Seabreeze.com.au
Buy & Sell
Gallery
Gallery
Seabreeze Seabreeze
Weather
Buy & Sell Forums Gallery Login Join (Free) Help

BoM Mouth Flat Beach Marine Weather Forecast

Show the MSLP/Synoptic chart

Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other SA Coastal Waters Forecasts

Forecast for Friday, 11 September
Weather: Partly cloudy.
Winds: East to northeasterly about 10 knots increasing to 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 12 September
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots turning northerly during the day. Winds reaching up to 20 knots inshore in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres.
Forecast for Sunday, 13 September
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning westerly early in the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Southwesterly 2 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: Westerly 15 to 20 knots turning southwesterly during the afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Friday, 11 September
Weather: Mostly clear.
Winds: Easterly 15 to 20 knots turning northeasterly in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Saturday, 12 September
Weather: Mostly sunny day. The chance of a thunderstorm in the evening, with possible squalls inshore.
Winds: North to northeasterly 15 to 20 knots tending north to northwesterly 10 to 15 knots in the middle of the day then tending north to northeasterly 15 to 20 knots in the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Sunday, 13 September
Weather: The chance of a thunderstorm in the early morning. Sunny day.
Winds: Southwesterly 15 to 20 knots becoming variable about 10 knots in the late afternoon.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Monday, 14 September
Weather: The chance of a thunderstorm in the morning. Mostly sunny day.
Winds: Variable about 10 knots becoming southeasterly 15 to 20 knots during the afternoon.
Seas: Below 0.5 metres, increasing to around 1 metre during the afternoon or evening.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Friday, 11 September
Weather: Clear.
Winds: South to southeasterly about 10 knots becoming east to northeasterly in the evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Saturday, 12 September
Weather: Sunny.
Winds: North to northeasterly about 10 knots tending east to northeasterly 10 to 15 knots in the late afternoon then tending north to northeasterly in the late evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Sunday, 13 September
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning westerly 10 to 15 knots in the middle of the day.
Seas: Around 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Monday, 14 September
Weather: Cloudy.
Winds: Westerly 10 to 15 knots turning southwesterly during the afternoon.
Seas: Below 1 metre.
Swell: South to southwesterly below 0.5 metres.

Forecast for Friday, 11 September
Weather: Mostly clear.
Winds: East to southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
Forecast for Saturday, 12 September
Weather: Mostly sunny.
Winds: Northeasterly about 10 knots increasing to 10 to 15 knots in the morning.
Seas: Below 1 metre.
Swell: West to southwesterly around 1 metre.
Forecast for Sunday, 13 September
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning westerly in the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: West to southwesterly around 1 metre.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: Westerly 15 to 20 knots turning southwesterly during the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell: West to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the afternoon.

Forecast for Friday, 11 September
Weather: Mostly clear.
Winds: Easterly 10 to 15 knots decreasing to about 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 4 metres.
Forecast for Saturday, 12 September
Weather: Sunny.
Winds: East to northeasterly about 10 knots tending north to northeasterly 10 to 15 knots in the early morning.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.
Forecast for Sunday, 13 September
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning west to northwesterly 10 to 15 knots in the afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy. 80% chance of showers.
Winds: Westerly 15 to 25 knots turning southwesterly 20 to 25 knots during the evening.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 to 2.5 metres, tending westerly 2.5 to 3 metres during the evening.

Forecast for Friday, 11 September
Weather: Partly cloudy.
Winds: Variable below 10 knots becoming easterly 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 12 September
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots turning northerly during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres, decreasing to 2 metres during the afternoon.
Forecast for Sunday, 13 September
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the early morning.
Winds: North to northwesterly 10 to 15 knots turning west to southwesterly 15 to 20 knots during the day.
Seas: Around 1 metre.
Swell: Southwesterly 2 metres.
Forecast for Monday, 14 September
Weather: Mostly sunny.
Winds: Westerly 10 to 15 knots turning south to southwesterly 15 to 20 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Friday, 11 September
Weather: Mostly clear.
Winds: Easterly 10 to 15 knots turning northeasterly in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 12 September
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 13 September
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning westerly during the morning.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy. 50% chance of showers.
Winds: Westerly 15 to 20 knots turning southwesterly during the afternoon.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 3 metres.

Forecast for Friday, 11 September
Weather: Mostly clear.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: South to southwesterly around 1 metre, 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 in the late evening. Winds reaching up to 20 knots near the Yorke Peninsula coast in the late 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 Sunday, 13 September
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots shifting west to southwesterly in the late morning.
Seas: 1 to 1.5 metres.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: Westerly 10 to 15 knots turning south to southwesterly 15 to 20 knots during the day.
Seas: Around 1 metre.
Swell: South to southwesterly around 1 metre.

Forecast for Friday, 11 September
Weather: Mostly clear.
Winds: East to southeasterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 12 September
Weather: Sunny.
Winds: Northeasterly about 10 knots increasing to 10 to 15 knots in the morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres.
Forecast for Sunday, 13 September
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Northwest to northeasterly 15 to 20 knots becoming northwesterly 10 to 15 knots in the middle of the day then tending westerly in the early afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy. 50% chance of showers.
Winds: Westerly 15 to 20 knots turning southwesterly during the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Friday, 11 September
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 metres.
Forecast for Saturday, 12 September
Weather: Mostly sunny day. The chance of a thunderstorm at night.
Winds: East to northeasterly 10 to 15 knots turning northerly during the morning and early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Sunday, 13 September
Weather: 50% chance of showers in the early morning. The chance of a thunderstorm in the early morning. Mostly sunny day.
Winds: North to northwesterly 10 to 15 knots shifting southwesterly in the early morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Monday, 14 September
Weather: Mostly sunny.
Winds: West to southwesterly about 10 knots tending south to southwesterly 10 to 15 knots during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres.
Cape Willoughby
▲ N
7 kn ESE
· 14 °C
Warnings
No warnings within 100 km.
State Wide
View all SA warnings
Temperature
Mouth Flat Beach
14 °C 16 °C 1pm 10 °C 6am
↓ Cooling
Now: 14 °C
Tides
Mouth Flat Beach
3:47pm 1.21m 10:04pm 0.33m
↓ Falling
Current: 1.13m
Weather Now for Mouth Flat Beach
Mostly clear.
14 °C
Feels like 11 °C
Wind
7 kn ESE
Humidity
80%
Pressure
1029 hPa
At Cape Willoughby
Nearby Wind
50 km radius
N S W E 7 kn Cape Willoughby 8 kn Kingscote 8 kn Second Valley
Mouth Flat Beach
7 kn ESE
Recent Locations
Mouth Flat Beach
7 kn ESE
 14°
Globe Derby Park
7 kn SW
 20°
Wonna -
East Devonport
13 kn W
 17°
Moorlands -
Oldina
7 kn WSW
 16°
Darlington
8 kn SSW
 18°
Sun
6:24am rise 6:06pm set
11 h 41 m of daylight
Now: 5:00pm
132 seconds more than yesterday
Moon
6:19amrise 6:25pmset
0% illuminated
New Moon
Live Weather
Nearby
Cape Willoughby, SA
7 kn ESE
 14°
Kingscote, SA
8 kn E
 16°
Windiest in Australia
Maatsuyker Island, TAS
34 kn NW
 10°
Most Windless in Australia
Port Macquarie Airport, NSW
Calm
17°
Hottest in Australia
Bradshaw - Angallari Valley (Defence), NT
5 kn E
 37°
Coldest in Australia
Mount Read, TAS
14 kn SW
 4°
Wettest in Australia
Centre Island, NT
 12.8 mm
More locations...
Weather

Sydney weather

Melbourne weather

Brisbane weather

Perth weather

Adelaide weather

Darwin weather

Hobart weather

Canberra weather

Location Map

Location Search

Rain Radar

Activities

Kitesurfing

Windsurfing

Stand up paddle

Surfing

Boating

Sailing

Fishing

About

About us

Support

Other

News

Articles

Widgets

Support

Write To Us

Help/FAQ

Report Bug

Suggestion Box

Copyright © 1997-2026 Seabreeze.com.au
Terms of use
Privacy policy
Version: 5092