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 2026-07-19 to 09 UTC of 2026-07-20
| Synoptic Situation | THE MONSOON TROUGH AT MEAN SEA LEVEL NOW PASSES THROUGH FEROZPUR, PATIALA, MUZAFFARNAGAR, SHAHJAHANPUR, BASTI, PATNA, BANKURA AND THENCE SOUTHEASTWARDS TOWARDS NORTHEAST BAY OF BENGAL. THE TROUGH FROM NORTH BIHAR TO NORTHWEST BAY OF BENGAL ACROSS JHARKHAND AND GANGETIC WEST BENGAL BETWEEN 1.5 & 3.1 KM ABOVE MEAN SEA LEVEL PERSISTS. SOUTHWEST MONSOON MODERATE OVER NORTHWEST BAY OF BENGAL. SOUTHWEST MONSOON WEAK TO MODERATE OVER ANDAMAN SEA. |
| Wind | MAINLY SOUTHWESTERLY; 10 TO 15 KNOTS OVER NORTH ANDAMAN SEA. SOUTHWEST TO WESTERLY; 10 TO 15 KNOTS OVER SOUTH ANDAMAN SEA. |
| Weather | RAIN OR THUNDERSHOWER LIKELY TO OCCUR AT ONE OR TWO PLACES OVER ANDAMAN & NICOBAR COASTS. |
| Visibility | GOOD BECOMING MODERATE IN RAIN/THUNDERSHOWER OVER ANDAMAN SEA. |
| Sea Condition | SMOOTH TO SLIGHT OVER ANDAMAN SEA. |
| Port Signal | NIL AT ALL PORTS |
| Storm Surge/Tidal Warning | SWELL WAVES IN THE RANGE OF 18.0 - 21.0 SEC PERIOD WITH 1.9 - 2.2 M HEIGHT ARE FORECASTED DURING 02:30 HOURS ON 20-07-2026 TO 11:30 HOURS ON 21-07-2026. IT ADVISED THAT SURGING OF WAVES NEARSHORE POSSIBLE, SMALL VESSELS NOT TO PLY, NO ACTIVITIES AT BEACH/ NEARSHORE WATERS AND NEARSHORE EROSION POSSIBLE. NO EXIT/ENTRY OF SMALL BOATS AT COASTLINE. |
| Wind | SOUTH TO SOUTHWESTERLY; 15 TO 20 KNOTS. |
| Weather | RAIN OR THUNDERSHOWER VERY LIKELY TO OCCUR AT MANY PLACES OVER WEST BENGAL COAST. |
| Visibility | GOOD BECOMING MODERATE IN RAIN/THUNDERSHOWER. |
| Sea Condition | SLIGHT TO MODERATE. |
| Port Signal | NIL AT ALL PORTS |
| Storm Surge/Tidal Warning | SWELL WAVES IN THE RANGE OF 14.0 - 21.0 SEC PERIOD WITH 0.7 - 1.2 M HEIGHT ARE FORECASTED DURING 02:30 HOURS ON 21-07-2026 TO 23:30 HOURS ON 21-07-2026. IT ADVISED THAT THERE IS A POSSIBILITY OF SURGING OF WAVES, |
| Time of Issue | 21:59 IST of 2026-07-19 |