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Weather Alerts for Portsmouth Seacoast

Issued by the National Weather Service

Coastal Flood Advisory  COASTAL FLOOD ADVISORY   Coastal Flood Advisory
PORTSMOUTH SEACOAST

Areas Affected:
Coastal York - Coastal Cumberland - Sagadahoc - Lincoln - Knox - Coastal Waldo - Coastal Rockingham
Effective: Fri, 8/22 1:47pm Updated: Fri, 8/22 2:02pm Urgency: Expected
Expires: Fri, 8/22 10:00pm Severity: Minor Certainty: Likely

 
Details:
* WHAT...For the High Surf Advisory, large breaking waves of large
breaking waves of 6 to 10 feet and a high risk of dangerous rip
currents.. For the Coastal Flood Advisory, minor coastal
flooding and splash over.

* WHERE...In Maine, Coastal York, Coastal Cumberland, Sagadahoc,
Lincoln, Knox and Coastal Waldo Counties. In New Hampshire,
Coastal Rockingham County.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday.
For the Coastal Flood Advisory, from 10 PM this evening to 1
AM EDT Saturday.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous swimming and
surfing conditions and localized beach erosion.

Information:
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

High Surf Advisory  HIGH SURF ADVISORY   High Surf Advisory
PORTSMOUTH SEACOAST

Areas Affected:
Coastal York - Coastal Cumberland - Sagadahoc - Lincoln - Knox - Coastal Waldo - Coastal Rockingham
Effective: Fri, 8/22 1:47pm Updated: Fri, 8/22 2:02pm Urgency: Expected
Expires: Fri, 8/22 10:00pm Severity: Minor Certainty: Likely

 
Details:
* WHAT...For the High Surf Advisory, large breaking waves of large
breaking waves of 6 to 10 feet and a high risk of dangerous rip
currents.. For the Coastal Flood Advisory, minor coastal
flooding and splash over.

* WHERE...In Maine, Coastal York, Coastal Cumberland, Sagadahoc,
Lincoln, Knox and Coastal Waldo Counties. In New Hampshire,
Coastal Rockingham County.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday.
For the Coastal Flood Advisory, from 10 PM this evening to 1
AM EDT Saturday.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous swimming and
surfing conditions and localized beach erosion.

Information:
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Special Weather Statement  SPECIAL WEATHER STATEMENT   Special Weather Statement
PORTSMOUTH SEACOAST

Areas Affected:
Interior York - Central Interior Cumberland - Androscoggin - Kennebec - Interior Waldo - Coastal York - Coastal Cumberland - Sagadahoc - Lincoln - Knox - Coastal Waldo - Interior Cumberland Highlands - Strafford - Eastern Hillsborough - Interior Rockingham - Coastal Rockingham
Effective: Fri, 8/22 8:39am Updated: Fri, 8/22 2:02pm Urgency: Expected
Expires: Fri, 8/22 7:00pm Severity:  Moderate  Certainty: Observed

 
Details:
A very dry air mass and breezy conditions will combine with dead
and dry fuels such as grass, leaves, and twigs to create the
potential for uncontrolled fire spread across the coastal plain of
Maine and southeast New Hampshire today. This afternoon, relative
humidity values will decrease to low levels between 25 to 30 R.H.
%. At the same time, north to northeast| winds between 10 to 15 mph
with frequent gusts to 20 mph will continue to dry fuels and
increase fire spread potential. Near the coast, a sea breeze will
develop this afternoon with southeast winds gusting to 20 mph.
Wind gusts are expected to diminish later this evening with
increasing relative humidity values.

Extra caution should be taken to prevent wildfires. Always consult
with fire officials before engaging in any open burning
activities and comply with all applicable laws and regulations.
Never leave an open fire unattended and always extinguish
campfires completely before leaving.