Surf Forecasts:
Newcastle -The Harbour surf forecast from 13 Sep 2026:
- Most powerful swell: Friday 18 Sep, 7PM (local time) - 3.5ft (1.0m), 10s period, ESE swell with 205 kJ wave energy.
Best Forecast Surf Conditions for Newcastle -The Harbour this week:
The most powerful waves expected at Newcastle -The Harbour in the next 16 days are 1.0m 10s and forecast to arrive on Friday (Sep 18) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 10s period and expected on Wednesday (Sep 16) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Fri 18th Sep) | 3.5ft (1.0m) 10s |
Table - best surf conditions forecast for Newcastle -The Harbour over the next 16 days.
Short Range ForecastMostly dry. Warm (max 24°C on Mon morning, min 12°C on Tue night). Winds increasing (light winds from the N on Mon morning, strong winds from the S by Tue night). | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Wed night. Warm (max 23°C on Sat morning, min 10°C on Wed night). Winds decreasing (strong winds from the SSW on Wed afternoon, light winds from the SW by Thu night). | |||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ENE 5 | NE 6 | E 13 | ENE 4 | NE 6 | ENE 7 | E 14 | ENE 7 | E 14 | S 10 | S 10 | E 13 | E 13 | E 13 | E 12 | E 12 | ESE 9 | SE 9 | SE 8 | SE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 56 | 95 | 13 | 16 | 126 | 17 | 15 | 5 | 4 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 108 | 73 | 42 | 29 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | cross | cross-off | off | off | off | off | off | off | cross-off | cross | cross-on | cross | cross | cross | cross-on |
High Tide | 9:47PM1.46m | 10:10AM1.53m | 10:25PM1.32m | 10:48AM1.50m | 11:03PM1.19m | 11:27AM1.46m | 11:44PM1.07m | 12:11PM1.41m | 00:35AM0.98m | 1:02PM1.36m | 1:45AM0.92m | 2:03PM1.34m | 3:16AM0.92m | |||||||
Low Tide | 3:53AM0.24m | 4:26PM0.31m | 4:24AM0.32m | 5:12PM0.39m | 4:55AM0.41m | 6:01PM0.48m | 5:28AM0.51m | 6:59PM0.55m | 6:08AM0.59m | 8:08PM0.59m | 7:03AM0.67m | 9:25PM0.58m | ||||||||
 |  |  | | | | |  | | |  |  | | | | | | | | | |
 | — | — | 5:54 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — | 5:47 | — | — |
 | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 20 | 17 | 24 | 24 | 22 | 24 | 18 | 15 | 13 | 14 | 14 | 13 | 14 | 14 | 20 | 19 | 16 | 23 | 23 | 21 |
Feels °C | 14 | 13 | 20 | 21 | 19 | 20 | 17 | 8 | 4 | 4 | 5 | 7 | 9 | 12 | 17 | 14 | 14 | 19 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | S 11 | ENE 6 | S 12 | S 11 | ENE 6 | ENE 7 | ENE 6 | ENE 7 | E 14 | — | — | S 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 143 | 53 | 132 | 85 | 34 | 17 | 3 | 5 | 4 | — | — | 1664 | 1106 | 645 | 380 | 343 | 185 | 95 | 55 | 39 |
Swell 2 Height (m) Direction Period (s) | SSE 17 | S 10 | ENE 6 | E 12 | S 10 | SSE 10 | E 14 | E 14 | NE 7 | — | — | E 13 | SSE 19 | E 13 | S 18 | SSE 18 | ESE 9 | SE 9 | SE 8 | SE 9 |
| kJ | 29 | 100 | 12 | 3 | 51 | 31 | 4 | 4 | 2 | — | — | 3 | 34 | 3 | 6 | 30 | 108 | 73 | 42 | 29 |
Swell 3 Height (m) Direction Period (s) | ENE 13 | E 13 | E 13 | E 10 | E 12 | E 13 | E 14 | — | E 14 | — | — | — | E 13 | — | E 12 | E 12 | SSE 17 | SSE 17 | SSE 17 | SSE 16 |
| kJ | 17 | 3 | 13 | 2 | 3 | 3 | 15 | — | 4 | — | — | — | 3 | — | 3 | 3 | 101 | 92 | 100 | 53 |
Wind waves Height (m) Direction Period (s) | ENE 5 | NE 6 | — | ENE 4 | NE 6 | — | SE 4 | S 6 | S 9 | S 10 | S 10 | S 10 | S 10 | — | — | E 3 | WSW 2 | — | NE 2 | NW 3 |
| kJ | 56 | 95 | — | 16 | 126 | — | 17 | 366 | 1198 | 2770 | 2726 | 2223 | 1493 | — | — | 3 | 1 | — | 1 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 287 | 0 | 0 | 81 | 0 | 0 | 70 | 260 | 738 | 832 | 293 | 97 | 125 | 0 | 0 | 74 | 0 | 0 | 81 | 0 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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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 16 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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