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

BoM Upper Main Arm Marine Weather Forecast

Show the MSLP/Synoptic chart

Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other NSW Coastal Waters Forecasts

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: Northerly 20 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
Swell: Southerly below 1 metre.
Forecast for Friday, 19 June
Weather: Partly cloudy. 50% chance of showers.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots offshore north of Moruya Heads during the morning. Winds tending northwesterly in the early afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore around midday.
Forecast for Saturday, 20 June
Weather: Mostly sunny. 50% chance of showers.
Winds: West to northwesterly 15 to 25 knots tending west to southwesterly 10 to 15 knots in the afternoon.
Seas: 1 to 2 metres, decreasing below 1 metre during the afternoon.
Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 70% chance of showers.
Winds: West to southwesterly 10 to 15 knots tending south to southwesterly 15 to 20 knots during the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
Swell: Southerly 1 to 1.5 metres.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots offshore south of Cape Byron.
Seas: Below 1 metre, increasing to 1 to 1.5 metres south of Cape Byron.
Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres north of Yamba.
Forecast for Friday, 19 June
Weather: Partly cloudy. 50% chance of showers.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Yamba in the late evening.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore north of Yamba during the morning.
Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres north of Yamba.
Forecast for Saturday, 20 June
Weather: Mostly sunny. 70% chance of showers.
Winds: Northerly 15 to 20 knots tending northwesterly before dawn then becoming variable about 10 knots in the middle of the day.
Seas: 1 to 2 metres, decreasing to 1 metre during the morning.
Swell: East to northeasterly around 1 metre.
Forecast for Sunday, 21 June
Weather: Cloudy. 95% chance of showers.
Winds: South to southwesterly about 10 knots tending south to southeasterly 10 to 15 knots during the morning then decreasing to about 10 knots during the evening.
Seas: Below 1 metre.
Swell: Easterly around 1 metre.

Forecast for Thursday, 18 June
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Coffs Harbour.
Seas: 1.5 metres, increasing to 1.5 to 2 metres offshore south of Coffs Harbour.
Swell: Easterly below 1 metre.
Forecast for Friday, 19 June
Weather: Mostly sunny.
Winds: Northerly 20 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
Swell: East to northeasterly around 1 metre.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Northwesterly 15 to 25 knots turning west to southwesterly 10 to 15 knots during the morning then becoming variable below 10 knots in the early afternoon.
Seas: 1 to 2 metres, decreasing below 1 metre during the morning.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Forecast for Sunday, 21 June
Weather: Cloudy. 80% chance of showers.
Winds: Variable below 10 knots becoming southeast to southwesterly 10 to 15 knots during the morning then tending southeasterly during the afternoon.
Seas: Below 1 metre.
Swell: Easterly below 1 metre.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: Northerly 20 to 25 knots, reaching up to 30 knots offshore.
Seas: 2 metres.
Swell: Southerly below 1 metre.
Forecast for Friday, 19 June
Weather: Partly cloudy.
Winds: Northerly 20 to 25 knots, reaching up to 30 knots during the morning. Winds turning west to northwesterly 15 to 20 knots in the evening.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres later in the evening.
Swell: Northeasterly around 1 metre, increasing to 1 to 1.5 metres by early evening. Southerly around 1 metre.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore in the late afternoon and evening.
Winds: Northwest to southwesterly 15 to 20 knots tending south to southwesterly 10 to 15 knots in the early afternoon then tending west to southwesterly in the late evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore south of Merimbula during the morning. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Sunday, 21 June
Weather: Cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.

Forecast for Thursday, 18 June
Weather: Mostly clear.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots offshore north of Norah Head.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 19 June
Weather: Partly cloudy. 50% chance of showers.
Winds: Northerly 15 to 25 knots turning northwesterly 15 to 20 knots in the afternoon.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres north of Port Stephens during the morning.
Swell: Northeasterly around 1 metre.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: Westerly 15 to 25 knots.
Seas: 1 to 2 metres, decreasing to 1 metre by early evening.
Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Southerly around 1 metre.
Forecast for Sunday, 21 June
Weather: Mostly sunny.
Winds: Westerly 10 to 15 knots turning south to southwesterly below 10 knots during the day.
Seas: Below 1 metre.
Swell: Southerly around 1 metre, increasing to 1 to 1.5 metres during the morning.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Port Kembla.
Seas: 1.5 metres.
Swell: Northeasterly below 1 metre.
Forecast for Friday, 19 June
Weather: Cloudy. 70% chance of showers.
Winds: Northerly 15 to 20 knots, reaching up to 30 knots offshore during the morning and early afternoon. Winds turning west to northwesterly during the afternoon and evening.
Seas: 1.5 to 2.5 metres.
Swell: Northeasterly below 1 metre, increasing to 1 to 1.5 metres south of Port Kembla later in the evening.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: West to northwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Point Perpendicular by early evening.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Westerly 10 to 15 knots turning south to southwesterly during the morning.
Seas: Around 1 metre.
Swell: Southerly around 1 metre, increasing to 1 to 1.5 metres during the morning.

Forecast for Thursday, 18 June
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore.
Seas: 1 to 1.5 metres, increasing to 2 metres offshore.
Swell: Easterly below 1 metre.
Forecast for Friday, 19 June
Weather: Mostly sunny.
Winds: Northerly 15 to 20 knots, reaching up to 30 knots offshore in the late morning. Winds turning northwesterly in the late evening.
Seas: 1.5 to 2.5 metres.
Swell: East to northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Crowdy Head.
Forecast for Saturday, 20 June
Weather: Partly cloudy. 60% chance of showers.
Winds: West to northwesterly 15 to 20 knots tending west to southwesterly in the morning then becoming variable about 10 knots in the early afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then decreasing below 0.5 metres by early evening.
Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. Southerly around 1 metre.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 50% chance of showers.
Winds: Variable about 10 knots becoming south to southwesterly 10 to 15 knots during the morning.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Crowdy Head during the morning.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Northeasterly below 1 metre.
Forecast for Friday, 19 June
Weather: Cloudy. 60% chance of showers.
Winds: Northerly 15 to 20 knots turning northwesterly 15 to 25 knots in the afternoon.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell: Northeasterly around 1 metre.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: Northwesterly 15 to 20 knots turning westerly 10 to 15 knots during the morning and early afternoon.
Seas: 1 to 2 metres, decreasing below 1 metre by early evening.
Swell: Southerly around 1 metre. Northeasterly around 1 metre.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 60% chance of showers.
Winds: West to southwesterly 10 to 15 knots tending south to southwesterly below 10 knots during the morning.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Murwillumbah
▲ N
-
Warnings
No warnings within 100 km.
State Wide
Severe Marine
View all NSW warnings
Temperature
Upper Main Arm
12 °C 23 °C 1pm 11 °C 6am
↓ Cooling
Now: 12 °C
Tides
Brunswick Heads
11:20pm 1.92m 6:00am 0.36m
↓ Falling
Current: 1.72m
Weather Now for Upper Main Arm
Observations not available
Nearby Wind
50 km radius
N S W E 2 kn Cape Byron 4 kn Lismore Airport Calm Ballina
Upper Main Arm
Recent Locations
Upper Main Arm -
Angledale
Calm
15°
Logie Brae
9 kn N
 12°
Oaklands Park
15 kn NW
 13°
Camboon -
Muloorina
13 kn WNW
 13°
Moobi
6 kn NNW
 17°
Sun
6:38am rise 4:57pm set
10 h 19 m of daylight
Now: 12:53am
6 seconds less than yesterday
Moon
10:06am rise 9:24pm set
16% illuminated
Waxing Crescent
Live Weather
Nearby
Cape Byron, NSW
2 kn NW
 17°
Coolangatta, QLD
5 kn NW
 17°
Lismore Airport, NSW
4 kn NNE
 13°
Ballina (Coastal), NSW
Calm
12°
Windiest in Australia
Neptune Island, SA
38 kn SW
 14°
Most Windless in Australia
Perth (Coastal), WA
Calm
6°
Hottest in Australia
Cocos Island, WA
4 kn ENE
 28°
Coldest in Australia
Gingin Airport, WA
Calm
2°
Wettest in Australia
Mount Hotham, VIC
 47.4 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

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