India Meteorological Department/ भारत मौसम विज्ञान विभाग
ACWC KOLKATA / ए .सी .डबब्लू .सी कोलकाता
Coastal Weather Bulletin
DAILY TWO Bulletin Valid for 12 hrs from 16 UTC of 2025-06-28 to 04 UTC of 2025-06-29
| Synoptic Situation | MORNING'S UPPER AIR CYCLONIC CIRCULATION OVER SOUTHWEST BANGLADESH & ADJOINING GANGETIC WEST BENGAL PERSISTED OVER THE SAME REGION AND EXTENDED UPTO 7.6 KM ABOVE MEAN SEA LEVEL TILTING SOUTHWESTWARDS WITH HEIGHT. UNDER ITS INFLUENCE A LOW-PRESSURE AREA IS LIKELY TO FORM OVER THE NORTH BAY OF BENGAL AND ADJOINING COASTAL BANGLADESH AND WEST BENGAL BY TOMORROW. SUBSEQUENTLY IT IS LIKELY TO MOVE SLOWLY WESTNORTHWESTWARDS ACROSS GANGETIC WEST BENGAL AND NORTH ODISHA & JHARKHAND. SOUTHWEST MONSOON MODERATE TO STRONG OVER NORTHWEST BAY OF BENGAL;MODERATE OVER ANDAMAN SEA. |
| Wind | MAINLY SOUTHWESTERLY 15 TO 20 KNOTS |
| Weather | RAIN OR THUNDERSHOWERS VERY LIKELY TO OCCUR AT MOST PLACES WITH HEAVY RAIN AT ONE OR TWO PLACES OVER ANDAMAN AND NICOBAR COAST |
| Visibility | 06 TO 04 KM REDUCING TO LESS THAN 02 KM IN HEAVY RAIN |
| Sea Condition | SLIGHT TO MODERATE |
| Port Signal | NIL AT ALL PORTS |
| Storm Surge/Tidal Warning | HIGH WAVES IN THE RANGE OF 2.7 - 3.2 METERS ARE FORECASTED DURING 08:30 HOURS ON 29-06-2025 TO 20:30 HOURS ON 29-06-2025. IT ADVISED THAT TO BE CAREFUL WHILE DOING MARINE OPERATIONS AND NEARSHORE RECREATION . SWELL WAVES IN THE RANGE OF 12.0 - 19.0 SEC PERIOD WITH 0.9 - 2.2 M HEIGHT ARE FORECASTED DURING 17:30 HOURS ON 27-06-2025 TO 23:30 HOURS ON 29-06-2025. IT ADVISED THAT THERE IS A POSSIBILITY OF SURGING OF WAVES, BOATS TO PLY WITH UTMOST VIGILANCE, RECREATION WITH DUE CARE. |
| Wind | SOUTHWEST TO WESTERLY 20 TO 25 KNOTS GUSTING TO 30 KNOTS |
| Weather | RAIN OR THUNDERSHOWERS VERY LIKELY TO OCCUR AT MOST PLACES WITH HEAVY RAIN AT ONE OR TWO PLACES OVER WEST BENGAL COAST |
| Visibility | 06 TO 04 KM REDUCING TO LESS THAN 02 KM IN HEAVY TO VERY HEAVY RAIN |
| Sea Condition | MODERATE TO ROUGH |
| Port Signal | KEPT HOISTED LOCAL CAUTIONARY SIGNAL NO. 3 (LC-3) AT HOOGHLY (KOLKATA & HALDIA) PORT ALONG WITH SECTIONAL SIGNAL-1 AT SAGAR ISLAND PORT. |
| Storm Surge/Tidal Warning | NIL |
| Time of Issue | 22:00 IST of 2025-06-28 |