Lexington Weather

Lexington, Massachusetts, USA

47°F
4/19/2026 9:35am 
  • Lexington Conditions: Mist, Overcast
  • Temperature: 47.1°F / 8.4°CWarmer 0.3°F than last hour.
  • Dew Point: 45.7°FIncreased 0.4°Fsince last hour.
  • Relative Humidity: 95% 
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.70 inFalling 0.02 inHg/hr Falling Slowly
  • Visibility: 2 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - New York, NY

    DENSE FOG ADVISORY  

New York Harbor

Dense Fog Advisory issued April 19 at 8:43AM EDT until April 19 at 12:00PM EDT by NWS Upton NY

DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING

Areas Affected: Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River; Long Island Sound East of the Mouth of the Connecticut River; Long Island Sound West of New Haven CT/Port Jefferson NY; New York Harbor; Peconic and Gardiners Bays; South Shore Bays from Jones Inlet through Shinnecock Bay

Urgency: Expected

Severity: Minor

Certainty: Likely

Alert Sent: Sunday 8:43am EDT

Alert Effective: Sunday 8:43am EDT

Alert Expires: Sunday 6:00pm EDT (expect updated alert by this time)

Event Onset: Sunday 8:43am EDT

Event Ends: Sunday 12:00pm EDT

Issued by: NWS Upton NY

Details: 
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
visibility to less than 1 nm. For the Small Craft Advisory, NW
winds 15 to 20 kt with gusts up to 25 kt expected.

* WHERE...Long Island Sound, the south shore and eastern bays of
Long Island, and New York Harbor, including Raritan Bay and
Sandy Hook Bay.

* WHEN...For the Dense Fog Advisory, until noon EDT today. For
the Small Craft Advisory, until 6 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft. Low
visibility will make navigation difficult.

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.bbc255b121a274fdcb0434b46910470f0782e1e5.001.1
Codes: ANZ331, ANZ332, ANZ335, ANZ338, ANZ340, ANZ345
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bbc255b121a274fdcb0434b46910470f0782e1e5.001.1

 

    SMALL CRAFT ADVISORY  

New York Harbor

Small Craft Advisory issued April 19 at 8:43AM EDT until April 19 at 6:00PM EDT by NWS Upton NY

DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING

Areas Affected: Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River; Long Island Sound East of the Mouth of the Connecticut River; Long Island Sound West of New Haven CT/Port Jefferson NY; New York Harbor; Peconic and Gardiners Bays; South Shore Bays from Jones Inlet through Shinnecock Bay

Urgency: Expected

Severity: Minor

Certainty: Likely

Alert Sent: Sunday 8:43am EDT

Alert Effective: Sunday 8:43am EDT

Alert Expires: Sunday 6:00pm EDT

Event Onset: Sunday 11:00am EDT

Event Ends: Sunday 6:00pm EDT

Issued by: NWS Upton NY

Details: 
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
visibility to less than 1 nm. For the Small Craft Advisory, NW
winds 15 to 20 kt with gusts up to 25 kt expected.

* WHERE...Long Island Sound, the south shore and eastern bays of
Long Island, and New York Harbor, including Raritan Bay and
Sandy Hook Bay.

* WHEN...For the Dense Fog Advisory, until noon EDT today. For
the Small Craft Advisory, until 6 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft. Low
visibility will make navigation difficult.

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.bbc255b121a274fdcb0434b46910470f0782e1e5.001.2
Codes: ANZ331, ANZ332, ANZ335, ANZ338, ANZ340, ANZ345
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bbc255b121a274fdcb0434b46910470f0782e1e5.001.2