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 2026-05-30 to 09 UTC of 2026-05-31
| TTT Warning | No Storm Warning. |
| Synoptic Situation | Southwest monsoon has further advanced into some more parts of southwest, southeast, westcentral and eastcentral Bay of Bengal, and some parts of northeast Bay of Bengal today, the 30th May 2026. The Northern Limit of Monsoon passes through 10°N/60°E, 9°/65°E, 8.5°N/70°E, 8°N/75°E, 7.8°N/78°E, 8°N/80°E, 10°N/80°E, 13°N/87°E, 16°N/90°E, 19°N/93°E and 22°N/97°E as on 30th May 2026. Conditions are favourable for further advance of southwest monsoon into some more parts of southwest, westcentral, eastcentral & northeast Bay of Bengal, and remaining parts of southeast Bay of Bengal during next 4-5 days. Southwest monsoon moderate to strong over Southwest Bay of Bengal;moderate over Southeast Bay of Bengal,Westcentral Bay of Bengal and South Andaman sea;weak to moderate over North Andaman sea,Eastcentral Bay of Bengal and Northeast Bay of Bengal. |
| Wind | Mainly Southwesterly, 20 - 25 kts |
| Weather | Isolated rain or thundershowers |
| Visibility | Good becoming Moderate in rain/thundershower |
| Sea Condition | Moderate to Rough |
| Wind | Mainly Southwesterly, 15 - 20 kts gusting 30 kts |
| Weather | Scattered rain or thundershowers with isolated heavy rain |
| Visibility | Moderate becoming Poor in heavy rain/thundershower |
| Sea Condition | Slight to Moderate occationally very rough |
| Wind | Mainly Southwesterly, 15 - 20 kts |
| Weather | Scattered rain or thundershowers |
| Visibility | Good becoming Moderate in rain/thundershower |
| Sea Condition | Slight to Moderate |
| Wind | Mainly Southwesterly, 10 - 15 kts |
| Weather | Scattered rain or thundershowers |
| Visibility | Good becoming Moderate in rain/thundershower |
| Sea Condition | Smooth to Slight |
| Wind | Mainly Southerly, 10 - 15 kts |
| Weather | Isolated rain or thundershowers |
| Visibility | Good becoming Moderate in rain/thundershower |
| Sea Condition | Smooth to Slight |
| Wind | Mainly Southwesterly, 10 - 15 kts |
| Weather | Isolated rain or thundershowers |
| Visibility | Good becoming Moderate in rain/thundershower |
| Sea Condition | Smooth to Slight |
| Wind | Southwest to Westerly, 15 - 20 kts gusting 30kts |
| Weather | Fairly widespread rain or thundershowers |
| Visibility | Moderate becoming Poor in rain/thunder shower |
| Sea Condition | Slight to Moderate occationally very rough |
| Wind | Mainly Southwesterly, 10 - 15 kts gusting 25 kts |
| Weather | Fairly widespread rain or thundershowers |
| Visibility | Moderate becoming Poor in rain/thunder shower |
| Sea Condition | Smooth to Slight occationally rough |
| Part 4 | ![]() |
| Part 5 | NIL |
| Part 6 | AAXX,03012,,, 99942,,,, 807,31595,70000,10276,40045 811,21596,70000,10258,40046 901,21596,71602,10272,40021 806,21496,81402,10254,40043 895,21496,60000,10264,40026 976,21595,40501,10274,40049= 99943,,,, 049,31996,31103,10318,40034 053,32996,31806,10318,40041 105,32597,42309,10320,40025 150,31596,62306,10322,40028 185,32597,30000,10336,40024 245,32597,42302,10338,40043 346,32597,71604,10320,40054 279,32597,50000,10362,40050= |
| Time of Issue | 21:30 IST of 2026-05-30 |