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

BoM Joanna 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 Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southeasterly 1 to 1.5 metres, increasing to 2 metres in the west. Southwesterly 1.5 metres.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 50% chance of showers.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southeasterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Southwesterly 1.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northwesterly 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres. Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 29 May
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northwesterly 15 to 20 knots turning westerly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the west during the evening.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southerly 15 to 20 knots.
Seas: 1.5 metres.
Swell: Southerly 2 metres. Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Wednesday, 27 May
Weather: Partly cloudy.
Winds: South to southeasterly 15 to 20 knots decreasing to about 10 knots in the morning.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southerly 2 to 2.5 metres, tending southeasterly 1.5 to 2 metres during the morning. Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Variable below 10 knots becoming northerly 10 to 15 knots in the early morning.
Seas: Below 1 metre.
Swell: Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Southwesterly around 1 metre.
Forecast for Friday, 29 May
Weather: Mostly sunny.
Winds: North to northwesterly 10 to 15 knots turning west to southwesterly 15 to 20 knots during the morning.
Seas: Around 1 metre.
Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon or evening.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: East to southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 60% chance of showers.
Winds: South to southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Friday, 29 May
Weather: Partly cloudy. 70% chance of showers.
Winds: North to northwesterly 10 to 15 knots tending west to northwesterly during the day.
Seas: Around 1 metre.
Swell: South to southwesterly below 0.5 metres.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 50% chance of showers.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots becoming variable below 10 knots in the early morning.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Friday, 29 May
Weather: Cloudy. 90% chance of showers.
Winds: Northwesterly 15 to 20 knots turning westerly during the afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: West to southwesterly around 1 metre.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots south of Beachport.
Seas: Below 1 metre, increasing to 1.5 to 2 metres south of Beachport.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres north of Port MacDonnell. Southeasterly 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Port MacDonnell.
Forecast for Wednesday, 27 May
Weather: Partly cloudy.
Winds: East to southeasterly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell early in the morning. Winds tending south to southeasterly 10 to 15 knots during the morning and early afternoon.
Seas: 1 to 2 metres, decreasing to 1 metre by early evening.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres north of Port MacDonnell. Southeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southerly below 10 knots becoming west to southwesterly in the early morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres. South to southeasterly around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell.
Forecast for Friday, 29 May
Weather: Cloudy. 95% chance of showers.
Winds: Northwesterly 15 to 20 knots turning westerly during the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore.
Seas: Around 1 metre, increasing to 1.5 to 2 metres offshore.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Southwesterly 1.5 metres.
Forecast for Wednesday, 27 May
Weather: Mostly sunny.
Winds: Southeasterly 10 to 15 knots tending southerly in the middle of the day then becoming variable below 10 knots in the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: South to southeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Southwesterly 1.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: East to southeasterly below 10 knots becoming north to northeasterly in the early morning then tending northwesterly 10 to 15 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres. Southeasterly around 1 metre.
Forecast for Friday, 29 May
Weather: Partly cloudy. 80% chance of showers.
Winds: Northwesterly 15 to 20 knots turning westerly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southeasterly 1.5 to 2 metres. Southwesterly 1.5 metres.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 70% chance of showers.
Winds: Southeasterly about 10 knots increasing to 15 to 20 knots before dawn.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Southeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday. Southwesterly 1.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming north to northwesterly 10 to 15 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres. Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 29 May
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning.
Winds: North to northwesterly 10 to 15 knots turning westerly 15 to 20 knots during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 0.5 metres, increasing to below 1 metre south of Cowell to Wallaroo.
Swell: South to southwesterly below 1 metre.
Forecast for Wednesday, 27 May
Weather: Partly cloudy. 60% chance of showers.
Winds: Southeasterly 10 to 15 knots tending southeast to southwesterly in the early afternoon then tending southeasterly in the evening.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots becoming variable below 10 knots in the early morning.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre.
Forecast for Friday, 29 May
Weather: Partly cloudy. 50% chance of showers.
Winds: Northwesterly 10 to 15 knots turning westerly 15 to 20 knots during the afternoon.
Seas: Below 0.5 metres, increasing to around 1 metre during the morning.
Swell: South to southwesterly below 1 metre.

Forecast for Tuesday, 26 May
Weather: Cloudy.
Winds: East to southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres. Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Wednesday, 27 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning and early afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Southwesterly 1.5 metres. South to southeasterly 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots becoming variable below 10 knots before dawn.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Friday, 29 May
Weather: Cloudy. 90% chance of showers.
Winds: Northwesterly 15 to 20 knots turning westerly during the afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Tuesday, 26 May
Weather: Partly cloudy.
Winds: South to southeasterly 15 to 20 knots, reaching up to 25 knots south of Streaky Bay.
Seas: 1.5 metres, increasing to 1.5 to 2 metres south of Streaky Bay.
Swell: Southerly 1.5 to 2 metres. Southwesterly 1.5 metres.
Forecast for Wednesday, 27 May
Weather: Sunny.
Winds: South to southeasterly 15 to 20 knots decreasing to about 10 knots in the morning.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southerly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon. Southwesterly 1 to 1.5 metres.
Forecast for Thursday, 28 May
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northerly 10 to 15 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Streaky Bay. South to southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 29 May
Weather: Partly cloudy.
Winds: North to northwesterly 15 to 20 knots turning westerly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Streaky Bay during the morning.
Swell: Southwesterly around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Coonawarra
▲ N
9 kn SE
· 14 °C
Warnings
No warnings within 100 km.
State Wide
View all SA warnings
Temperature
Joanna
14 °C 18 °C 1pm 10 °C 2am
↓ Cooling
Now: 14 °C
Weather Now for Joanna
Cloudy.
14 °C
Feels like 12 °C
Wind
9 kn SE
Humidity
90%
Pressure
1019 hPa
At Coonawarra
Nearby Wind
50 km radius
N S W E 9 kn Coonawarra 6 kn Naracoorte
Joanna
9 kn SE
Recent Locations
Joanna
9 kn SE
 14°
Whitetip Reef Front
-
Bulong
4 kn
11°
Costerfield
6 kn SSE
 14°
Henty
10 kn SE
 14°
Warriewood Beach
5 kn N
North Cronulla Beach
-
Sun
7:07am rise 5:00pm set
9 h 53 m of daylight
Now: 11:52pm
76 seconds less than yesterday
Moon
1:59pm rise 2:02am set
80% illuminated
Waxing Gibbous
Live Weather
Nearby
Coonawarra, SA
9 kn SE
 14°
Naracoorte, SA
6 kn SSE
 10°
Windiest in Australia
Green Cape, NSW
31 kn E
 19°
Most Windless in Australia
Carnarvon, WA
Calm E
 12°
Hottest in Australia
Cocos Island, WA
4 kn SE
 27°
Coldest in Australia
Mount Read, TAS
11 kn ESE
 4°
More locations...
Return To Classic site 😭
Or... let us know if a problem, so we can tweak! 😅
Weather

Sydney weather

Melbourne weather

Brisbane weather

Perth weather

Adelaide weather

Darwin weather

Hobart weather

Canberra weather

Location Map

Location Search

Activities

Kitesurfing

Windsurfing

Stand up paddle

Surfing

Boating

Sailing

Fishing

News

Articles

About

About us

Contact us

Support

Write To Us

Help/FAQ

Report Bug

Suggestion Box

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