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BoM Boston Marine Weather Forecast

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Other SA Coastal Waters Forecasts

Forecast for Thursday, 10 September
Weather: Cloud clearing.
Winds: Easterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon, then increasing to 1 to 1.5 metres by early evening.
Swell: Southwesterly 3 to 4 metres.
Forecast for Friday, 11 September
Weather: Mostly sunny.
Winds: Easterly 15 to 20 knots turning northeasterly 10 to 15 knots during the day.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 12 September
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots turning northerly during the day.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres.

Forecast for Thursday, 10 September
Weather: Partly cloudy.
Winds: Easterly 15 to 25 knots.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2.5 to 3 metres. East to southeasterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Forecast for Friday, 11 September
Weather: Partly cloudy. 50% chance of showers in the morning and afternoon.
Winds: Easterly 15 to 20 knots tending northeasterly before dawn.
Seas: 1 to 2 metres.
Swell: Southwesterly 2 to 2.5 metres. East to southeasterly around 1 metre.
Forecast for Saturday, 12 September
Weather: Mostly sunny day. The chance of a thunderstorm in the evening.
Winds: North to northeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening.
Swell: Southwesterly 1.5 to 2.5 metres.

Forecast for Thursday, 10 September
Weather: Sunny.
Winds: Easterly 10 to 15 knots turning southeasterly in the late morning.
Seas: Around 1 metre.
Swell: Southeast to southwesterly below 0.5 metres.
Forecast for Friday, 11 September
Weather: Sunny.
Winds: Southeasterly 10 to 15 knots tending easterly before dawn then becoming variable about 10 knots in the morning.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Saturday, 12 September
Weather: Mostly sunny.
Winds: Northeasterly about 10 knots increasing to 10 to 15 knots during the evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.

Forecast for Thursday, 10 September
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots turning southeasterly in the early afternoon. Winds reaching up to 20 knots inshore in the late morning and again in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore.
Swell: West to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres through the Backstairs Passage.
Forecast for Friday, 11 September
Weather: Sunny.
Winds: Southeasterly 10 to 15 knots tending easterly before dawn then becoming variable about 10 knots in the middle of the day.
Seas: Around 1 metre.
Swell: West to southwesterly below 1 metre, increasing to 1 to 2 metres through the Backstairs Passage.
Forecast for Saturday, 12 September
Weather: Mostly sunny.
Winds: Northeasterly about 10 knots increasing to 10 to 15 knots during the morning.
Seas: Below 1 metre.
Swell: West to southwesterly around 1 metre.

Forecast for Thursday, 10 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the late afternoon then becoming east to southeasterly about 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 4 to 5 metres.
Forecast for Friday, 11 September
Weather: Mostly sunny.
Winds: East to southeasterly 10 to 15 knots tending east to northeasterly below 10 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 4 metres.
Forecast for Saturday, 12 September
Weather: Sunny.
Winds: Northeasterly about 10 knots tending northerly 10 to 15 knots during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.

Forecast for Thursday, 10 September
Weather: Cloud clearing.
Winds: Easterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres by early evening.
Forecast for Friday, 11 September
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds becoming variable below 10 knots in the middle of the day then becoming easterly 10 to 15 knots in the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 12 September
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots turning northerly during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Thursday, 10 September
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots west of Kangaroo Island in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 4 to 5 metres.
Forecast for Friday, 11 September
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots west of Kangaroo Island early in the morning. Winds turning northeasterly during the day.
Seas: Around 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the morning.
Forecast for Saturday, 12 September
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots turning northerly during the day.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Thursday, 10 September
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo in the late morning and again in the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: South to southwesterly 1 to 1.5 metres, increasing to 2 to 3 metres south of Cowell to Wallaroo.
Forecast for Friday, 11 September
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots, reaching up to 20 knots south of Port Neill to Port Victoria early in the morning. Winds becoming variable about 10 knots in the early afternoon.
Seas: Around 1 metre, decreasing below 0.5 metres by early evening.
Swell: South to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Forecast for Saturday, 12 September
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots turning northerly during the evening.
Seas: Below 1 metre.
Swell: South to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.

Forecast for Thursday, 10 September
Weather: Mostly sunny.
Winds: Southeasterly about 10 knots increasing to 10 to 15 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 4 to 5 metres.
Forecast for Friday, 11 September
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots decreasing to about 10 knots in the morning.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the morning.
Forecast for Saturday, 12 September
Weather: Sunny.
Winds: Northeasterly about 10 knots increasing to 10 to 15 knots during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres.

Forecast for Thursday, 10 September
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2.5 to 3 metres. Southeasterly around 1 metre.
Forecast for Friday, 11 September
Weather: Partly cloudy.
Winds: East to northeasterly 10 to 15 knots, reaching up to 20 knots south of Streaky Bay early in the morning. Winds becoming variable about 10 knots in the middle of the day.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 12 September
Weather: Mostly sunny morning. The chance of a thunderstorm in the evening.
Winds: Northeasterly 10 to 15 knots turning northerly during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.
Port Lincoln Airport
▲ N
17 kn ENE
· 14 °C
Warnings
No warnings within 100 km.
State Wide
View all SA warnings
Temperature
Boston
14 °C 10 °C 6am 15 °C 1pm
↑ Warming
Now: 14 °C
Tides
Port Lincoln (Surf Spot)
7:45am 0.47m 1:56pm 1.54m
↑ Rising
Current: 0.94m
Weather Now for Boston
Cloud clearing.
14 °C
Feels like 8 °C
Wind
17 kn ENE
Humidity
65%
Pressure
1038 hPa
At Port Lincoln Airport
Nearby Wind
50 km radius
N S W E 17 kn Point Avoid 13 kn Cummins Aero
Boston
17 kn ENE
Recent Locations
Boston
17 kn ENE
 14°
Tralee
5 kn E
 14°
Hawk Island -
Wroxham
11 kn WSW
 13°
Hatchcover Beach
Calm
19°
Cleland
4 kn SE
 10°
Brownlow -
Sun
6:33am rise 6:14pm set
11 h 40 m of daylight
Now: 10:35am
126 seconds more than yesterday
Moon
5:57amrise 5:29pmset
1% illuminated
New Moon
Live Weather
Nearby
Port Lincoln Airport, SA
17 kn ENE
 14°
Point Avoid, SA
17 kn ENE
 15°
Cummins Aero, SA
13 kn E
 15°
Windiest in Australia
Maatsuyker Island, TAS
35 kn NW
 11°
Most Windless in Australia
Mount Baw Baw, VIC
Calm
Hottest in Australia
Bradshaw - Angallari Valley (Defence), NT
7 kn NE
 33°
Coldest in Australia
Mount Hotham, VIC
19 kn SSE
 4°
Wettest in Australia
Hervey Bay, QLD
 2.4 mm
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