Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 9 am Monday 25 May 2026 ChST
Forecast update in hr  min  s Forecast update imminent
Tank Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tank Beach sea temperature is
28.5° C
(Which is normal for this time of year)

How big are the waves at Tank Beach today?

The current surf forecast for Tank Beach at 12PM is: 1.4m 7s primary swell from a East direction and 0.5m 9s secondary swell from a East direction, 0.2m 12s secondary swell from a North direction (forecast issued at 09:00am May 25). The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (25 May)4.5ft (1.3m)7s
Afternoon (25 May)4.5ft (1.4m)7s
Evening (25 May)5ft (1.5m)8s

Table - waves today at Tank Beach. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Tue morning. Warm (max 28°C on Mon morning, min 27°C on Tue night). Mainly fresh winds.

Monday
25
Tuesday
26
Wednesday
27
Thu
28
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
1 AM
4 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.4
E
9
1.3
E
7
1.4
E
7
1.4
E
7
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.4
E
8
1.4
E
9
1.4
E
9
1.4
E
9
1.5
E
9
1.5
E
9
1.2
NNE
12
1.5
E
9
1.5
E
9
1.6
E
9
1.6
ESE
9
1.5
E
9
1.5
E
9
1.6
E
9
1.6
E
9
1.5
E
9
Wave Graph
Metric surfscale
Energy kJ
306
152
176
181
313
313
313
313
279
286
290
290
332
332
387
348
348
412
413
355
355
402
395
343
Wind (km/h)
25
E
25
E
25
E
25
E
25
E
25
ESE
25
E
25
E
25
E
30
ESE
25
ESE
25
ESE
25
E
25
ESE
30
ESE
30
ESE
25
ESE
30
ESE
30
SE
25
SE
25
ESE
25
ESE
25
ESE
20
ESE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
High Tide
3:05PM0.54m
3:35AM0.73m
4:48PM0.56m
3:55AM0.73m
6:13PM0.59m
Low Tide
10:05AM0.41m
8:43PM0.38m
10:45AM0.33m
9:32PM0.46m
11:20AM0.26m
10:25PM0.52m
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:46
5:45
5:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:40
6:40
6:42
6:42
2
1
1
1
1
2
1
1
Temp °C
28
28
28
28
28
28
28
28
28
28
28
28
28
28
27
28
28
28
28
27
27
27
28
28
29
29
29
28
29
29
29
29
29
28
29
28
29
29
27
28
28
28
28
28
27
28
29
30
Swell 1
Height (m)
Direction
Period (s)
0.2
NNE
7
0.5
E
9
0.5
E
9
0.4
ENE
8
0.5
N
11
0.6
N
11
0.7
N
11
1.5
E
8
0.8
N
10
0.8
N
11
0.8
N
11
0.8
NNE
11
0.8
NNE
13
0.9
NNE
12
1.2
NNE
12
1.1
NNE
12
1.1
NNE
12
0.9
NNE
12
1
NNE
11
1
NNE
11
1
NNE
11
0.8
NNE
11
0.8
NNE
11
0.8
NNE
11
Energy kJ
5
38
38
24
64
85
114
313
141
143
143
158
189
224
387
322
317
237
239
234
234
130
130
133
Swell 2
Height (m)
Direction
Period (s)
0.2
NNE
11
0.2
NNE
10
0.2
N
12
0.3
N
12
0.1
NE
10
0.1
SE
14
0.2
NNE
15
0.8
N
11
0.4
NNE
14
0.5
NNE
14
0.7
NNE
14
0.6
NNE
14
0.7
N
10
0.7
NNE
10
0.2
ESE
13
0.1
SE
13
0.1
SE
13
0.5
NE
14
0.1
SE
13
0.2
ESE
12
0.1
SE
12
0.6
NNE
12
0.6
NNE
12
0.5
NE
13
Energy kJ
11
10
12
25
4
8
21
143
75
107
163
123
100
106
16
7
7
92
6
15
6
104
104
85
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
15
0.1
NE
7
0.2
NNE
10
0.2
NNE
10
0.1
SE
14
0.1
N
8
0.1
SE
14
0.3
NNE
15
0.1
SE
14
0.1
SE
14
0.2
ESE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
NW
9
0.1
NW
8
0.1
NW
8
0.1
SE
13
0.1
NW
8
0.1
NW
8
0.1
SW
8
0.2
SSW
8
0.3
SW
8
0.3
SW
8
Energy kJ
8
2
10
10
8
1
8
43
7
7
18
7
7
7
3
3
3
7
2
2
3
7
11
11
Wind waves
Height (m)
Direction
Period (s)
1.4
E
9
1.3
E
7
1.4
E
7
1.4
E
7
1.5
E
8
1.5
E
8
1.5
E
8
1.4
E
8
1.4
E
9
1.4
E
9
1.4
E
9
1.5
E
9
1.5
E
9
1.5
E
9
1.5
E
9
1.5
E
9
1.6
E
9
1.6
ESE
9
1.5
E
9
1.5
E
9
1.6
E
9
1.6
E
9
1.5
E
9
Energy kJ
306
152
176
181
313
313
313
279
286
290
290
332
332
340
348
348
412
413
355
355
402
395
343
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
1
2
2
Distance (km)
1491
1491
1491
1491
1491
1491
1491
1491
1491
252
249
227
227
249
227
227
227
227
227
227
227
2175
2175
227
Best forecast wave conditions in Saipan
Rating
(10 max)
Best forecast wave conditions in Northern Mariana Islands
Rating
(10 max)
Header Global
Rating
(10 max)
5
5
5
5
4
4
4
5
4
4
4
4
5
5
9
9
9
6
6
7
7
8
7
7
  • 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

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