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Black Swamp surfForecast / Northland / New Zealand

information circle12 Day Weather and Surf, issued 11 pm Friday 15 Aug 2025 NZST
Forecast update in hr  min  s Forecast update imminent
Black Swamp surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Black Swamp sea temperature is
14.1° C
 (Which is slightly cooler than normal)

Best Forecast Surf Conditions for Black Swamp this week:

The surf forecast for Black Swamp over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 17) at 3PM. The primary swell is predicted to be 2.5m and 10s period with a secondary swell of 1.4m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Black Swamp in the next 12 days are 3.5m 9s and forecast to arrive on Sunday (Aug 17) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Tuesday (Aug 19) at 12AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Sun 17th Aug)8ft (2.5m) 10s
Best Surf 3PM (Sun 17th Aug)8ft (2.5m) 10s
Most Powerful 6AM (Sun 17th Aug)11ft (3.5m) 9s

Table - best surf conditions forecast for Black Swamp over the next 12 days.

Hourly12 Days
Northland Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 

Short Range Forecast Heavy rain (total 39mm), heaviest during Sat night. Very mild (max 17°C on Sun afternoon, min 11°C on Sat afternoon). Winds increasing (light winds from the E on Fri night, strong winds from the NE by Sun morning).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Tue morning. Very mild (max 14°C on Wed afternoon, min 9°C on Tue night). Winds decreasing (fresh winds from the W on Tue morning, light winds from the SE by Wed night).

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Fri
22
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
4
3
3
1
1
0
0
1
1
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
ENE
1.3
ENE
1.8
NE
3
NE
3.5
NE
2.5
NNE
1.6
NNE
1.5
NNE
1.4
NE
1.1
NE
0.8
NE
0.7
NE
0.7
NE
0.6
NE
0.5
NE
0.4
NE
0.3
ESE
0.6
ESE
0.6
E
0.6
E
1.1
E
Period(s) (?)8568910910101099998895575
Wave
Graph
(?)Metric surfscale
Energy (?)597925611361956172962250640730912288999362282936294261
Wind
(km/h)
15
E
25
ENE
25
NE
30
ENE
40
NE
15
WNW
15
WSW
10
WNW
20
WNW
25
W
25
W
25
WSW
15
S
10
S
10
SSW
10
SSW
15
ESE
15
ESE
10
ESE
15
ESE
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		oncross-
on		oncross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscrosscross-
on
High Tide
/ height (m)
11:51PM
2.20
12:25PM
2.11
12:44AM
2.11
1:23PM
2.07
1:43AM
2.03
2:26PM
2.03
2:46AM
1.97
3:31PM
2.02
3:51AM
1.94
4:35PM
2.04
4:55AM
1.94
5:35PM
2.08
5:53AM
1.97
Low Tide
/ height (m)
6:21AM
0.16
6:45PM
0.33
7:15AM
0.21
7:45PM
0.40
8:14AM
0.27
8:49PM
0.46
9:17AM
0.31
9:56PM
0.47
10:21AM
0.31
11:01PM
0.45
11:22AM
0.29
12:02AM
0.40
12:19PM
0.25
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Fri
22
Sunrise-7:03--7:01--7:00--6:58--6:58--6:56--6:54-
Sunset--5:49--5:49--5:50--5:51--5:52--5:52--5:52
part cloudpart cloudmod rainheavy rainrain showersrain showerspart cloudcloudthunderstorm part cloudrain showerslight rainclearclearclearclearclearclearpart cloudpart cloudrain showers
Rain (mm)
--62632--2-11--------2
Temp. °C131413141617131515131312101314111212131313
Feels °C (?)8988131611131297769108981088
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Northland

  1. weather stationWind Update Offshore wind reported 30 km from Tauranga Bay (light winds from the ESE at Kerikeri Aero Automatic Weather Station 30 km from Tauranga Bay). A 1.7m windswell from the ENE

    54 minutes ago Tauranga Bay
Expand
<
>
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38 km away, 54 min ago

30 km/h
NE
0.0
14.1
Air / Water (°C)
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Black Swamp 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.

View detailed surf forecast for Black Swamp at:
surf-forecast.com

Information about the Black Swamp Surf forecast

The above surf forecast table for Black Swamp provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Black Swamp can be found by selecting the local surf guide option on the grey menu. Our Black Swamp 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 (Black Swamp) 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 Black Swamp 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.

Black Swamp is 52 km (32 miles) from the city of Whangarei. If you plan a holiday in Northland, look for hotels and other accommodation in Whangarei. Whangarei has rooms for a wide range of budgets as well as car hire and transport links.

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