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Marine Weather and Tides Kaktovik, AK 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.

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Sunrise 5:31AM

Sunset 10:06PM

Wednesday April 25, 2018 12:25 AM AKDT (08:25 UTC)

Moonrise 2:02PM

Moonset 5:16AM

Illumination 75%

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.

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Marine Forecasts

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7 Day Forecast for Marine Location Near Kaktovik, AK

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Area Discussion for -

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Fxak69 pafg 242308 cca afdafg northern alaska forecast discussion... Corrected national weather service fairbanks ak 308 pm akdt Tue apr 24 2018 corrected the surface section Discussion A active pattern across the state today that will most likely continue through the weekend. The strong low in the bering sea will produce strong gusty winds to many locations in the forecast area, along with a mix of rain and snow. Winds gusting to 100 mph may occur on denali with 70 mph winds expected near alaska range passes and around delta junction. Winds gusting around 40 mph can be expected on most interior summits through Wednesday. Precipitation type across the area will be extremely difficult to define as some patches of warmer air aloft move through the area tonight. Models... Seem to have a good handle on the movement of the system as it is moving north to the chuktosk peninsula. Initialized a bit week with the low center at the surface being 4 to 5 mb lower than the 24 12z solutions. Solutions are doing well handling the leeside troughing, and tightening gradients across the state. Solutions also agree well on the development of a closed surface low tonight in the arctic plain that will move to mackenzie bay by Wednesday morning, and the development of a bubble high in the upper yukon flats Wednesday night. The one thing they are, and always, struggle with is the timing of the individual waves that will move across the state in the flow. They are struggling with the longwave trough that will be moving east and northeast across the state Friday into Saturday. Aloft... At 500 hpa... Ridging remains along 77n then southeast across the beaufort sea to the northwest territories, then south to skagway and southwest into the northeast pacific. A broad area of lower heights around a stacked 502 dam low near st matthew cover the western 2 3 of mainland alaska, the chukchi sea, the bering sea, and south of the aleutians over the north pacific. A strong shortwave moving around the low lies from st lawrence island to the lower yukon delta to to the southern tip of kodiak island this afternoon and will move to lie from st lawrence island to ambler to eagle by Wednesday morning, and over the arctic coast by Wednesday afternoon as the low continues north the chukotsk peninsula. Ridging over the eastern 1 3 of the state will be pushed east tonight, but back over the area Wednesday night. A 528 dam closed center develops over mackenzie bay Wednesday afternoon and moves east to banks island and merges into broad area of low pressure over the canadian archipelago. Another wave moves around the low to the central bering sea Wednesday night then slowly works its way across the southern half of the state Thursday night and Friday. At 850 hpa... Chinook is producing a large patch of above zero temperatures from the alaska range north to the yukon river today, and will produce a small patch north of the brooks range tonight as chinook winds develop there, though not as strong. By Wednesday morning most of that warmer air will moderate back below zero or move off the east and northeast as cooler air wrapping around the low push over the area with 0 to -10c temperatures over most of the forecast area through the weekend. At 925 hpa... Tight gradient around the low persists over the area with southeast to southwest winds 20 to 30 mph, so expect gusts to 40 mph over interior summits through Wednesday night. Surface... A 969 mb low will move northwest across st lawrence island tonight as it weakens to 976 mb near gambell Wednesday morning. Strong pressure gradient across the alaska range is producing winds gusting in excess of 70 mph this afternoon. Gradient relaxes rapidly over the western alaska range this evening, and over the remainder of the area tonight, but expect winds to remain gusty to around 45 mph into Thursday morning. The broad area of low pressure will persist over the western third of the state and a 994 mb low will develop in the leeside trough north of the brooks range tonight, then moving east to makenzie bay in the morning. High pressure will build in over the eastern 2 3rds of the state tonight and the leeside trough north of the alaska range will weaken. The low will persist in the vicinity of the bering strait through the week with several waves moving north over the west coast and western interior. Leeside troughing will weaken for periods before the next wave moves through, then strengthen expect winds to increase for 10 to 12 hours as those waves move through the area. North slope and brooks range... Winds increasing across the area

this afternoon will produce some blowing snow reducing visibility through the evening, with improving conditions across the area tonight. Northeast to southeast winds will be increasing to 20 to 35 mph with some gusts to 45 mph locally. Strongest winds will be west of point barrow. Winds will diminish Wednesday morning over most of the area. Areas of fog developing over the northwest coast this evening and spreading to the central coast, west of deadhorse, by Wednesday morning. Snow spreading to the northwest coast tonight as well with a mix of rain and snow possible in the brooks range around anaktuvuk pass. Snow spreading to the remainder of the coast by Wednesday afternoon. Snowfall amounts will generally be less than 2 inches. West coast and western interior... Windy, cloudy, rainy, snowy, and generally just kinda yucky over the area most of the next 24 to 36 hours. Dry slot behind the front will bring some relief to a few areas, but not for any extended time. Strongest winds this afternoon and evening diminishing from the south tonight, then increasing a bit Wednesday as another front spins through the area during the day. East to southeast winds this evening at 15 to 25 mph with gusts to 50 mph locally. Southeast winds 15 to 25 mph tomorrow with gusts to 40 mph locally. Expect a mix of rain and snow depending on the time of day with mainly snow in the overnight hours, except south or norton sound it will be mainly rain through Wednesday then mix back to snow as colder air wraps into the area. Snowfall amounts will vary widely, and locally. The higher elevations in the nulato hills, bendeleben mountains, and baird mountains will get 2 to 6 inches of new snow, with lesser amounts at the lower elevations. Temperatures will be cooling slowly as cold area wraps around the low. Eastern and central interior... Chinook winds will keep most of the tanana valley in the dry slot north of the alaska range, with precipitation redeveloping from the yukon river north. Strong south winds near the alaska range in excess of 70 mph will diminish tonight, but remain gusty to around 45 mph through Wednesday night. Winds over the summits will continue to gust to around 40 mph through Wednesday night as well. Mainly snow north of the yukon river, but it may mix with rain during the evening, and Wednesday afternoon. Snow along the south slopes of the brooks range with 2 to 4 inches expected. Special upper air sounding around delta junction this afternoon showed winds from 3000ft to 4000ft from the south at 73 knots. Coastal hazard potential days 3 and 4... None. Fire weather Near red flag conditions continue near the alaska range. Strong winds will diminish from 70 mph gusts, but remain gusty to 45 mph through Wednesday night. Relative humidity values will fall through Friday, then rebound some on the weekend into the 30s. High temperatures in the in the 40s through the weekend. Outside the tanana valley minimum relative humidity values above 30 percent and winds in the valleys 5 to 15 mph. There is slight chance of thunderstorm activity west of fairbanks Wednesday and Thursday. Extended forecast for days 4 to 7... A low pressure system moving across the being sea will spread a mix of snow and rain to the west coast Friday night as it moves to the lower yukon delta at 990 mb Saturday morning. This will also bring a chance of showers to interior locations Saturday and Sunday, but mainly north of fairbanks as another fairly strong chinook winds event across the alaska range brings south winds gusting 40 to 60 mph to the north slopes and adjacent areas. Expect temperatures near seasonal normals across the forecast area. In the central interior highs will be in the upper 40s to lower 50s, with overnight lows around 30. Afg watches warnings advisories Wind advisory for akz217-akz219-akz220-akz221-akz222-akz224- akz227. Winter weather advisory for akz218. High wind warning for akz223-akz225-akz226. Small craft advisory for pkz200-pkz210. Heavy freezing spray warning for pkz210. Brisk wind advisory for pkz215-pkz220-pkz225-pkz230-pkz235- pkz240-pkz245. Sdb apr 18

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Weather Reporting Stations

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Barter Island, Barter Island LRRS Airport, AK	127 mi	33 min	ENE 16	10.00 mi	Fair	18°F	15°F	88%	996.7 hPa

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Tide / Current Tables for Flaxman Island, Alaska

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Flaxman Island Click for Map Wed -- 04:44 AM AKDT     Sunrise Wed -- 04:44 AM AKDT     0.20 feet Low Tide Wed -- 06:15 AM AKDT     Moonset Wed -- 10:15 AM AKDT     0.59 feet High Tide Wed -- 03:01 PM AKDT     Moonrise Wed -- 05:14 PM AKDT     0.02 feet Low Tide Wed -- 10:42 PM AKDT     Sunset Wed -- 11:21 PM AKDT     0.61 feet High Tide Tide / Current data from XTide NOT FOR NAVIGATION

12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
0.5	0.4	0.3	0.3	0.2	0.2	0.2	0.3	0.4	0.5	0.6	0.6	0.5	0.4	0.3	0.2	0.1	0	0	0.1	0.3	0.4	0.5	0.6

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Tide / Current Tables for

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Weather Map and Satellite Images

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GOES Local Image of Alaska    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

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Ground Weather Radar Station Pedro Dome, 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.