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 2026-05-23 to 09 UTC of 2026-05-24

 
TTT Warning No Storm Warning.

 
Synoptic Situation Southwest monsoon has further advanced into some parts of southwest, southeast and eastcentral Bay of Bengal and most parts of Andaman Sea today, the 23rd May 2026. The Northern Limit of Monsoon passes through 7°N/60°E, 7°N/70°E, 7°N/75°E, 8°N/80°E, 10°N/85°E, 13.5°N/90°E, and 17°N/95°E as on 23rd May 2026. Conditions are favourable for further advance of southwest monsoon into some more parts of southwest & southeast Arabian Sea, Comorin Area, southwest, southeast & eastcentral Bay of Bengal and remaining parts of Andaman Sea during next 3-4 days. The upper air cyclonic circulation over Southeast adjoining central Bay of Bengal between 3.1 & 5.8 km above mean sea level tilting southwestwards with height persists. Southwest monsoon moderate to strong over some parts of Southwest Bay of Bengal; moderate over Andaman Sea and some parts of Southeast Bay of Bengal.

 
South West Bay
Wind Mainly Southwesterly, 20 - 25 kts
Weather Scattered 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 Fairly widespread rain or thundershowers with isolated heavy rain
Visibility Moderate becoming Poor in heavy rain/thundershower
Sea Condition Slight to Moderate occasionally Very Rough

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

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

South 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 Slight to Moderate occasionally 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 Slight to Moderate occasionally Rough

Part 4 Surface Chart

Part 5 NIL

Part 6 AAXX,02303,,, 99942,,,, 807,31596,62304,10322,40046 811,32596,42004,10320,4//// 901,32596,62505,10322,40045 806,32596,42002,10324,40052 895,31595,52302,10324,40054 976,31595,32003,10322,40060= 99943,,,, 049,21996,11601,10294,40053 053,31595,42004,10318,40051=

Time of Issue21:53 IST of 2026-05-23