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Surf Forecasts:
48th Street surfForecast / Maryland / USA
48hr Weather and Surf, issued 7 am Monday 18 May 2026 EDTForecast update in hr min s Forecast update imminent
48th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 48th Street sea temperature is
14.1° C
(Which is normal for this time of year)How big are the waves at 48th Street today?
The current surf forecast for 48th Street at 12PM is: 0.5m 8s primary swell from a Southeast direction and 0.6m 5s secondary swell from a South direction (forecast issued at 07:00am May 18). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 1.5ft (0.5m) | 8s |
| Afternoon (18 May) | 2.5ft (0.8m) | 5s |
| Evening (18 May) | 3.5ft (1.0m) | 5s |
Table - waves today at 48th Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 29°C on Mon afternoon, min 19°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue night, calm by Wed night). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 8 | SE 8 | SE 8 | SE 8 | S 4 | S 5 | S 5 | S 5 | S 5 | SE 9 | SE 9 | S 5 | S 5 | S 5 | S 6 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | S 5 | S 5 | SSE 6 | SSE 6 | |
29 | 29 | 29 | 29 | 31 | 44 | 57 | 53 | 55 | 43 | 41 | 47 | 71 | 80 | 121 | 33 | 36 | 39 | 40 | 41 | 59 | 90 | 104 | 80 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | glassy | |
High Tide | 9:33AM1.23m | 9:45PM1.53m | 10:30AM1.21m | 10:43PM1.47m | 11:31AM1.18m | 11:43PM1.39m | ||||||||||||||||||
Low Tide | 3:39AM-0.16m | 3:36PM-0.06m | 4:30AM-0.14m | 4:28PM-0.02m | 5:22AM-0.10m | 5:22PM0.04m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | |  | |
 | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | 5:43 |
 | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | 8:08 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 25 | 23 | 27 | 29 | 27 | 24 | 24 | 23 | 22 | 22 | 26 | 28 | 27 | 24 | 22 | 22 | 22 | 22 | 26 | 28 | 25 | 21 | 21 | 19 |
25 | 23 | 27 | 27 | 24 | 22 | 22 | 21 | 21 | 21 | 24 | 25 | 23 | 21 | 18 | 19 | 20 | 20 | 24 | 25 | 21 | 18 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | S 5 | S 5 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 9 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | SSE 6 | SSE 6 |
 kJ | 29 | 18 | 18 | 29 | 21 | 30 | 31 | 35 | 39 | 39 | 38 | 35 | 35 | 35 | 19 | 33 | 36 | 39 | 40 | 41 | 41 | 33 | 104 | 80 |
Swell 2 Height (m) Direction Period (s) | E 8 | SE 8 | SE 8 | E 8 | E 18 | E 17 | E 17 | E 13 | E 13 | E 13 | SE 13 | E 13 | E 16 | SE 14 | SE 16 | SE 16 | SE 15 | SE 15 | SE 15 | SE 15 | SE 15 | SE 14 | SE 9 | SE 9 |
| kJ | 5 | 29 | 29 | 1 | 6 | 6 | 6 | 3 | 3 | 3 | 7 | 3 | 5 | 7 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 23 | 22 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 8 | E 8 | E 15 | E 7 | E 13 | E 13 | E 16 | E 16 | E 16 | E 16 | E 16 | E 13 | E 16 | E 13 | — | — | — | — | — | E 12 | E 12 | SE 14 | SE 14 |
| kJ | 4 | 1 | 1 | 4 | 1 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 3 | 5 | 3 | — | — | — | — | — | 3 | 3 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | S 4 | — | — | S 5 | S 4 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 6 | S 6 | S 6 | S 6 | S 5 | S 5 | S 5 | S 5 | SW 6 | — |
| kJ | 13 | — | — | 24 | 31 | 44 | 57 | 53 | 55 | 43 | 41 | 47 | 71 | 80 | 121 | 108 | 75 | 60 | 47 | 43 | 59 | 90 | 80 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 21 | 1053 | 1053 | 1053 | 449 | 529 | 196 | 195 | 43 | 238 | 220 | 220 | 431 | 607 | 243 | 42 | 42 | 222 | 205 | 35 | 59 | 0 |
Best forecast wave conditions in Maryland | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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