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 August 25, 2026, at 00:00 UTC.
Port Forecast Alert Threshold
■ SANDHEADS, India
Winds, gusts, and waves all trend gradually downward through August 25, with every parameter remaining comfortably below caution thresholds.
Wind: Winds ease from 18 kts at 05:00–06:00 LT to a low of 14 kts sustained from 17:00–22:00 LT, ticking up slightly to 15 kts by 23:00 LT.
Gust: Gusts peak at 27 kts at 10:00–11:00 LT before steadily subsiding to a low of 20 kts between 19:00–21:00 LT, then edging back up to 22 kts by 23:00 LT.
Wave: Significant wave height starts at 2.0 m at 05:00–06:00 LT and gradually declines to 1.7 m by 19:00–23:00 LT.
■ TRINCOMALEE, Sri Lanka
Conditions stay calm and consistent throughout, with winds, gusts, and waves all remaining well below caution levels for the entire day.
Wind: Winds ease from 19 kts at 05:00–08:00 LT to a low of 15 kts around 16:00–17:00 LT, then build back up to 18–19 kts by 22:00–23:00 LT.
Gust: Gusts drop from a high of 29 kts at 05:00–06:00 LT to a low of 22 kts at 17:00 LT, before climbing again to 27–28 kts by 22:00–23:00 LT.
Wave: Significant wave height holds steady between 0.3–0.4 m throughout the day, with negligible variation.
■ COLOMBO, Sri Lanka
Winds, gusts, and waves stay light and stable throughout the day, with a slight uptick in the evening but no thresholds approached.
Wind: Winds hold at 14 kts for much of the day, ticking up to a peak of 16 kts from 20:00–23:00 LT.
Gust: Gusts settle around 21 kts from 10:00–17:00 LT before building to a peak of 24 kts at 20:00–21:00 LT, then easing slightly to 21 kts by 23:00 LT.
Wave: Significant wave height dips to 2.4 m between 10:00–18:00 LT, rising back to 2.5 m by 19:00–23:00 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.
