India Meteorological Department/ भारत मौसम विज्ञान विभाग

ACWC KOLKATA / ए .सी .डबब्लू .सी कोलकाता

Coastal Weather Bulletin

DAILY ONE Bulletin Valid for 12 hrs from 09 UTC of 2026-07-16 to 21 UTC of 2026-07-16

 
Synoptic Situation SOUTHWEST MONSOON MODERATE TO STRONG OVER NORTH ANDAMAN SEA; MODERATE OVER SOUTH ANDAMAN SEA. THE LOW PRESSURE OVER NORTHWEST BAY OF BENGAL AND ADJOINING NORTH ODISHA -WEST BENGAL COASTS NOW LAY AS A WELL-MARKED LOW PRESSURE AREA OVER THE SAME REGION AT 0830 HRS IST OF TODAY, 16TH JULY, 2026. THE ASSOCIATED CYCLONIC CIRCULATION EXTENDING UPTO 7.6 KM ABOVE MEAN SEA LEVEL TILTING SOUTHWESTWARDS WITH HEIGHT. IT IS VERY LIKELY TO MOVE NORTHWESTWARDS ACROSS NORTH ODISHA & GANGETIC WEST BENGAL DURING NEXT 2 DAYS. SOUTHWEST MONSOON MODERATE TO STRONG OVER NORTHWEST BAY OF BENGAL.

 
Andaman area
Wind MAINLY SOUTHWESTERLY; 20 TO 25 KNOTS OVER NORTH ANDAMAN SEA; MAINLY SOUTHWESTERLY; 15 - 20 KNOTS GUSTING TO 25 KNOTS OVER SOUTH ANDAMAN SEA.
Weather RAIN OR THUNDERSHOWER LIKELY TO OCCUR AT FEW PLACES OVER ANDAMAN & NICOBAR COASTS.
Visibility GOOD BECOMING MODERATE IN RAIN/THUNDERSHOWER OVER ANDAMAN SEA.
Sea Condition MODERATE TO ROUGH OVER NORTH ANDAMAN SEA; SLIGHT TO MODERATE OCASSIONALLY ROUGH OVER SOUTH ANDAMAN SEA.
Port Signal KEEP HOISTED LOCAL CAUTIONARY SIGNAL NO. 3 AT SRI VIJAYAPURAM PORT.
Storm Surge/Tidal Warning SWELL WAVES IN THE RANGE OF 16.0 - 18.0 SEC PERIOD WITH 1.6 - 1.9 M HEIGHT ARE FORECASTED UP TO 20:30 HOURS DATED 17-07-2026. IT ADVISED THAT THERE IS A POSSIBILITY OF SURGING OF WAVES, BOATS TO PLY WITH UTMOST VIGILANCE, RECREATION WITH DUE CARE.

West Bengal coast
Wind MAINLY SOUTHWESTERLY; 20 TO 25 KNOTS GUSTING TO 30 KNOTS.
Weather RAIN OR THUNDERSHOWER VERY LIKELY TO OCCUR AT MOST PLACES ALONG WITH HEAVY TO VERY HEAVY RAINFALL AT ONE OR TWO PLACES OVER WEST BENGAL COAST.
Visibility MODERATE BECOMING POOR IN HEAVY RAIN/THUNDERSHOWER.
Sea Condition MODERATE TO ROUGH OCASSIONALLY VERY ROUGH.
Port Signal KEEP HOISTED LOCAL CAUTIONARY SIGNAL NO. 3 AT HOOGHLY (KOLKATA & HALDIA) PORT WITH SECTIONAL SIGNAL NO-I AT SAGAR ISLAND PORT.
Storm Surge/Tidal Warning NIL.

Time of Issue13:50 IST of 2026-07-16