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BoM Eighteen Mile Marine Weather Forecast

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Other NSW Coastal Waters Forecasts

Forecast for Friday, 25 September
Weather: Mostly sunny. The chance of a thunderstorm inshore in the afternoon and evening.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Moruya Heads in the late evening.
Seas: 1 to 2 metres.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon.
Forecast for Saturday, 26 September
Weather: Mostly sunny morning. 60% chance of showers in the late afternoon and evening.
Winds: North to northwesterly 15 to 20 knots shifting southerly 15 to 25 knots in the morning. Winds reaching up to 30 knots in the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1.5 to 2.5 metres during the afternoon.
Swell: Northeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Sunday, 27 September
Weather: Cloudy. 95% chance of showers.
Winds: Southerly 20 to 25 knots turning southeasterly 15 to 20 knots during the morning.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Southerly below 1 metre, increasing to 2 to 3 metres during the afternoon or evening. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.

Forecast for Friday, 25 September
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres north of Yamba.
Forecast for Saturday, 26 September
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots turning northerly in the late morning and afternoon. Winds reaching up to 20 knots south of Cape Byron during the afternoon and evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres south of Cape Byron by early evening.
Swell: East to northeasterly around 1 metre, increasing to 1 to 1.5 metres north of Yamba.
Forecast for Sunday, 27 September
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots tending northwesterly during the morning then shifting south to southeasterly during the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres south of Cape Byron.
Swell: Northeasterly around 1 metre.

Forecast for Friday, 25 September
Weather: Mostly sunny.
Winds: North to northeasterly 15 to 20 knots, reaching up to 25 knots inshore in the late afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Coffs Harbour during the afternoon.
Swell: East to northeasterly around 1 metre.
Forecast for Saturday, 26 September
Weather: Mostly sunny.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots inshore in the early afternoon.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres around midday.
Swell: Northeasterly around 1 metre.
Forecast for Sunday, 27 September
Weather: Partly cloudy. 70% chance of showers.
Winds: North to northwesterly 15 to 25 knots shifting south to southeasterly 15 to 20 knots during the day.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres south of Coffs Harbour.
Swell: North to northeasterly around 1 metre.

Forecast for Friday, 25 September
Weather: Partly cloudy. The chance of a thunderstorm inshore in the afternoon and evening.
Winds: Northwest to northeasterly about 10 knots, reaching up to 20 knots offshore in the late morning and early afternoon.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Saturday, 26 September
Weather: Partly cloudy. 90% chance of showers.
Winds: North to northwesterly 10 to 15 knots shifting south to southwesterly 15 to 25 knots early in the morning. Winds reaching up to 30 knots during the afternoon and evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 2 to 2.5 metres during the afternoon.
Swell: Northeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre during the afternoon. Southerly around 1 metre.
Forecast for Sunday, 27 September
Weather: Cloudy. 80% chance of showers.
Winds: South to southeasterly 15 to 25 knots decreasing to about 10 knots during the evening.
Seas: 1 to 2 metres, decreasing to 1 metre during the afternoon or evening.
Swell: Southerly around 1 metre, increasing to 2 to 3 metres during the afternoon. Northeasterly around 1 metre.

Forecast for Friday, 25 September
Weather: Mostly sunny. The chance of a thunderstorm inshore in the afternoon and evening.
Winds: North to northeasterly 20 to 25 knots, reaching up to 30 knots offshore south of Norah Head in the evening.
Seas: 1.5 to 2.5 metres.
Swell: Southerly around 1 metre.
Forecast for Saturday, 26 September
Weather: Sunny.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots offshore north of Norah Head during the morning and early afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Southerly below 1 metre.
Forecast for Sunday, 27 September
Weather: Cloudy. 90% chance of showers.
Winds: Southerly 20 to 30 knots decreasing to 15 to 20 knots during the morning then turning southeasterly 15 to 25 knots during the afternoon.
Seas: 1 to 2 metres.
Swell: Southerly around 1 metre, increasing to 1.5 metres during the evening. Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning.

Forecast for Friday, 25 September
Weather: Mostly sunny. The chance of a thunderstorm inshore in the afternoon and evening.
Winds: Northerly 15 to 25 knots.
Seas: 1.5 to 2 metres.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Port Kembla by early evening.
Forecast for Saturday, 26 September
Weather: Mostly sunny.
Winds: Northerly 15 to 20 knots shifting southerly 15 to 25 knots in the late morning and early afternoon. Winds reaching up to 30 knots inshore in the late evening.
Seas: 1 to 2 metres, decreasing to 1 metre during the morning, then increasing to 1 to 2 metres by early evening.
Swell: Northeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Sunday, 27 September
Weather: Cloudy. 95% chance of showers.
Winds: Southerly 20 to 25 knots turning southeasterly 15 to 20 knots during the morning.
Seas: 1 to 2 metres.
Swell: Southerly around 1 metre, increasing to 1.5 to 2.5 metres during the evening. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.

Forecast for Friday, 25 September
Weather: Partly cloudy.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 2 metres.
Swell: Southerly around 1 metre.
Forecast for Saturday, 26 September
Weather: Sunny.
Winds: Northerly 20 to 25 knots, reaching up to 30 knots offshore south of Crowdy Head in the late morning and early afternoon.
Seas: 1.5 to 2 metres.
Swell: Southerly below 1 metre.
Forecast for Sunday, 27 September
Weather: Cloudy. 80% chance of showers.
Winds: North to northwesterly 15 to 25 knots shifting south to southeasterly 15 to 20 knots during the day.
Seas: 1.5 to 2 metres.
Swell: North to northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.

Forecast for Friday, 25 September
Weather: Mostly sunny. The chance of a thunderstorm inshore in the afternoon and evening.
Winds: North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore during the day.
Seas: 1.5 to 2 metres.
Swell: Southerly below 1 metre.
Forecast for Saturday, 26 September
Weather: Sunny.
Winds: Northerly 15 to 25 knots shifting southerly 20 to 30 knots in the evening.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres later in the evening.
Swell: Northeasterly below 1 metre.
Forecast for Sunday, 27 September
Weather: Cloudy. 95% chance of showers.
Winds: Southerly 15 to 25 knots turning southeasterly 15 to 20 knots during the day.
Seas: 1 to 2 metres.
Swell: Southerly below 1 metre, increasing to 1 to 2 metres during the afternoon or evening. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
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Eighteen Mile
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