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.

 
South West Bay
Wind Mainly Southwesterly, 20 - 25 kts
Weather Isolated rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Moderate to Rough

South East Bay
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

West Central Bay
Wind Mainly Southwesterly, 15 - 20 kts
Weather Scattered rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Slight to Moderate

East Central Bay
Wind Mainly Southwesterly, 10 - 15 kts
Weather Scattered rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Smooth to Slight

North West Bay
Wind Mainly Southerly, 10 - 15 kts
Weather Isolated rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Smooth to Slight

North East Bay
Wind Mainly Southwesterly, 10 - 15 kts
Weather Isolated rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Smooth to Slight

South Andaman Sea
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

North Andaman Sea
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 Surface Chart

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 Issue21:30 IST of 2026-05-30