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 2026-09-27 to 09 UTC of 2026-09-28
| Synoptic Situation | THE LOW PRESSURE AREA OVER SOUTH COASTAL MYANMAR & NEIGHBOURHOOD EMERGED INTO NORTH ANDAMAN SEA & ADJOINING MYANMAR COAST AND LAY AS A WELL MARKED LOW PRESSURE AREA OVER THE SAME REGION AT 1730 HRS IST OF TODAY, THE 27TH SEPTEMBER 2026.IT IS LIKELY TO MOVE NORTH-NORTHWESTWARDS AND CONCENTRATED INTO A DEPRESSION DURING NEXT 24 HOURS. IT IS LIKELY TO CONTINUE TO MOVE NORTH-NORTHWESTWARDS ALONG AND OFF MYANMARBANGLADESH COASTS TOWARDS NORTHEAST BAY OF BENGAL & ADJOINING BANGLADESH DURING SUBSEQUENT 2 DAYS. |
| Wind | MAINLY WESTERLY 25 - 30 KTS GUSTING 35 KTS OVER NORTH ANDAMAN SEA AND SOUTHWEST TO WESTERLY 20 - 25 KTS OVER SOUTH ANDAMAN SEA |
| Weather | RAIN OR THUNDERSHOWER VERY LIKELY TO OCCUR AT MANY PLACES OVER ANDAMAN & NICOBAR COASTS WITH HEAVY RAIN AT ONE OR TWO PLACES OVER ANDAMAN COAST. |
| Visibility | MODERATE BECOMING POOR IN HEAVY RAIN/THUNDER SHOWER OVER NORTH ANDAMAN SEA AND MODERATE BECOMING POOR IN RAIN/THUNDERSHOWER OVER SOUTH ANDAMAN SEA |
| Sea Condition | ROUGH TO VERY ROUGH OCCASIONALLY BECOMING HIGH OVER NORTH ANDAMAN SEA AND MODERATE TO ROUGH OVER SOUTH ANDAMAN SEA. |
| Port Signal | LOCAL CAUTIONARY SIGNAL NO. 3 IS KEPT HOISTED AT SRI VIJAYAPURAM PORT. |
| Storm Surge/Tidal Warning | SWELL WAVES IN THE RANGE OF 17.0 - 19.0 SEC PERIOD WITH 1.3 - 1.5 M HEIGHT ARE FORECASTED DURING 17:30 HOURS ON 27-09-2026 TO 17:30 HOURS ON 29-09-2026. IT ADVISED THAT THERE IS A POSSIBILITY OF SURGING OF WAVES, BOATS TO PLY WITH UTMOST VIGILANCE, RECREATION WITH DUE CARE. |
| Wind | MAINLY WESTERLY 05 TO 10 KNOTS. |
| Weather | RAIN OR THUNDERSHOWER LIKELY TO OCCUR AT A FEW PLACES OVER WEST BENGAL COAST. |
| Visibility | GOOD BECOMING MODERATE IN RAIN/THUNDERSHOWER. |
| Sea Condition | SMOOTH |
| Port Signal | NIL |
| Storm Surge/Tidal Warning | SWELL WAVES IN THE RANGE OF 18.0 - 21.0 SEC PERIOD WITH 1.1 - 1.2 M HEIGHT ARE FORECASTED DURING 17:30 HOURS ON 27-09-2026 TO 23:30 HOURS ON 29-09-2026. IT ADVISED THAT THERE IS A POSSIBILITY OF SURGING OF WAVES, BOATS TO PLY WITH UTMOST VIGILANCE, RECREATION WITH DUE CARE. |
| Time of Issue | 22:37 IST of 2026-09-27 |