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 21 UTC of 2026-07-13 to 09 UTC of 2026-07-14
| Synoptic Situation | SOUTHWEST MONSOON MODERATE OVER ANDAMAN SEA AND THE UPPER AIR CYCLONIC CIRCULATION OVER SOUTH BANGLADESH & NEIGHBOURHOOD NOW LIES OVER NORTH BAY OF BENGAL & ADJOINING SOUTH BANGLADESH BETWEEN 4.5 & 5.8 KM ABOVE MEAN SEA LEVEL. THE TROUGH IN WESTERLIES ROUGHLY ALONG LONG. 89°E TO THE NORTH OF LAT. 21°N UPTO 1.5 KM ABOVE MEAN SEA LEVEL HAS BECOME LESS MARKED. SOUTHWEST MONSOON WEAK TO MODERATE OVER NORTHWEST BAY OF BENGAL. |
| Wind | SOUTHWEST TO WESTERLY 20 TO 25 KNOTS GUSTING TO 30 KNOTS OVER NORTH ANDAMAN SEA; MAINLY SOUTHWESTERLY 20 TO 25 KNOTS GUSTING TO 30 KNOTS OVER SOUTH ANDAMAN SEA. |
| Weather | RAIN OR THUNDERSHOWER VERY LIKELY TO OCCUR AT MOST PLACES OVER ANDAMAN & NICOBAR COASTS. |
| Visibility | MODERATE BECOMING POOR IN HEAVY RAIN/THUNDERSHOWER OVER NORTH ANDAMAN SEA; MODERATE BECOMING POOR IN RAIN/THUNDER SHOWER OVER SOUTH ANDAMAN SEA. |
| Sea Condition | MODERATE TO ROUGH OCASSIONALLY VERY ROUGH OVER ANDAMAN SEA. |
| Port Signal | KEEP HOISTED LOCAL CAUTIONARY SIGNAL NO. 3 AT SRI VIJAYAPURAM PORT. |
| Storm Surge/Tidal Warning | NIL |
| Wind | SOUTH TO SOUTHWESTERLY 15 TO 20 KNOTS. |
| Weather | RAIN OR THUNDERSHOWER VERY LIKELY TO OCCUR AT MOST PLACES OVER WEST BENGAL COAST. |
| Visibility | MODERATE BECOMING POOR IN RAIN/THUNDER SHOWER. |
| Sea Condition | SLIGHT TO MODERATE. |
| Port Signal | NIL. |
| Storm Surge/Tidal Warning | NIL. |
| Time of Issue | 14:05 IST of 2026-07-13 |