Old Res Weather

Lexington, Massachusetts, USA

35°F
2/16/2025 7:17pm 
  • Lexington Conditions: Light snow, Overcast
  • Temperature: 35.1°F / 1.7°CColder 0.1°F than last hour.
  • Dew Point: 32.4°FDecreased 0.1°Fsince last hour.
  • Relative Humidity: 90
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.00 inFalling 0.05  inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.01 in
  • UV Index: $VPuv None
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Baltimore/Washington

    SMALL CRAFT ADVISORY  

Tidal Potomac from Indian Head to Cobb Island MD


Small Craft Advisory issued January 26 at 4:37PM EST until January 27 at 2:00AM EST by NWS Baltimore MD/Washington DC

SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EST TUESDAY... ...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY


Areas Affected: Tidal Potomac from Key Bridge to Indian Head MD; Tidal Potomac from Indian Head to Cobb Island MD

Urgency: Expected

Severity: Minor

Certainty: Likely

Alert Sent: Monday 4:37pm EST

Alert Effective: Monday 4:37pm EST

Alert Expires: Tuesday 12:45am EST (expect updated alert by this time)

Event Onset: Monday 4:37pm EST

Event Ends: Tuesday 2:00am EST

Issued by: NWS Baltimore MD/Washington DC


Details:
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EST TUESDAY... ...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY...

* WHAT...For the Small Craft Advisory, northwest winds 5 to 15
kt with gusts up to 25 kt. For the Freezing Spray Advisory,
moderate accumulation of freezing spray expected.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD.

* WHEN...For the Small Craft Advisory, until 2 AM EST Tuesday.
For the Freezing Spray Advisory, until 7 AM EST Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous.
Freezing spray may render mechanical and electronic components
inoperative. Ice accretion on decks and superstructures may
result in some loss of stability. Conditions will be hazardous
to small craft.

Information:
Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

Meta data:
ID: urn:oid:2.49.0.1.840.0.bde5f324f639e4dd1d98b3c6c3580936343ae4cc.004.1
Codes: ANZ535, ANZ536
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bde5f324f639e4dd1d98b3c6c3580936343ae4cc.004.1

 

    HEAVY FREEZING SPRAY ADVISORY  

Tidal Potomac from Indian Head to Cobb Island MD


Heavy Freezing Spray Advisory issued January 26 at 4:37PM EST until January 27 at 7:00AM EST by NWS Baltimore MD/Washington DC

SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EST TUESDAY... ...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY


Areas Affected: Tidal Potomac from Key Bridge to Indian Head MD; Tidal Potomac from Indian Head to Cobb Island MD

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Monday 4:37pm EST

Alert Effective: Monday 4:37pm EST

Alert Expires: Tuesday 12:45am EST (expect updated alert by this time)

Event Onset: Monday 6:00pm EST

Event Ends: Tuesday 7:00am EST

Issued by: NWS Baltimore MD/Washington DC


Details:
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EST TUESDAY... ...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY...

* WHAT...For the Small Craft Advisory, northwest winds 5 to 15
kt with gusts up to 25 kt. For the Freezing Spray Advisory,
moderate accumulation of freezing spray expected.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD.

* WHEN...For the Small Craft Advisory, until 2 AM EST Tuesday.
For the Freezing Spray Advisory, until 7 AM EST Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous.
Freezing spray may render mechanical and electronic components
inoperative. Ice accretion on decks and superstructures may
result in some loss of stability. Conditions will be hazardous
to small craft.

Information:
Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

Meta data:
ID: urn:oid:2.49.0.1.840.0.bde5f324f639e4dd1d98b3c6c3580936343ae4cc.004.2
Codes: ANZ535, ANZ536
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bde5f324f639e4dd1d98b3c6c3580936343ae4cc.004.2