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Newcastle -The Harbour Surf Forecast
/ NSW – Newcastle (55 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Newcastle -The Harbour surfForecast / NSW – Newcastle / Australia
16 Day Weather and Surf, issued 3 am Monday 18 May 2026 AESTForecast 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
21.0° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 18) at 1PM. The primary swell is predicted to be 1.7m and 9s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Newcastle -The Harbour in the next 16 days are 2.2m 9s and forecast to arrive on Saturday (May 23) at 10AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Wednesday (May 20) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Mon 18th May) | 5.5ft (1.7m) 9s |
| Best Surf | 4PM (Mon 18th May) | 7.5ft (2.3m) 9s |
| Most Powerful | 10AM (Sat 23rd May) | 7ft (2.2m) 9s |
Table - best surf conditions forecast for Newcastle -The Harbour over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 41mm), heaviest during Wed night. Very mild (max 19°C on Mon morning, min 15°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SSW by Wed morning). | Days 4-6 Weather SummaryHeavy rain (total 21mm), heaviest during Thu morning. Very mild (max 19°C on Fri night, min 16°C on Thu morning). Winds decreasing (strong winds from the S on Fri morning, light winds from the SW by Sat night). | ||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
E 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 10 | SE 9 | SE 9 | SE 10 | ESE 10 | E 10 | E 10 | |
516 | 795 | 359 | 580 | 625 | 524 | 340 | 296 | 242 | 242 | 200 | 156 | 89 | 61 | 47 | 840 | 780 | 667 | 315 | 279 | 245 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | off | glassy | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 9:25PM1.95m | 10:15AM1.33m | 10:17PM1.92m | 11:14AM1.30m | 11:12PM1.85m | 12:16PM1.27m | 00:10AM1.76m | 1:21PM1.27m | 1:11AM1.66m | 2:26PM1.30m | 2:14AM1.55m | 3:27PM1.35m | 3:16AM1.46m | ||||||||
Low Tide | 2:52PM0.42m | 4:14AM0.20m | 3:44PM0.48m | 5:11AM0.23m | 4:40PM0.55m | 6:10AM0.28m | 5:41PM0.62m | 7:09AM0.33m | 6:49PM0.67m | 8:07AM0.38m | 8:00PM0.70m | 9:02AM0.42m | 9:13PM0.68m | ||||||||
 | |  | |  |  | |  | | | | | |  | | | | |  | | | |
 | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | 5:00 | — | — | 5:00 | — | — | 4:59 | — | — | 4:58 | — | — | 4:58 | — | — | 4:57 | — | — | 4:57 | — |
1 | 5 | 8 | 1 | 2 | 8 | 5 | — | 11 | 6 | 2 | 1 | 1 | — | 6 | 2 | 2 | 1 | — | — | 2 | |
Temp °C | 19 | 19 | 17 | 17 | 18 | 17 | 18 | 18 | 17 | 18 | 18 | 17 | 18 | 18 | 19 | 18 | 18 | 17 | 19 | 19 | 18 |
20 | 19 | 18 | 17 | 16 | 14 | 11 | 11 | 11 | 12 | 11 | 12 | 10 | 11 | 15 | 14 | 14 | 13 | 16 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 8 | E 9 | SSE 9 | SE 9 | SE 9 | SE 10 | ESE 10 | E 10 | E 10 |
 kJ | 516 | 455 | 359 | 580 | 625 | 524 | 340 | 296 | 242 | 242 | 200 | 156 | 715 | 61 | 732 | 840 | 780 | 667 | 315 | 279 | 245 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | S 14 | E 10 | ENE 10 | S 21 | S 18 | SSE 8 | SSE 8 | S 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 89 | 4 | 47 | 33 | 9 | 25 | 143 | 86 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | — | — | — | S 21 | — | S 15 | S 13 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | 9 | — | 4 | 4 | — |
Wind waves Height (m) Direction Period (s) | — | ENE 9 | — | — | — | S 7 | S 9 | S 9 | S 9 | S 9 | SSE 9 | SSE 8 | — | SSE 8 | SSE 9 | — | — | — | WNW 3 | — | SSE 6 |
| kJ | — | 795 | — | — | — | 294 | 724 | 1041 | 1075 | 1010 | 913 | 812 | — | 740 | 940 | — | — | — | 1 | — | 140 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 10 | 106 | 221 | 106 | 0 | 221 | 106 | 186 | 221 | 221 | 0 | 92 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Newcastle | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Newcastle -The Harbour surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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