海上情况 meaning in English

marine condition

As the new launches are highly manoeuvrable with a maximum speed of 27 knots and can be steered dexterously , the surveillance ability at sea is greatly enhanced
新巡逻警轮的最高时速达二十七海里，操作灵活，大大增强监察海上情况的能力。
On the 4th , however , the sea became more calm , and the storm lessened its violence ; the wind veered southwards , and was once more favourable
风浪终于平息了。 11月4号这一天海上情况有了好转。海风变得温顺了，路路通的脸也象天气一样开始晴朗了。