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 2026-09-18 to 09 UTC of 2026-09-19

 
TTT Warning No Storm Warning

 
Synoptic Situation Southwest Monsoon Moderate to Strong over South Andaman Sea; Moderate over South Bay of Bengal and North Andaman Sea; Weak to Moderate over Northeast , East central Bay of Bengal; Weak over Northwest and West central Bay of Bengal.

 
South West Bay
Wind Mainly Westerly, 15 - 20 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

South East Bay
Wind Mainly Westerly, 15 - 20 kts gusting 25 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 Rough

West Central Bay
Wind Variable, 5 - 10 kts
Weather Scattered rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Smooth

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

North West Bay
Wind East to Southeasterly, 5 - 10 kts
Weather Isolated rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Smooth

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

South Andaman Sea
Wind South to Southwesterly, 20 - 25 kts gusting 30 kts
Weather Widespread rain or thundershowers with isolated heavy rain
Visibility Moderate becoming Poor in heavy rain/thundershower
Sea Condition Moderate to Rough occasionally Very Rough

North Andaman Sea
Wind East to Southeasterly, 15 - 20 kts gusting 25 kts
Weather Widespread rain or thundershowers with isolated heavy rain
Visibility Moderate becoming Poor in heavy rain/thundershower
Sea Condition Slight to Moderate occasionally Rough

Part 4 Surface Chart

Part 5 NIL

Part 6 01900 99942 806 32596 50000 10278, 807 21595 70000 10274, 811 21594 40000 10272, 895 21595 50000 10274, 901 32596 30000 10274, 976 21495 80000 10274, 99943 049 31595 63203 10270, 053 21595 60000 10278, 105 22596 82901 10268, 150 31596 70000 10274, 185 32596 43202 10278, 245 32596 20000 10298, 279 31596 72703 10274, 346 31596 80000 10288,

Time of Issue06:30 IST of 2026-09-19