Coastal Flood Warning
Coastal Hazard Message
National Weather Service Charleston SC
1006 AM EDT Thu Oct 9 2025
SCZ049-050-092215-
/O.CON.KCHS.CF.W.0002.000000T0000Z-251010T1900Z/
/O.CON.KCHS.SU.Y.0008.251009T1800Z-251012T1200Z/
/O.CON.KCHS.RP.S.0010.000000T0000Z-251010T0000Z/
Coastal Colleton-Charleston-
1006 AM EDT Thu Oct 9 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 3 PM EDT
FRIDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 8 AM EDT SUNDAY...
* WHAT...For the Coastal Flood Warning, one to two feet of
inundation above ground level along shorelines and tidal
waterways (7.7 to 7.9 feet Mean Lower Low Water at Charleston)
this morning and one to two feet of inundation above ground
level (8.4 to 8.6 feet Mean Lower Low Water at Charleston)
Friday morning. For the High Rip Current Risk, dangerous rip
currents. For the High Surf Advisory, large breaking waves of 5
to 6 feet expected in the surf zone.
* WHERE...Coastal Colleton and Charleston Counties.
* WHEN...For the Coastal Flood Warning, until 3 PM EDT Friday.
For the High Rip Current Risk, until 8 PM EDT this evening.
For the High Surf Advisory, from 2 PM this afternoon to 8 AM
EDT Sunday.
* IMPACTS...Significant saltwater inundation will render
numerous roads impassable. Properties may also flood.
Dangerous swimming and surfing conditions and localized beach
erosion. Rip currents can sweep even the best swimmers away
from shore into deeper water.
* ADDITIONAL DETAILS...High tide will occur around 10:15 AM this
morning at Charleston. Saltwater inundation will be possible 2
to 3 hours before and after high tide.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
Visit water.weather.gov for additional water level and flood
impact information.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Swim near a lifeguard. If caught in a rip current, relax and
float. Don`t swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.
&&
Time of high total tides are approximate to the nearest hour.
Charleston Harbor SC
MLLW Categories - Minor 7.0 ft, Moderate 7.5 ft, Major 8.0 ft
MHHW Categories - Minor 1.2 ft, Moderate 1.7 ft, Major 2.2 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
09/10 AM 7.7 1.9 0.6 N/A Moderate
09/10 PM 7.2 1.4 1.4 N/A Minor
10/11 AM 8.5 2.7 1.6 N/A Major
10/11 PM 7.1 1.3 1.5 N/A Minor
11/12 PM 8.0 2.2 1.3 N/A Major
12/12 AM 6.7 0.9 1.4 N/A None
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ827-091800-
/O.CON.PAFG.CF.W.0001.000000T0000Z-251009T1800Z/
St Lawrence Island-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 10 AM AKDT
THURSDAY...
* WHAT...Water levels rising 1 to 2 feet at Savoonga and 2 to 5
feet at Gambell above the normal high tide line.
* WHERE...St Lawrence Island.
* WHEN...Until 10 AM AKDT Thursday.
* IMPACTS...Water levels up to 5 feet above the normal high tide
line may impact the dump and bring water towards Gambell on the
west side. This will also threaten the FAA equipment, runway,
and the community boat storage. Significant erosion is likely to
occur as well. Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ801-091800-
/O.CON.PAFG.CF.W.0001.000000T0000Z-251010T1200Z/
Western Arctic Coast-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM AKDT
FRIDAY...
* WHAT...Water levels rising 5 to 7 feet above the normal high
tide line.
* WHERE...Western Arctic Coast.
* WHEN...Until 4 AM AKDT Friday.
* IMPACTS...Water levels in Point Hope will rise 5 to 7 feet above
the normal high tide line beginning Wednesday morning. Peak
water levels will arrive late Wednesday evening into Thursday
morning (6 PM to 6 AM) then receed gradually through Thursday
night/Friday morning. Water levels won`t return to near normal
until Friday afternoon at the earliest. This rise is being
caused by west-northwest winds around 25 to 35 mph. At Point
Lay, flooding is not expected, however significant erosion is
likely. At Point Hope, significant erosion of the sea wall from
the north and erosion at the airport is likely. Flooding of the
airport on the north side is likely. Berms on the south side
will likely see erosion, but flooding there is not likely.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ802-091800-
/O.CON.PAFG.CF.W.0001.000000T0000Z-251010T1200Z/
Northwest Arctic Coast-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM AKDT
FRIDAY...
* WHAT...Water levels rising 4 to 6 feet above the normal high
tide line.
* WHERE...Northwest Arctic Coast.
* WHEN...Until 4 AM AKDT Friday.
* IMPACTS...Water levels in Wainwright will rise 4 to 6 feet above
the normal high tide line beginning Wednesday afternoon. Peak
water levels will arrive late Wednesday night into Thursday
morning (11 PM to 6 AM) then receed gradually through Thursday
night/Friday morning. Water levels won`t return to near normal
until Friday afternoon at the earliest. This rise is being
caused by west-northwest winds around 25 to 35 mph. Extensive
erosion of the bluff may occur. Numerous roads may be closed.
Low lying property including homes, businesses, and some
critical infrastructure may be inundated.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ803-091800-
/O.CON.PAFG.CF.W.0001.000000T0000Z-251010T1200Z/
Northern Arctic Coast-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM AKDT
FRIDAY...
* WHAT...Water levels rising 3 to 4 feet above the normal high
tide line.
* WHERE...Northern Arctic Coast.
* WHEN...Until 4 AM AKDT Friday.
* IMPACTS...Water levels in Utqiagvik/Point Barrow will rise 3 to
4 feet above the normal high tide line beginning Wednesday
afternoon. Peak water levels will arrive late Wednesday night
into Thursday morning (1 AM to 5 AM) then receed gradually
through Thursday night. Water levels won`t return to near normal
until Friday. This rise is being caused by west- northwest winds
around 25 to 35 mph. Numerous roads may be closed. Low lying
property including homes, businesses, and some critical
infrastructure will be inundated. Significant shoreline erosion
will occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ815-091800-
/O.CON.PAFG.CF.W.0001.000000T0000Z-251010T1200Z/
Kivalina and Red Dog Dock-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM AKDT
FRIDAY...
* WHAT...Water levels rising 5 to 7 feet above the normal high
tide line.
* WHERE...Kivalina and Red Dog Dock.
* WHEN...Until 4 AM AKDT Friday.
* IMPACTS...Water levels as high as 7 feet can produce coastal
flooding and significant erosion, especially on the north end of
Kivalina. West-southwest winds on Wednesday, then northwest on
Thursday, sustained around 25 to 40 mph have been known to cause
damage and coastal flooding in the Village of Kivalina in the
past. The school and the tank farms in Kivalina are currently at
risk of being impacted due to coastal flooding. Water will
likely rise above the level of the seawall and many buildings
and streets will flood. The Native Store, Friends Church, and
the water pump station will be inundated. McQueen School and
Alaska Village Electric may flood. Few roads will be left
passable in anything other than a boat.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ816-091800-
/O.CON.PAFG.CF.W.0001.000000T0000Z-251010T1200Z/
Lower Kobuk Valley-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM AKDT
FRIDAY...
* WHAT...Water levels rising 6 to 8 feet above the normal high
tide line.
* WHERE...Lower Kobuk Valley.
* WHEN...Until 4 AM AKDT Friday.
* IMPACTS...Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ817-091800-
/O.CON.PAFG.CF.W.0001.000000T0000Z-251010T1200Z/
Baldwin Peninsula-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM AKDT
FRIDAY...
* WHAT...Water levels rising 6 to 8 feet above the normal high
tide line. This will likely surpass last October`s flooding
event.
* WHERE...Baldwin Peninsula.
* WHEN...Until 4 AM AKDT Friday.
* IMPACTS...Coastal flooding is occurring with water levels as
high as 8 feet above the normal high tide line. This will likely
surpass last October`s flooding event. The highest water levels
are expected to be from Wednesday afternoon through Thursday
afternoon (4 PM to 4 PM). The winds will initially come from
from the southwest Tuesday evening through Thursday morning,
then shift northwest and weaken through Friday morning. The
sewage lagoon is at risk of flooding, the Post Office, Nulagvik
Hotel, as well as various restaurants and markets are
susceptible to coastal flooding. The area near the Teacher
Housing will be inundated. Water will approach houses and tents
at the North Tent City fish camp. Coastal flooding in the city
is possible if water levels reach 9 feet above the normal high
tide line.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ818-091800-
/O.CON.PAFG.CF.W.0001.000000T0000Z-251010T1200Z/
Northern Seward Peninsula-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM AKDT
FRIDAY...
* WHAT...Water levels rising 5 to 7 feet above the normal high
tide line.
* WHERE...Northern Seward Peninsula.
* WHEN...Until 4 AM AKDT Friday.
* IMPACTS...Coastal flooding is likely to occur with water levels
as high as 7 feet above the normal high tide line. The highest
water levels are expected to be from Wednesday afternoon through
Thursday afternoon (4 PM to 4 PM). The winds will initially come
from from the west-southwest Tuesday evening through Thursday
morning, then shift northwest and weaken through Friday morning.
At Deering, numerous roads may be closed or impassible,
including the road to the airport. Low lying property including
homes, businesses, and some critical infrastructure will be
inundated. Some shoreline erosion will occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ820-091800-
/O.CON.PAFG.CF.W.0001.000000T0000Z-251010T0000Z/
Shishmaref-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 PM AKDT
THURSDAY...
* WHAT...Water levels rising 5 to 6 feet above the normal high
tide line.
* WHERE...Shishmaref.
* WHEN...Until 4 PM AKDT Thursday.
* IMPACTS...Shishmaref will have several high tides to go through
between Wednesday and Thursday. Water levels initially rise from
the lagoon side on Wednesday, the winds shift northwest on
Thursday leading to water approaching from the north. The
highest water is expected Wednesday afternoon. Significant
shoreline erosion will occur. The airstrip will likely be
closed. The sanitation road may washout. Water will inundate
many buildings on the inlet side of town including the clinic,
library, and water treatment plant. Wave run-up from the coast
will inundate buildings near the sewage lagoon. At Diomede,
large waves and wave runup will cause erosion and may wash items
away. Numerous roads may be closed. Low lying property including
homes, businesses, and some critical infrastructure will be
inundated.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
Coastal Hazard Message
National Weather Service Fairbanks AK
157 PM AKDT Wed Oct 8 2025
AKZ822-091800-
/O.EXT.PAFG.CF.W.0001.000000T0000Z-251009T1800Z/
Southern Seward Peninsula Coast-
157 PM AKDT Wed Oct 8 2025
...COASTAL FLOOD WARNING NOW IN EFFECT UNTIL 10 AM AKDT
THURSDAY...
* WHAT...Water levels rising 4 to 6 feet above the normal high
tide line in Nome, 6 to 8 feet in Golovin.
* WHERE...Southern Seward Peninsula Coast.
* WHEN...Until 10 AM AKDT Thursday.
* IMPACTS...Water levels up to 6 feet above the normal high tide
line may put waves over the Nome-Council Road between mile 23
and 24. The road may flood or wash out or become impassable, but
usually that happens with higher water levels. The Belmont
Subdivision area in Nome will begin to flood once water levels
reach 5 to 6 feet. West Beach of Nome will see coastal flooding
when the heights reach 6 feet. Debris from wave runup is
expected to impact Front Street. Water may cut off access
between the tarmac and airport terminal. In Golovin, coastal
flooding may affect many residences, the school, power plant,
tank farm, store and clinic. The highest water levels will be
over the course of several high tides ranging from Wednesday
morning through Thursday morning. Winds will be from the west-
southwest throughout the event.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
