Alert archive / Alaska / Tsunami Warnings in 2025

Tsunami Warning 13, NWS AAQ

July 16, 20254 counties in Alaska

NWS AAQ issued this tsunami warning at Jul 16, 2025, 12:42 PM AKDT for 4 counties in Alaska. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 16, 2025, 12:42 PM AKDT (20:42 UTC)
Expired
Jul 16, 2025, 1:44 PM AKDT
In force
62 min
Issued by
NWS AAQ

Counties Aleutians East Borough, AK, Kenai Peninsula Borough, AK, Kodiak Island Borough, AK, Lake and Peninsula Borough, AK

The nearest sounding before it

Kodiak, (PADQ), launched 12:00Z, 8.7 hours before the alert went out and 248 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Kodiak, at 12:00Z on 2025-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Kodiak, at 12:00Z on 2025-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
431 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

539 
WEPA41 PAAQ 162042
TSUWCA

BULLETIN
Tsunami Message Number 1
NWS National Tsunami Warning Center Palmer AK
1242 PM AKDT Wed Jul 16 2025

AKZ721>723-729-771>773-781-162142-
/O.NEW.PAAQ.TS.W.0013.250716T2042Z-000000T0000Z/
Coastal areas between and including Kennedy Entrance,
Alaska (40 miles SW of Homer) to Unimak Pass, Alaska (80
miles NE of Unalaska)
1242 PM AKDT Wed Jul 16 2025

...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE
   COASTAL AREAS OF ALASKA FROM KENNEDY ENTRANCE ALASKA, WHICH
   IS LOCATED 40 MILES SW OF HOMER TO UNIMAK PASS ALASKA,
   WHICH IS LOCATED 80 MILES NE OF UNALASKA...

If you are located in this coastal area, move inland 
to higher ground.

Tsunami warnings mean that a tsunami with significant
inundation is possible or is already occurring.  Tsunamis are
a series of waves dangerous many hours after initial arrival
time.  The first wave may not be the largest.

At 1238 PM Alaska Daylight Time on July 16 an earthquake with
preliminary magnitude 7.2 occurred 50 miles south of
Sand Point Alaska.

Estimated tsunami start times for selected sites are;

Sand Point         Alaska              116 PM. AKDT. July 16.
Cold Bay           Alaska              236 PM. AKDT. July 16.
Kodiak             Alaska              241 PM. AKDT. July 16.

The tsunami warning will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$
2 follow-up statements
427 
WEPA41 PAAQ 162113
TSUWCA

BULLETIN
Tsunami Message Number 2
NWS National Tsunami Warning Center Palmer AK
113 PM AKDT Wed Jul 16 2025

AKZ721>723-729-771>773-781-162213-
/O.CON.PAAQ.TS.W.0013.000000T0000Z-000000T0000Z/
Coastal areas between and including Kennedy Entrance,
Alaska (40 miles SW of Homer) to Unimak Pass, Alaska (80
miles NE of Unalaska)
113 PM AKDT Wed Jul 16 2025

...THE TSUNAMI WARNING REMAINS IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM KENNEDY ENTRANCE ALASKA, WHICH IS
   LOCATED 40 MILES SW OF HOMER TO UNIMAK PASS ALASKA, WHICH
   IS LOCATED 80 MILES NE OF UNALASKA...

If you are located in this coastal area, move inland 
to higher ground.

Tsunami warnings mean that a tsunami with significant
inundation is possible or is already occurring.  Tsunamis are
a series of waves dangerous many hours after initial arrival
time.  The first wave may not be the largest.

At 1238 PM Alaska Daylight Time on July 16 an earthquake with
preliminary magnitude 7.3 occurred 55 miles south of
Sand Point Alaska.

Estimated tsunami start times for selected sites are;

Sand Point         Alaska              130 PM. AKDT. July 16.
Cold Bay           Alaska              225 PM. AKDT. July 16.
Kodiak             Alaska              240 PM. AKDT. July 16.

The tsunami warning will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$
171 
WEPA41 PAAQ 162144
TSUWCA

BULLETIN
Tsunami Message Number 3
NWS National Tsunami Warning Center Palmer AK
144 PM AKDT Wed Jul 16 2025

AKZ721>723-729-771>773-781-162244-
/O.CAN.PAAQ.TS.W.0013.000000T0000Z-000000T0000Z/
/O.NEW.PAAQ.TS.Y.0013.250716T2144Z-000000T0000Z/
Coastal areas between and including Kennedy Entrance,
Alaska (40 miles SW of Homer) to Unimak Pass, Alaska (80
miles NE of Unalaska)
144 PM AKDT Wed Jul 16 2025

...A TSUNAMI ADVISORY IS NOW IN EFFECT WHICH INCLUDES THE
   COASTAL AREAS OF ALASKA FROM KENNEDY ENTRANCE ALASKA, WHICH
   IS LOCATED 40 MILES SW OF HOMER TO UNIMAK PASS ALASKA,
   WHICH IS LOCATED 80 MILES NE OF UNALASKA...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.  Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1238 PM Alaska Daylight Time on July 16 an earthquake with
preliminary magnitude 7.3 occurred 55 miles south of
Sand Point Alaska.

Estimated tsunami start times for selected sites are;

Sand Point         Alaska              130 PM. AKDT. July 16.
Cold Bay           Alaska              225 PM. AKDT. July 16.
Kodiak             Alaska              240 PM. AKDT. July 16.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

The office that day

Everything else NWS AAQ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 16, 1:44 PM AKDTTsunami AdvisoryAAQAleutians East, Kenai Peninsula, Kodiak Island, Lake and Peninsula58 min

Nearby

Tsunami Warnings in Alaska, 2025Every tsunami warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.