Sunday, September19, 2021
Privacy Policy
L-36.com

Marine Weather and Tides
Salamatof, AK

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:35AMSunset 8:10PM Sunday September 19, 2021 5:38 AM AKDT (13:38 UTC) Moonrise 6:43PMMoonset 3:31AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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
PKZ139 Cook Inlet Kalgin Island To Point Bede- 413 Am Akdt Sun Sep 19 2021
Today..NE wind 15 kt. Seas 4 ft.
Tonight..N wind 15 kt. Seas 4 ft.
Mon..N wind 20 kt. Seas 5 ft.
Mon night..N wind 20 kt. Seas 5 ft.
Tue..NW wind 20 kt. Seas 4 ft.
Wed through Thu..N wind 20 kt. Seas 5 ft.


7 Day Forecast for Marine Location Near Salamatof, AK
   Hourly   EDIT   Help
location: 60.57, -152.13     debug


Area Discussion for -
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
FXAK68 PAFC 190042 AFDAFC

Southcentral and Southwest Alaska Forecast Discussion National Weather Service Anchorage AK 442 PM AKDT Sat Sep 18 2021

ANALYSIS AND UPPER LEVELS.

A shortwave trough is digging across the Copper River Basin this afternoon. This wave is progressing along the base of a broader trough of low pressure further north, which is currently shifting over the Alaska/Yukon border. Behind the trough axis large-scale subsidence or sinking motion has overspread much of Southcentral and Southwest with milder winds and clearing skies. Two areas, the Kuskokwim Delta and the Copper River Basin, remain under denser cloud cover. The Kuskokwim Delta is seeing moisture trapped from moving southeast by the Kuskokwim Range maintain cloudiness. The Copper River Basin remains downstream of the the aforementioned trough axis and thus in a region of convergence and diffluence aloft.

Meanwhile,a broad upper low continues to drift eastward across the Aleutians. Afternoon satellite imagery shows the center over or near Atka. This area of low pressure is promoting widespread cloud cover and areas of light rain over the Aleutian Chain with cloud cover slowly beginning to expand into the Alaska Peninsula. North to northeasterly winds are also gusting to gale force from Adak to Dutch Harbor. The low's occluded front stretches across the Alaska Peninsula with the intersection of a cold front and warm front noted to the south of Chignik. Additional easterly winds gusting to gale force are preceding the warm front. High pressure is slowly building into the Gulf with a few areas of northwesterly winds below gale force.

MODEL DISCUSSION.

Models remain in good agreement this afternoon depicting the continued progression of an Aleutian low into the Gulf over the next few days. All models suggest low pressure will set up along the coast just east of Cordova early on Tuesday, though there are differences in the evolution of the low. Guidance shows the low becoming elongated into two areas of low pressure Sunday into Monday with the leading edge of low pressure becoming the dominant low. While it looks like the higher outflow winds will be in the vicinity of Kodiak Island on Tuesday, any change in the low's track or speed could mitigate or enhance the intensity of said winds. Attention is also focused on the arrival of an arctic airmass into Southcentral on Tuesday and the potential for any snow. The Alaskan Range tends to modify colder temps this early in the year. Regardless, all the global models show 850 mb temperatures of -5 degrees Celsius or colder arriving with no issues into Southcentral on Tuesday. Models may be overdoing the freezing temperatures somewhat, thus limiting any threat for meaningful snow to the higher elevations and locations further north and east, and models will need to be evaluated closely over the next couple of days.

AVIATION.

PANC . VFR conditions will continue under high pressure with light northerly winds persisting through the TAF period.

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3: Tonight through Tue afternoon) .

An Arctic trough continues to move east this afternoon reaching the Alcan border by early Sunday morning. As a result, lingering cloud cover and some isolated showers remain possible through this evening. Some uncertainty remains as to how clear the Copper River Basin gets tonight which will impact how cold the temperatures get. Current thinking is mid to upper 20s but it could get a fair bit colder if it completely clears out. While light and variable winds are expected, cloud cover will play a role as to how cold it can get tonight for the Basin. If it does clear, low 20s to maybe even a few upper teens may be possible. The rest of Southcentral will remain clear with light and variable winds with the first widespread frost/freeze of the season remaining on track. The Susitna Valley, interior Kenai Peninsula, Matanuska Valley and especially East Anchorage can expect temperatures to drop to the upper 20s to low 30s overnight/early Sunday morning with near freezing to slightly above freezing for elsewhere. Therefore, make sure to protect those sensitive plants outdoors.

Next, Sunday will be generally quiet and dry for all of Southcentral as very weak upper level ridging remains in place. Temperatures are expected to rebound nicely during the day with most areas reaching into the low to mid 50s for highs with perhaps a few upper 50s in places. Due to the generally weak synoptic flow aloft and daytime heating, expecting at least a weak sea breeze for the Valdez area Sunday afternoon. The coastal ridge then begins to build some out ahead of the next system Sunday afternoon, therefore, expecting the Turnagain Arm to develop with some weak southeasterly winds maybe 5 to 10 mph making it into West Anchorage Sunday evening. However, any wind that does is expected to be brief before down Inlet flow develops as the next system moves northeast.

Lastly, onto the big story, a storm system currently south of the Aleutian Chain continues moving northeastward into Sunday. At this time, it appears most the precipitation with this misses Kodiak City to to the southeast remaining offshore but a few showers cannot be ruled out Sunday night into Monday morning. Then, a rather complex setup will occur for Southern Alaska Monday through Tuesday. Another Arctic trough dropping down from the northwest will bring the next stronger shot of cold air. This trough is expected to phase with the aforementioned low. Therefore, expecting any rain to change to snow overnight Monday into Tuesday morning for the Copper Basin with snow accumulations expected. There may be some snow showers for the Anchorage Hillside with any accumulation if any very minimal. Also, as the cold air comes in on the backside of this system late Monday night and Tuesday, expect a very windy day area-wide Tuesday, especially through the Seward area, Barren Islands, and Whittier as well as Valdez and Thompson Pass.

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 through 3: Sat afternoon through Tue) .

Calm and cool weather is expected on Sunday as an upper level ridge breaks down. An arctic front will move in from the north dropping temperatures a solid five to ten degrees from Sunday into Monday. Lows will drop below freezing over the interior areas with coastal areas staying in the mid 30s due to oceanic moderation. A brief shot of light snow is possible overnight with little to no accumulation. Winds will also pick up during and after frontal passage with sustained winds ranging from 15 to 30 mph out of the north on Monday. By Tuesday, impacts from the front will be minimal with breezy winds and cool temperatures.

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 through 3: Sat afternoon through Tue) .

The low over the central Aleutians is nearing peak intensity this afternoon. Fairly widespread gales have been measured on ASCAT imagery from the waters surrounding Unalaska west to Amchitka. As the low weakens and departs to the east-southeast, winds will diminish and become northerly throughout the eastern Aleutians and AKPen. By Sunday afternoon, a shortwave ridge will build over the Bering, leading to overall calm conditions through Monday night. By Tuesday afternoon, another low, taking a similar track to the one south of the Chain today, will bring gales and rain to the central Aleutians on Tuesday.

MARINE (Days Monday through Wednesday).

Gulf of Alaska . A gale-force front will be draped along the north Gulf coast, stretching east of Kodiak Island. As the responsible low pressure system sits in area, a cold arctic air mass will filter through the coastal mountains on Monday night into Tuesday which will drive gusty gale-force sustained winds through the gaps, with storm-force gusts, especially Kamishak Gap and Barren Islands regions. The next gale-force front rolls in from the Pacific quickly on Wednesday afternoon and evening.

Bering Sea . Monday starts with high pressure encompassing much of the Bering. The next system skirts the Aleutians to the south, so winds along the front in the southern Bering should be sub-gale force.

LONG TERM FORECAST (Monday through Friday). The big story with the extended forecast is an early Fall "winter" storm (even though it is still Summer until Wednesday morning). A cold front dropping southward will bring a very winter like air mass to the area. Guidance has been very consistent with digging the associated trough which will phase with a north Pacific low pressure. The combination of these two systems is needed to get the magnitude of arctic air this far south this time of year. The first trough brings the cold air through the Interior and to the edge of the Alaska Range, while the second system links up and pulls it through. Based on these factors, details have yet to determined, but there is increasing confidence of below normal temperatures, especially overnight minimums which will be below freezing in many locations.

On the subject of precipitation, the big question will be how much moisture is still in place when the cold air arrives. It will be difficult to get snow down to sea level this time of year, but for upper elevations of the Chugach it will be possible. Higher confidence for snow exists in the Copper River Basin and Thompson Pass where snow to the surface looks likely at this point along with some accumulation. The next facet of this system will be the first real "winter outflow" winds of the season. The arctic air mass being pulled through the gaps will make for gusty winds in the usual favored locations along the north Gulf coast.

The cold air mass remains in place, though moderated as the Gulf system exits quickly on Tuesday evening, but the next system comes into the Gulf on Wednesday/Thursday keeping precipitation along the coast and outflow wind in place. Definitely an active winter- like pattern.

AFC WATCHES/WARNINGS/ADVISORIES. PUBLIC . NONE. MARINE . Gale 155 170-177 FIRE WEATHER . NONE.

SYNOPSIS AND MODEL DISCUSSION . JPW/BL SOUTHCENTRAL ALASKA . MV SOUTHWEST ALASKA/BERING SEA/ALEUTIANS . CJ MARINE/LONG TERM . MTL


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
NKTA2 - 9455760 - Nikiski, AK 40 mi51 min E 6 G 6 39°F 52°F1005.1 hPa
HMRA2 - Kachemak Bay Reserve, AK 77 mi69 min ESE 5.1 1004 hPa

Wind History for Nikiski, AK
(wind in knots)    EDIT      (on/off)   Help
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
3
AM
4
AM
Last
24hr
N7
G10
N7
G12
NE5
NE6
E5
NE7
G11
NE8
G12
N1
G6
W1
G4
W4
W5
W4
G7
W5
W6
G9
W3
--
NW1
NE1
NE2
NE1
E8
E3
SE2
NE4
1 day
ago
NE9
G14
NE6
G10
NE5
G8
E5
SE2
SW2
SW3
SW2
W2
SW2
SW4
SW4
W4
G7
W5
W4
W4
SW3
N4
N7
NE6
N8
N8
G12
N3
G7
N7
2 days
ago
NE14
G23
NE14
G22
NE14
G21
NE13
G20
NE14
G23
NE13
G19
NE13
G23
NE15
G22
NE15
G25
NE16
G23
NE19
G28
NE16
G26
NE15
G21
NE14
G20
NE14
G21
NE12
G20
NE12
G17
NE11
G15
NE11
G17
NE10
G14
NE9
G15
NE11
G15
NE10
G15
NE10
G15

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kenai, Kenai Municipal Airport, AK47 mi46 minNE 310.00 miFair29°F27°F92%1005.3 hPa

Link to 5 minute data for PAEN

Wind History from AEN (wind in knots)
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
3
AM
4
AM
5
AM
Last 24hrNW3CalmN3NE4NE4N9N11N12N10NW7N7N6W7W4W4CalmNE3CalmCalmCalmCalmCalmCalmNE3
1 day agoCalmCalmNE4CalmCalmCalmSW6W4SW5W9W6W4W7W5W3SW3CalmCalmCalmCalmN6NW3CalmCalm
2 days agoN17
G26
N17
G24
N18N18N19
G26
N20
G26
N19
G28
N20
G25
N19
G26
N24
G29
N18
G30
N19
G27
N18N18
G25
N16N14N14N14N12N11N11NE5NE4NE3

Tide / Current Tables for Drift River Terminal, Alaska
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Drift River Terminal
Click for Map
Sun -- 03:37 AM AKDT     19.28 feet High Tide
Sun -- 05:31 AM AKDT     Moonset
Sun -- 07:46 AM AKDT     Sunrise
Sun -- 10:22 AM AKDT     -1.61 feet Low Tide
Sun -- 04:22 PM AKDT     19.67 feet High Tide
Sun -- 08:15 PM AKDT     Sunset
Sun -- 08:42 PM AKDT     Moonrise
Sun -- 10:37 PM AKDT     1.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
7.612.116.218.819.117.4149.34.40.5-1.5-12712.517.119.519.216.912.98.241.51.2

Tide / Current Tables for Tuxedni Channel, Alaska
   EDIT      (on/off)   Help   One Week of Data
Tuxedni Channel
Click for Map
Sun -- 02:37 AM AKDT     17.78 feet High Tide
Sun -- 05:34 AM AKDT     Moonset
Sun -- 07:49 AM AKDT     Sunrise
Sun -- 09:11 AM AKDT     -1.16 feet Low Tide
Sun -- 03:22 PM AKDT     18.17 feet High Tide
Sun -- 08:17 PM AKDT     Sunset
Sun -- 08:43 PM AKDT     Moonrise
Sun -- 09:26 PM AKDT     1.07 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
11.515.117.417.61612.78.33.80.4-1.1-0.32.67.112161817.815.511.67.23.31.31.54

Weather Map
       (on/off)   Help Weather Map
wmap_P
GEOS Local Image of Alaska    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
Link to Loop

Other links: GEOS-West     Contential US     Full GOES-East
Ground Weather Radar Station




Please read website Cookie, Privacy, and Disclamers by clicking HERE.