About This Outlook
As part of our ongoing commitment to protect mariners' lives and help in times of crisis, Weathernews will be providing daily snapshots of critical port weather trends in the Indian Ocean.
Explore this week’s operational weather risks in our [Weekly Outlook].
Reports are updated four times daily and include 48-hour, 5-day and 7-day outlooks for your use.
Daily Port Weather Highlights
This snapshot is based on the 48-hour forecast issued September 8 2026, at 00:00 UTC.
Port Forecast Alert Threshold
■ HAMBANTOTA, Sri Lanka
Wind, gust, and sea conditions build steadily across September 8, briefly exceeding Yellow Caution thresholds around their peak at 14:00 LT. Conditions ease progressively after 15:00 LT, returning to moderate levels by 23:00 LT.
Wind: Sustained winds start at 11 kts at 05:00 LT and climb to a peak of 21 kts at 14:00 LT, briefly exceeding the 20 kts Yellow Caution threshold from 12:00-15:00 LT before easing to 11 kts by 23:00 LT.
Gust: Gusts increase from 16 kts at 05:00 LT to reach 31–32 kts between 13:00–15:00 LT, exceeding the 30 kts Yellow Caution threshold before diminishing to 16 kts by 23:00 LT.
Wave: Significant wave height builds from 1.6 m at 05:00 LT to peak at 2.6 m at 14:00 LT, briefly surpassing the 2.5 m Yellow Caution threshold from 13:00-14:00 LT before subsiding to 1.9 m by 20:00–23:00 LT.
■ CAPE CUVIER, Australia
Elevated Significant wave exceed the Yellow Caution threshold at 08:00–11:00 LT before tapering off across September 8. Meanwhile, winds and gusts ease toward 20:00 LT before strengthening sharply to surpass Yellow Caution levels at 23:00 LT.
Wind: Sustained winds start at 19 kts at 08:00–09:00 LT and diminish to 10 kts by 20:00 LT before climbing rapidly to 23 kts at 23:00 LT, exceeding the 20 kts Yellow Caution threshold.
Gust: Gusts decrease from 29 kts at 08:00 LT to a minimum of 16 kts at 20:00 LT before surging to a peak of 34 kts at 23:00 LT, surpassing the 30 kts Yellow Caution threshold.
Wave: Significant wave height starts at a peak of 2.6 m at 08:00–09:00 LT, exceeding the 2.5 m Yellow Caution threshold until 11:00 LT before subsiding to 2.2 m from 16:00–23:00 LT.
■ DUQM, Oman
Moderate winds and gusts strengthen across September 8, peaking at 19:00 LT and exceeding Yellow Caution thresholds between 16:00–23:00 LT. Significant wave remain calm and steady throughout the period.
Wind: Sustained winds dip to 17 kts at 07:00–08:00 LT before climbing to a peak of 22 kts at 19:00 LT, exceeding the 20 kts Yellow Caution threshold between 16:00–23:00 LT.
Gust: Gusts decrease to 25 kts at 07:00 LT, then build steadily to reach a peak of 33 kts at 19:00 LT, surpassing the 30 kts Yellow Caution threshold from 16:00–23:00 LT.
Wave: Significant wave height remains low throughout the day, holding steady between 1.1–1.2 m from 04:00–23:00 LT.
View Detailed Forecasts on SeaNavigator Free
Disclaimer: This outlook is provided for informational purposes only; our actionable, ship-specific advisories are exclusively available through our paid maritime solutions. Weathernews Inc. assumes no liability for navigational decisions, losses, or damages resulting from reliance on this general overview.
Major Ports with Published Port Forecasts
Arabian Sea Coast Region
- India: Mumbai Port, Nhava Sheva (Jawaharlal Nehru Port)
- Pakistan: Karachi Port, Gwadar, Muhammad Bin Qasim
- Qatar: Doha Port, Ras Laffan Port
- Oman: Salalah, Duqm
- Yemen: Aden
In addition, approximately 150 locations are covered, including ports in the Persian Gulf and the Red Sea.
