BADAN METEOROLOGI,
KLIMATOLOGI DAN GEOFISIKA
Indonesian Weather Bulletin for Shipping
( Metarea XI)
BMKG Jakarta, Thursday 02 October 2025 At 1800 UTC
Part I : Warning
TROPICAL CYCLONE MATMO AT 15.7°N 125.0°E 996HPA MAXIMUM WIND 40 KNOT MOVE TO WNW
Part II : General Synopsis
Thursday 02 October 2025 at 00 UTC SOUTHEASTERLY TO SOUTHWESTERLY GENTLE TO FRESH FLOW IN THE NORTHERN PART OF INDONESIA EASTERLY TO SOUTHEASTERLY GENTLE TO FRESH FLOW IN THE SOUTHERN PART OF INDONESIA
Part III : Area Forecasts
Valid until Friday 03 October 2025 at 18 UTC
MALACCA STRAIT
Northerly
1-6 kt
Slight Sea
INDIAN OCEAN WESTERN OF ACEH
Northerly
1-9 kt
Rough Sea
INDIAN OCEAN WESTERN OF LAMPUNG
Northeasterly
5-11 kt
Rough Sea
INDIAN OCEAN SOUTHERN OF JAVA
Easterly
7-14 kt
Rough Sea
INDIAN OCEAN SOUTHERN OF BALI
Southeasterly
6-10 kt
Rough Sea
NORTH NATUNA SEA
Northwesterly
3-12 kt
Moderate Sea
KARIMATA STRAIT
Westerly
0-11 kt
Smooth Sea
JAVA SEA
Easterly
3-13 kt
Slight Sea
MAKASSAR STRAIT
Southeasterly
2-15 kt
Slight Sea
BALI SEA
Northerly
2-20 kt
Moderate Sea
SUMBAWA SEA
Easterly
2-18 kt
Moderate Sea
FLORES SEA
Easterly
2-12 kt
Slight Sea
BANDA SEA
Southeasterly
2-12 kt
Slight Sea
CERAM SEA
Easterly
2-10 kt
Slight Sea
SULAWESI SEA
Easterly
4-12 kt
Slight Sea
MOLLUCA SEA
Easterly
1-11 kt
Slight Sea
WESTERN PART OF PACIFIC OCEAN
Easterly
5-10 kt
Slight Sea
ARAFURA SEA
Southeasterly
4-12 kt
Slight 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
| Force | Description | Speed (knots) |
|---|---|---|
| 0 | Calm | < 1 |
| 1 | Light air | 1-3 |
| 2 | Light breeze | 4-6 |
| 3 | Gentle breeze | 7-10 |
| 4 | Moderate breeze | 11-16 |
| 5 | Fresh breeze | 17-21 |
| 6 | Strong breeze | 22-27 |
| 7 | Near gale | 28-33 |
| 8 | Gale | 34-40 |
| 9 | Strong gale | 41-47 |
Douglas Sea Scale
| Grade | Description | Height (m) |
|---|---|---|
| 0 | Calm (Glassy) | 0 |
| 1 | Calm (Rippled) | 0-0.1 |
| 2 | Smooth | 0.1-0.5 |
| 3 | Slight | 0.5-1.25 |
| 4 | Moderate | 1.25-2.5 |
| 5 | Rough | 2.5-4 |
| 6 | Very rough | 4-6 |
| 7 | High | 6-9 |
| 8 | Very high | 9-14 |
| 9 | Phenomenal | >14 |
KONTAK KAMI :
Jl. Angkasa I No.2 Kemayoran, Jakarta Pusat 10610, PO Box 3540 Jkt.
Call Center (021) 196
Fax (021) 4246703
cc196@bmkg.go.id
TAUTAN :
BULETIN :
© 2024 - Badan Meteorologi, Klimatologi, dan Geofisika
Kembali Keatas