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 21 UTC of 2026-09-21 to 09 UTC of 2026-09-22
| Synoptic Situation | THE WELL MARKED LOW PRESSURE AREA OVER WESTCENTRAL AND ADJOINING EASTCENTRAL BAY OF BENGAL, MOVED WESTNORTHWESTWARDS, INTENSIFIED INTO A DEPRESSION AND LAY CENTRED AT 1730 HRS IST OF TODAY, THE 21ST SEPTEMBER, 2026, OVER WESTCENTRAL & ADJOINING NORTHWEST BAY OF BENGAL NEAR LATITUDE 17.7°N AND LONGITUDE 87.8°E, ABOUT 310 KM SOUTHEAST OF PURI (ODISHA), 310 KM EAST-SOUTHEAST OF GOPALPUR (ODISHA), 390 KM EAST-SOUTHEAST OF KALINGAPATNAM (ANDHRA PRADESH) AND 470 KM EAST OF VISAKHAPATNAM (ANDHRA PRADESH). IT IS VERY LIKELY TO MOVE WESTNORTHWESTWARDS & INTENSIFY INTO A DEEP DEPRESSION OVER WESTCENTRAL & ADJOINING NORTHWEST BAY OF BENGAL DURING NEXT 24 HOURS. CONTINUING TO MOVE WEST- NORTHWESTWARDS IT IS VERY LIKELY TO CROSS NORTH ANDHRA PRADESH - SOUTH ODISHA COASTS BETWEEN VISAKHAPATNAM & GOPALPUR AS A DEEP DEPRESSION DURING NIGHT OF 23RD TO EARLY HOURS OF 24TH SEPTEMBER 2026. |
| Wind | SOUTH TO SOUTHWESTERLY 20 TO 25 KNOTS GUSTING 30 KNOTS OVER NORTH ANDAMAN SEA AND MAINLY SOUTHWESTERLY 15 TO 20 KNOTS GUSTING 25 KNOTS OVER SOUTH ANDAMAN SEA. |
| Weather | RAIN OR THUNDERSHOWER VERY LIKELY TO OCCUR AT MOST PLACES WITH HEAVY RAIN AT ONE OR TWO PLACES OVER ANDAMAN & NICOBAR COAST. |
| Visibility | MODERATE BECOMING POOR IN HEAVY RAIN/THUNDERSHOWER OVER NORTH ANDAMAN SEA AND GOOD BECOMING MODERATE IN RAIN/THUNDERSHOWER OVER SOUTH ANDAMAN SEA. |
| Sea Condition | MODERATE TO ROUGH OCCASIONALLY VERY ROUGH OVER NORTH ANDAMAN SEA AND SLIGHT TO MODERATE OCCASIONALLY 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 15.0 - 18.0 SEC PERIOD WITH 1.8 - 2.3 M HEIGHT ARE FORECASTED DURING 17:30 HOURS ON 21-09-2026 TO 23:30 HOURS ON 23-09-2026. IT ADVISED THAT THERE IS A POSSIBILITY OF SURGING OF WAVES, BOATS TO PLY WITH UTMOST VIGILANCE, RECREATION WITH DUE CARE. |
| Wind | MAINLY EASTERLY 20 - 25 KTS GUSTING 30 KTS |
| Weather | RAIN OR THUNDERSHOWER VERY LIKELY TO OCCUR AT MANY PLACES OVER WEST BENGAL COAST. |
| Visibility | MODERATE BECOMING POOR IN HEAVY RAIN/THUNDERSHOWER |
| Sea Condition | MODERATE TO ROUGH OCCASIONALLY VERY ROUGH |
| Port Signal | HOISTED LOCAL CAUTIONARY SIGNAL-3 (LC3) AT HALDIA PORT & DISTANT CAUTIONARY SIGNAL-1 (DC1) AT KOLKATA PORT WITH SECTIONAL SIGNAL-II AT SAGAR ISLAND PORT. |
| Storm Surge/Tidal Warning | NIL |
| Time of Issue | 22:28 IST of 2026-09-21 |