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 2026-07-31 to 09 UTC of 2026-08-01
| Synoptic Situation | SOUTHWEST MONSOON MODERATE OVER NORTHWEST BAY OF BENGAL. SOUTHWEST MONSOON WEAK TO MODERATE OVER ANDAMAN SEA. |
| Wind | MAINLY SOUTHWESTERLY 10 TO 15 KNOTS GUSTING TO 25 KNOTS OVER NORTH ANDAMAN SEA. MAINLY SOUTHWESTERLY 10 TO 15 KNOTS OVER SOUTH ANDAMAN SEA. AAA |
| 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/THUNDERSHOWER OVER SOUTH ANDAMAN SEA. |
| Sea Condition | SMOOTH TO SLIGHT OCASSIONALLY ROUGH OVER NORTH ANDAMAN SEA. SMOOTH TO SLIGHT OVER SOUTH ANDAMAN SEA. |
| Port Signal | NIL AT ALL PORTS |
| Storm Surge/Tidal Warning | SWELL WAVES IN THE RANGE OF 18.0 - 20.0 SEC PERIOD WITH 1.6 - 1.8 M HEIGHT ARE FORECASTED UP TO 23:30 HOURS ON 01-08-2026. IT ADVISED THAT THERE IS A POSSIBILITY OF SURGING OF WAVES, BOATS TO PLY WITH UTMOST VIGILANCE, RECREATION WITH DUE CARE. |
| Wind | MAINLY SOUTHWESTERLY; 10 TO 15 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 | SMOOTH TO SLIGHT. |
| Port Signal | NIL AT ALL PORTS |
| Storm Surge/Tidal Warning | SWELL WAVES IN THE RANGE OF 13.0 - 18.0 SEC PERIOD WITH 0.9 - 1.0 M HEIGHT ARE FORECASTED DURING 08:30 HOURS ON 01-08-2026 TO 23:30 HOURS ON 01-08-2026. IT ADVISED THAT THERE IS A POSSIBILITY OF SURGING OF WAVES, BOATS TO PLY WITH UTMOST VIGILANCE, RECREATION WITH DUE CARE. |
| Time of Issue | 21:10 IST of 2026-07-31 |