Monday, November28, 2022
Privacy Policy
L-36.com

Marine Weather and Tide Forecast
For Whittier, AK

Version 3.4
NOTICE
10/2/2022 Still working on decoding the Airport Weather field correctly. I have checked all the airports in the country just now and it is all good. Please report any errors.
8/2/2022 Added link that gives more frequent observations on airport weather. Click on the Temperature field in "Airport Reports" or the link to 5 minute data just below the table.

Sunrise 9:36AMSunset 3:59PM Monday November 28, 2022 12:11 PM AKST (21:11 UTC) Moonrise 2:35PMMoonset 9:12PM Illumination 27% Phase: Waxing Crescent; Moon at 5 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
PKZ129 Passage Canal- 329 Am Akst Mon Nov 28 2022
.small craft advisory tonight and Tuesday...
Today..W wind 20 kt. Seas 3 ft. Freezing spray.
Tonight..W wind 25 kt. Gusts to 40 kt near whittier. Seas 3 ft. Freezing spray.
Tue..W wind 25 kt decreasing to 15 kt in the afternoon. Gusts to 40 kt near whittier. Seas 4 ft. Freezing spray.
Tue night..W wind 15 kt. Seas 2 ft.
Wed..W wind 20 kt. Seas 3 ft.
Thu..W wind 15 kt. Seas 2 ft.
Fri..E wind 15 kt. Seas 2 ft.


7 Day Forecast for Marine Location Near Whittier, AK
   Hourly   EDIT   Help
location: 60.63, -148.17     debug


Area Discussion for -
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
FXAK68 PAFC 281400 AFDAFC

Southcentral and Southwest Alaska Forecast Discussion National Weather Service Anchorage AK 500 AM AKST Mon Nov 28 2022

ANALYSIS AND UPPER LEVELS.

Noticeably colder temperatures are continuing to settle in across most of Southcentral as Arctic air continues to stream south from a strong surface high entrenched over the central interior and North Slope. This is especially true for spots where winds have remained calm and skies mostly clear overnight, allowing the surface to radiate out quickly and result in temperatures dipping below 0 F across much of the Mat-Su Valleys and western Kenai Peninsula this morning. Cold drainage winds are meanwhile continuing unabated through Passage Canal, Resurrection Bay, the Valdez Arm and Thompson Pass.

In the west, a much more complex and active pattern continues to take shape. Split flow is evident in the upper levels, with two weak jet corridors diverging near a strong low moving east of Kamchatka. The northern stream continues to arc around a strong upper ridge across the Chukchi Sea and far northern Bering, while a separate southern stream jet is bending across the Bering around a shortwave trough approaching the Alaska Peninsula (AKPen) and Bristol Bay. Closer to the surface, a frontal zone now extends from the eastern Bering across the AKPen into the western Gulf, separating temperatures in the 10s to 20s across Bristol Bay and the Kuskokwim Delta from the 40s present across the eastern Aleutians and southern AKPen. A new low is developing near the frontal triple point just west of Bristol Bay with upper support from the shortwave trough approaching from the west. A band of moderate snow continues to advance mostly east out ahead of the developing low and front, mainly between Bristol Bay and Kodiak Island.

MODEL DISCUSSION.

Models have come into much better agreement for the track of the developing low near Bristol Bay and the associated precipitation shield shifting into the Gulf and across Kodiak through this evening. Models are now in agreement that drier air and a slightly more south low track should keep any snowfall south of the Kenai Peninsula through this afternoon. Some slight differences remain for the timing/track of a shortwave expected to track south from the Copper Basin to the northern Gulf tonight into early Tuesday, with this discrepancy mainly affecting the forecast for strong northerly winds developing near Valdez and Thompson Pass tonight into Tuesday morning. There is excellent agreement that a strong ridge axis will build back over the Bering and much of western mainland through Wednesday. However, some differences again appear for the track of a shortwave expected to crest around the ridge as the wave moves out of Kamchatka/Siberia towards the western coastline. The ECMWF and Canadian depict this feature moving significantly farther south than the NAM/GFS, resulting in notable differences in the potential southward extent of heavier precipitation crossing into Southwest through Wednesday evening.

AVIATION. PANC . VFR conditions and light northerly winds around 10 to 15 kts will persist. Some fluctuation in wind speed is possible throughout the TAF period.

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3: Today through Wednesday) .

A shortwave across the eastern Bering is supporting a surface low moving across Kodiak Island and the western Gulf today. Light snow will continue through this afternoon and then taper off. Expect another 4 to 6 inches of snow with this low pressure system. This low will then track east across the Gulf exiting the region tonight. Otherwise, the rest of Southcentral will be under the influence of cold dry northerly flow with gap winds continuing today, with gusts of generally 25 to 35 knots at Seward, Whittier and Valdez. A shortwave will quickly move south from the Arctic today and will enhance winds as we move into the evening and overnight hours, especially across Valdez and Thompson Pass where high winds are expected tonight through Tuesday with sustained winds 40 to 50 mph and gusts near 75 mph. The Mat valley winds are also expected to develop by this afternoon and increase overnight into Tuesday with winds 30 to 40 mph and gusts of 50 to 55 mph. These winds will gradually decrease by Tuesday evening. Wednesday will be clear and cold with winds becoming light across the area. Clouds will also increase on Wednesday as another low pressure system moves towards Southcentral from the northwest.

SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 through 3).

Snow has started along the Southwest Alaska coast overnight and is expected to continue through the morning hours. The associated surface low will continue tracking southeastward and precipitation should diminish into the afternoon hours. Thus, the Winter Weather Advisory for the Bristol Bay coast remains in effect through early afternoon. Blowing snow concerns for the Kuskokwim Delta coast have dropped below advisory criteria and will continue to diminish through the morning hours. Beyond this afternoon, weather becomes more settled until the next weak front pushes into the Southwest Coast on Wednesday. There is a somewhat warmer air mass with the next trough, therefore, anticipate an increase in temperatures and any precipitation (primarily along the Southwest coast) could be a wintry mix or periods of freezing rain at times.

SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2).

Overall, the Bering Sea will see rather inactive weather today. There are some lingering areas of low end gale force winds and small craft winds along the northern/eastern Bering that will dissipate throughout the day. There is a weak front moving over the Central/Western Aleutians on Tuesday extending off a North Pacific low. The low itself remains relatively stagnant settled in the North Pacific, while the inverted trough that moves over the Aleutians will bring about periods of rainfall and some small craft winds.

.LONG TERM FORECAST (Days 4 through 7: Thursday through Sunday) .

A high-amplitude ridge is expected over the Bering Sea with troughing over eastern Alaska and eastern Russia. The main forecast challenge and weather impacts will be related to a series of shortwaves moving east from the Russian trough and attempting to break down the ridge. Due to the high-amplitude nature of the ridge, well above freezing air is expected to be widespread through the Bering Sea and Western Alaska, resulting in rain or freezing rain for Southwest until significant cold air can be advected into the region after multiple, successive occlusions. The first two shortwaves, which are expected to cross the bering into Southwest Thursday and Friday night, will bring rain and freezing rain, and then rain and snow each respective day. Generally speaking these systems are disorganized and will help to break down the ridge slightly, but overall will not be strong enough to have much of an impact on bringing precipitation to Southcentral.

On Saturday, a very strong shortwave will develop on the southern periphery of the Russian trough and undergo rapid cyclogenesis. With very strong baroclinicity and ample cold air advection on the backside of the low, hurricane force winds cannot be ruled out for the Western Aleutians/Bering on Saturday as the system moves north. Overall model consensus amongst the deterministic solutions is moderate for strength and positioning, but the signal exists for a strong storm to move either into far eastern Russia or into the Chukchi Sea. Depending on the exact track, coastal surf/flood issues are possible in addition to ice shoves. With the presence of the ridge and the tendency for strong storms to curve towards their left, the storm may stay far enough to the west to avoid impacts to the Mainland other than rain. Regardless, this will be a system to watch in the coming days.

The other side to this coin is that a strong low in the western Bering will only help to increase the strength of the ridge over Western Alaska, thus delaying the onset of a pattern change towards wetter conditions in Southcentral late this week. The chance that precipitation ends up falling as rain at sea level also increases significantly the longer the ridge is able to remain stationary over the region and advect warm air in from the southwest.

AFC WATCHES/WARNINGS/ADVISORIES. PUBLIC . High Wind Warning: 131. Winter Weather Advisory: 161, 171. MARINE . Gale Warning: 127, 160, 185. FIRE WEATHER . NONE.



SYNOPSIS AND MODEL DISCUSSION . AS SOUTHCENTRAL ALASKA . RC SOUTHWEST ALASKA/BERING SEA/ALEUTIANS . KM LONG TERM . CJ


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 WavesinHgDewPt
46081 - Western Prince William Sound 13 mi82 min W 14G16 24°F 1 ft30.3315°F
PPXA2 15 mi27 min W 19G25 21°F 30.3213°F
WIXA2 29 mi28 min S 6G14 18°F 30.31
BLIA2 - Bligh Reef Light, AK 70 mi42 min NNE 26G28 29°F 30.27
SWLA2 - 9455090- Seward, AK 75 mi60 min 46°F30.34

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
PATO0 sm18 minWNW 0310 smClear7°F1°F78%

Link to 5 minute data for PATO

Wind History from ATO (wind in knots)
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
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
Last 24 hrW9
G20
W8
G16
W56SW11
G20
W6
G17
W9
G20
W11
G22
W10
G21
W7
G16
W5NW75W4W5W655W4W4W400W3
1 day agoW6W7
G15
W85W8W7
G16
634W9
G17
W8
G20
6W7W8
G17
W7
G17
W7
G17
W8
G15
W9
G17
W9
G19
W7
G19
W9
G21
W8
G18
W9
G20
W10
G21
2 days ago--W10
G18
W10
G20
W8
G18
W8
G18
W7
G17
W10
G20
W9
G21
W8
G17
W8
G22
W12
G23
W10
G25
W9
G23
W10
G22
W11
G19
W11
G20
W11
G21
W8
G22
W10
G17
W12
G22
W9
G19
W10
G22
W6W7

Tide / Current Tables for Applegate Island, Alaska
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Applegate Island
Click for Map
Mon -- 04:50 AM AKST     10.73 feet High Tide
Mon -- 09:27 AM AKST     Sunrise
Mon -- 10:13 AM AKST     4.59 feet Low Tide
Mon -- 02:35 PM AKST     Moonrise
Mon -- 03:53 PM AKST     Sunset
Mon -- 04:01 PM AKST     12.65 feet High Tide
Mon -- 09:11 PM AKST     Moonset
Mon -- 11:03 PM AKST     -0.51 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Applegate Island, Alaska, Tide feet
12
am
1.3
1
am
4.1
2
am
6.8
3
am
9
4
am
10.4
5
am
10.7
6
am
10.1
7
am
8.8
8
am
7.1
9
am
5.5
10
am
4.6
11
am
5
12
pm
6.6
1
pm
8.8
2
pm
10.8
3
pm
12.1
4
pm
12.6
5
pm
12.2
6
pm
10.7
7
pm
8.3
8
pm
5.5
9
pm
2.6
10
pm
0.4
11
pm
-0.5


Tide / Current Tables for Culross Bay, Wells Passage, Alaska
   EDIT      (on/off)   Help   One Week of Data
Culross Bay
Click for Map
Mon -- 04:36 AM AKST     10.93 feet High Tide
Mon -- 09:28 AM AKST     Sunrise
Mon -- 10:06 AM AKST     4.59 feet Low Tide
Mon -- 02:36 PM AKST     Moonrise
Mon -- 03:47 PM AKST     12.85 feet High Tide
Mon -- 03:52 PM AKST     Sunset
Mon -- 09:10 PM AKST     Moonset
Mon -- 10:56 PM AKST     -0.51 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Culross Bay, Wells Passage, Alaska, Tide feet
12
am
1.7
1
am
4.6
2
am
7.4
3
am
9.5
4
am
10.7
5
am
10.9
6
am
10.1
7
am
8.6
8
am
6.8
9
am
5.3
10
am
4.6
11
am
5.2
12
pm
7
1
pm
9.3
2
pm
11.3
3
pm
12.5
4
pm
12.8
5
pm
12.1
6
pm
10.5
7
pm
8
8
pm
5.1
9
pm
2.2
10
pm
0.2
11
pm
-0.5


Weather Map
       (on/off)   Help Weather Map
wmap_P
GEOS Local Image of PacificNorthwest    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.