Navy Island Surf Break

Lat Long: 18.19° N 76.45° W

Navy Island 48 hour detailed Surf Forecast

Issued: 6 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Navy Island sea temperature is
29.1° C
0.6° 

Navy Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Navy Island today (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 3ft (0.9m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 3ft (0.9m), 8s period with ESE swell.
  • Evening surf: Evening surf (18 Jul, local time) - 3ft (0.9m), 8s period with ESE swell.

The current surf forecast for Navy Island at 2PM is: 0.9m 8s primary swell from a East-southeast direction and 0.9m 7s secondary swell from a Northeast direction (forecast issued at 06:00am July 18). The wind direction is predicted to be cross-shore.

Time (EST) & DateWave HeightWave Period
Morning (18 Jul)3ft (0.9m)8s
Afternoon (18 Jul)3ft (0.9m)8s
Evening (18 Jul)3ft (0.9m)8s

Table - waves today at Navy Island. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Mon night. Warm (max 30°C on Sat morning, min 26°C on Sat night). Wind will be generally light.

Saturday
18
Sunday
19
Monday
20
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
0.8
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.9
ESE
8
0.9
ESE
8
Wave Graph
Metric surfscale
Energy kJ
137
101
103
103
111
134
122
96
96
96
76
76
96
99
99
99
99
99
78
78
78
99
122
Wind (km/h)
15
ESE
15
ESE
20
ESE
20
ESE
20
ESE
15
SE
15
SE
10
ESE
15
ESE
15
ESE
15
E
15
E
15
E
15
SE
10
ESE
10
SE
10
ESE
15
SE
20
ESE
20
ESE
20
ESE
15
SE
15
SE
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross-off
cross
cross
cross-on
cross-on
cross
cross
cross
High Tide
12:50PM0.26m
00:28AM0.29m
2:03PM0.26m
1:05AM0.25m
3:20PM0.27m
Low Tide
6:41AM0.09m
6:24PM0.15m
7:22AM0.09m
7:44PM0.17m
8:04AM0.09m
9:28PM0.18m
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:44
6:44
6:44
 mm
Temp °C
26
27
29
30
29
27
27
26
26
27
29
29
29
27
26
26
26
27
29
30
29
27
26
Feels °C
28
29
30
31
30
30
30
29
28
30
32
31
32
30
30
30
29
29
30
31
29
29
28
  • 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
How to use the Wavefinder 

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 Navy Island 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.


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