India Meteorological Department/ भारत मौसम विज्ञान विभाग
ACWC KOLKATA / ए .सी .डब्लू .सी कोलकाता
Sea Area Bulletin
Bulletin Valid for 12 hrs from 21 UTC of 2025-11-29 to 09 UTC of 2025-11-30
| TTT Warning | TTT CYCLONE “DITWAH [PRONUNCIATION: DITWAH]” WARNING OVER SOUTHWEST BAY OF BENGAL ADJOINING NORTH SRI LANKA & TAMIL NADU COASTS ON 291200 UTC |
| Synoptic Situation | THE CYCLONIC STORM DITWAH [PRONUNCIATION: DITWAH] OVER SOUTHWEST BAY OF BENGAL AND ADJOINING NORTH SRI LANKA MOVED NEARLY NORTHWARDS WITH THE SPEED OF 10 KMPH DURING PAST 6 HOURS AND LAY CENTERED AT 1730 HRS IST OF TODAY, THE 29TH NOVEMBER 2025 OVER SOUTHWEST BAY OF BENGAL AND ADJOINING NORTH SRI LANKA & TAMIL NADU COASTS, NEAR LATITUDE 10.4°N AND LONGITUDE 80.6°E, ABOUT 110 KM NORTHEAST OF JAFFNA (SRI LANKA), 80 KM EAST OF VEDARANNIYAM (INDIA), 100 KM SOUTHEAST OF KARAIKAL (INDIA), 190 KM SOUTHSOUTHEAST OF PUDUCHERRY (INDIA) AND 290 KM SOUTH OF CHENNAI (INDIA).IT IS VERY LIKELY TO MOVE NORTH-NORTHWESTWARDS AND REACH OVER SOUTHWEST BAY OF BENGAL NEAR NORTH TAMIL NADU, PUDUCHERRY AND ADJOINING SOUTH ANDHRA PRADESH COASTS BY EARLY MORNING OF 30TH NOVEMBER.WHILE MOVING NORTH-NORTHWESTWARDS THE CYCLONIC STORM WILL BE CENTERED OVER SOUTHWEST BAY OF BENGAL WITHIN A MINIMUM DISTANCE OF 60 KM, 50 KM AND 25KM FROM THE TAMIL NĀDU-PUDUCHERRY COASTLINE BY MIDNIGHT OF TODAY, THE 29TH NOVEMBER, E |
| Wind | CYCLONIC 35 TO 40 KNOTS GUSTING TO 45 KNOTS WITHIN 100 NM AROUND STORM CENTRE ELSEWHERE 25 TO 30 KNOTS GUSTING TO 35 KNOTS |
| Weather | WIDESPREAD RAIN OR THUNDERSHOWERS WITH SCATTERED HEAVY TO VERY HEAVY RAIN WITH ISOLATED EXTREMELY HEAVY RAIN |
| Visibility | POOR TO VERY POOR IN HEAVY TO VERY HEAVY RAIN TO EXTREMELY HEAVY RAIN OR THUNDERSHOWERS |
| Sea Condition | HIGH AROUND 100 NM OF STORM CENTRE ELSEWHERE ROUGH TO VERY ROUGH |
| Wind | EAST TO SOUTHEASTERLY 15 TO 20 KNOTS GUSTING TO 25 KNOTS |
| Weather | FAIRLY WIDESPREAD RAIN OR THUNDERSHOWERS |
| Visibility | MODERATE BECOMING POOR IN RAIN OR THUNDERSHOWERS |
| Sea Condition | SLIGHT TO MODERATE |
| Wind | WEST CENTRAL BAY ADJOINING WITH SOUTHWEST BAY( SOUTH OF 15°N AND WEST OF 83°E):NORTHEAST TO EASTERLY 30 TO 35 KNOTS GUSTING TO 40 KNOTS REST:NORTHEAST TO EASTERLY 20 TO 25 KNOTS GUSTING TO 30 KNOTS |
| Weather | WEST CENTRAL BAY ADJOINING WITH SOUTHWEST BAY( SOUTH OF 15°N AND WEST OF 83°E):FAIRLY WIDESPREAD RAIN OR THUNDERSHOWERS WITH ISOLATED HEAVY RAIN REST:SCATTERED RAIN OR THUNDERSHOWER |
| Visibility | WEST CENTRAL BAY ADJOINING WITH SOUTHWEST BAY( SOUTH OF 15°N AND WEST OF 83°E):MODERATE BECOMING VERY POOR IN RAIN OR THUNDERSHOWER REST:GOOD BECOMING MODERATE IN RAIN OR THUNDERSHOWER |
| Sea Condition | WEST CENTRAL BAY ADJOINING WITH SOUTHWEST BAY( SOUTH OF 15°N AND WEST OF 83°E):VERY ROUGH TO HIGH REST:MODERATE TO ROUGH |
| Wind | NORTHEAST TO EASTERLY 10 TO 15 KNOTS |
| Weather | FAIR |
| Visibility | GOOD |
| Sea Condition | SMOOTH TO SLIGHT |
| Wind | NORTH TO NORTHEASTERLY 05 TO 10 KNOTS |
| Weather | FAIR |
| Visibility | GOOD |
| Sea Condition | SMOOTH |
| Wind | NORTH TO NORTHEASTERLY 05 TO 10 KNOTS |
| Weather | FAIR |
| Visibility | GOOD |
| Sea Condition | SMOOTH |
| Wind | MAINLY NORTHEASTERLY 10 TO 15 KNOT |
| Weather | ISOLATED RAIN |
| Visibility | GOOD BECOMING MODERATE IN RAIN |
| Sea Condition | SMOOTH TO SLIGHT |
| Wind | MAINLY NORTHEASTERLY 10 TO 15 KNOT |
| Weather | ISOLATED RAIN |
| Visibility | GOOD BECOMING MODERATE IN RAIN |
| Sea Condition | SMOOTH TO SLIGHT |
| Part 4 |  |
| Part 5 | NIL |
| Part 6 | AAXX 02912 99942 807 31995 00000 10238 40120 811 31895 10000 10250 40122 901 32996 00000 10246 40115 806 32996 03201 10242 40121 903 32996 22703 10256 40115 895 32996 30000 10244 40124 976 31995 20000 10246 40124= 99943 049 31596 51104 10248 40122 053 31995 21106 10260 40123 105 32597 50706 10260 40117 150 31496 60505 10262 40124 185 32597 70709 10276 40095 245 21597 80505 10250 40098 346 21495 83606 10244 40034 279 21495 80506 10246 40089= |
| Time of Issue | 22:31 IST of 2025-11-29 |