Newcastle -The Harbour surf break

Newcastle -The Harbour surfForecast / NSW – Newcastle / Australia

information circle12 Day Weather and Surf, issued 10 pm Wednesday 10 Dec 2025 AEDT
Forecast update in hr  min  s Forecast update imminent
Newcastle -The Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Newcastle -The Harbour sea temperature is
22.3° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Newcastle -The Harbour this week:

The surf forecast for Newcastle -The Harbour over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 13) at 11AM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.9m and 6s. Another secondary swell of 1.1m and 6s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Newcastle -The Harbour in the next 12 days are 1.3m 11s and forecast to arrive on Saturday (Dec 13) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 8s period and expected on Monday (Dec 15) at 2PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sat 13th Dec)2.5ft (0.8m) 11s
Best Surf11AM (Sat 13th Dec)2.5ft (0.8m) 11s
Most Powerful 2PM (Sat 13th Dec)4.5ft (1.3m) 11s

Table - best surf conditions forecast for Newcastle -The Harbour over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 18mm), heaviest on Wed night. Warm (max 24°C on Sat afternoon, min 17°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the ENE by Sat afternoon).

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Sat night. Warm (max 27°C on Sun morning, min 18°C on Mon night). Mainly strong winds.

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
1
2
0
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
ENE
0.4
ENE
0.4
ENE
0.4
E
0.9
E
1
E
1
E
0.8
E
1.6
E
1.4
NE
1
E
1.2
ENE
0.7
E
0.6
E
0.5
E
1.3
ESE
0.9
ESE
0.3
E
0.6
E
0.5
E
0.9
E
Period(s) (?)89913121211116788888668884
Wave
Graph
(?)Metric surfscale
Energy kJ (?)142626552332732441491711981171595741281265210463226
Wind
(km/h)
15
SW
10
SE
15
E
10
ENE
15
ENE
20
E
10
NE
5
NNE
30
ENE
10
NNW
10
NW
20
ENE
45
SSW
15
SSE
20
SSE
20
SE
15
ESE
15
E
10
NNE
10
ENE
30
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
crosscross-
on
cross-
on
cross-
on
onglasscross-
on
cross-
on
crosscross-
on
offcross-
off
cross-
off
cross-
off
crosscrossoncross-
on
cross-
on
High Tide
/ height (m)
2:23AM
1.21
2:05PM
1.47
3:21AM
1.23
3:00PM
1.34
4:18AM
1.27
3:57PM
1.23
5:09AM
1.33
4:55PM
1.15
5:55AM
1.40
5:52PM
1.11
6:37AM
1.48
6:46PM
1.09
7:16AM
1.56
7:35PM
1.10
Low Tide
/ height (m)
8:07PM
0.31
7:52AM
0.65
8:56PM
0.38
8:59AM
0.69
9:43PM
0.43
10:10AM
0.69
10:26PM
0.46
11:20AM
0.66
11:07PM
0.47
12:22PM
0.61
11:47PM
0.47
1:13PM
0.54
12:27AM
0.46
1:59PM
0.47
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
Sunrise-5:37--5:37--5:37--5:37--5:37--5:37--5:39-
Sunset--7:52--7:53--7:54--7:55--7:55--7:57--7:57
thunderstorm
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
mod rain
clear
part cloud
rain showers
light rain
cloud
rain showers
part cloud
clear
clear
clear
clear
Rain (mm)
3325221--6--11-2-----
Temp. °C222021202122212224232727241919181819182123
Feels °C (?)262021202021212322212726261716141416151919
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Newcastle -The Harbour Surf forecast

The above surf forecast table for Newcastle -The Harbour provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Newcastle -The Harbour can be found by selecting the local surf guide option on the grey menu. Our Newcastle -The Harbour surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Newcastle -The Harbour) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Newcastle -The Harbour may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Newcastle? If you are looking for accommodation near Newcastle -The Harbour, camping, hotels and holiday cottages in Newcastle, consider staying in Newcastle which is 3 km (2 miles) away. Other places in and around Newcastle where you can find information about places to rent, and car hire include Catherine Hill Bay which is 32 km (20 miles) away, Port Stephens, Cessnock and Central Coast.

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