Lexington Weather

Lexington, Massachusetts, USA

59°F
4/17/2026 10:16am 
  • Lexington Conditions: Overcast
  • Temperature: 59.0°F / 15.0°CWarmer 2.9°F than last hour.
  • Dew Point: 57.6°FIncreased 2.9°Fsince last hour.
  • Relative Humidity: 95% 
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.80 inRising 0.03 inHg/hr Rising Slowly
  • Visibility: 10 miles
  • Rain Today: 0.09 in
  •   

Hazardous Seas Warning

Issued by the National Weather Service - Tiyan, GU

    HAZARDOUS SEAS WARNING  

Guam Coastal Waters; Rota Coastal Waters

Hazardous Seas Warning issued April 17 at 5:04PM ChST until April 18 at 11:00AM ChST by NWS Tiyan GU

HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 11 AM CHST SATURDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST SATURDAY

Areas Affected: Guam Coastal Waters; Rota Coastal Waters

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Friday 5:04pm ChST

Alert Effective: Friday 5:04pm ChST

Alert Expires: Saturday 7:00am ChST (expect updated alert by this time)

Event Onset: Friday 5:04pm ChST

Event Ends: Saturday 11:00am ChST

Issued by: NWS Tiyan GU

Details: 
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 11 AM CHST SATURDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST SATURDAY...

* WHAT...For the Hazardous Seas Warning, very steep and hazardous
seas 14 to 19 feet. For the Small Craft Advisory, west winds
15 to 25 kt with gusts up to 30 kt.

* WHERE...Guam and Rota Coastal Waters.

* WHEN...For the Hazardous Seas Warning, until 11 AM ChST
Saturday. For the Small Craft Advisory, until 5 PM ChST Saturday.

* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.

* ADDITIONAL DETAILS...Hazardous marine conditions continue in
the wake of Typhoon Sinlaku. Combined seas of 12 to 17 feet will
keep marine conditions hazardous until this Saturday morning.
Seas will be slow to subside and Small Craft Advisory winds will
continue into the weekend.

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

Meta data: 
ID: urn:oid:2.49.0.1.840.0.bf25787522f49892593de585d807876e3eff5318.001.1
Codes: PMZ151, PMZ152
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bf25787522f49892593de585d807876e3eff5318.001.1