51 PM AKDT     1.51 feet Low Tide
Sat -- 05:59 PM AKDT     Moonrise
Sat -- 09:31 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
14.512.79.76.12.70.5-01.23.97.110.112.21312.310.27.34.32.21.52.75.48.81214.4

Tide / Current Tables for Eliza Harbor, Admiralty Island, Frederick Sound, Alaska
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Eliza Harbor
Click for Map
Sat -- 03:54 AM AKDT     Moonset
Sat -- 04:18 AM AKDT     Sunrise
Sat -- 05:49 AM AKDT     -0.07 feet Low Tide
Sat -- 12:03 PM AKDT     12.60 feet High Tide
Sat -- 05:53 PM AKDT     1.48 feet Low Tide
Sat -- 05:59 PM AKDT     Moonrise
Sat -- 09:31 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
14.112.49.562.70.5-01.13.76.89.711.812.611.9107.24.32.21.52.65.18.411.513.9

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 (0,6,7,8)
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Ground Weather Radar Station Biorka Is., AK
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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.