Indonesian Weather Bulletin for Shipping
( Metarea XI)

BMKG Jakarta, Saturday 07 March 2026 At 0000 UTC

Part I : Warning

TROPICAL LOW 95W NEAR 7.4°S 140.4°E 1005 HPA MAXIMUM WINDS 20 KT MOVING TO W TROPICAL LOW 93S NEAR 16.0°S 112.4°E 996 HPA MAXIMUM WINDS 35 KT MOVING TO W

Part II : General Synopsis

Friday 06 March 2026 at 12 UTC NORTHWESTERLY TO NORTHEASTERLY GENTLE TO FRESH FLOW IN THE NORTHERN PART OF INDONESIA SOUTHWESTERLY TO NORTHWESTERLY MODERATE TO STRONG FLOW IN THE SOUTHERN PART OF INDONESIA

Part III : Area Forecasts

Valid until Sunday 08 March 2026 at 00 UTC

MALACCA STRAIT

Northwesterly
10-11 kt
Slight Sea

INDIAN OCEAN WESTERN OF ACEH

Northwesterly
4-12 kt
Moderate Sea

INDIAN OCEAN WESTERN OF LAMPUNG

Westerly
9-18 kt
Moderate Sea

INDIAN OCEAN SOUTHERN OF JAVA

Westerly
12-20 kt
Moderate Sea

INDIAN OCEAN SOUTHERN OF BALI

Northwesterly
6-25 kt
Rough Sea

NORTH NATUNA SEA

Northeasterly
11-18 kt
Moderate Sea

KARIMATA STRAIT

Northerly
9-14 kt
Slight Sea

JAVA SEA

Westerly
13-26 kt
Moderate Sea

MAKASSAR STRAIT

Northwesterly
10-23 kt
Moderate Sea

BALI SEA

Westerly
15-23 kt
Moderate Sea

SUMBAWA SEA

Westerly
16-25 kt
Moderate Sea

FLORES SEA

Westerly
3-23 kt
Moderate Sea

BANDA SEA

Northwesterly
2-21 kt
Moderate Sea

CERAM SEA

Northwesterly
3-16 kt
Moderate Sea

SULAWESI SEA

Northerly
4-19 kt
Moderate Sea

MOLLUCA SEA

Northerly
1-18 kt
Moderate Sea

WESTERN PART OF PACIFIC OCEAN

Northerly
5-12 kt
Moderate Sea

ARAFURA SEA

Northwesterly
11-26 kt
Rough Sea

⚠️ Important Notes

Please be aware, wind gusts can be a further 40 percent stronger than the averages given here, and maximum waves may be up to twice the significant height

Reference Scales

Beaufort Wind Scale

ForceDescriptionSpeed (knots)
0Calm< 1
1Light air1-3
2Light breeze4-6
3Gentle breeze7-10
4Moderate breeze11-16
5Fresh breeze17-21
6Strong breeze22-27
7Near gale28-33
8Gale34-40
9Strong gale41-47

Douglas Sea Scale

GradeDescriptionHeight (m)
0Calm (Glassy)0
1Calm (Rippled)0-0.1
2Smooth0.1-0.5
3Slight0.5-1.25
4Moderate1.25-2.5
5Rough2.5-4
6Very rough4-6
7High6-9
8Very high9-14
9Phenomenal>14
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