The surf forecast is 0-1 ft and clean right now for Nantasket, MA

  • WEATHER - LIVE
    70° NW @ 2 → 6mph
  • LOW / HIGH TIDE
    8:45am / 2:17am
  • BUOY 44013
    E1.6ft @ 10s
  • WATER TEMP
    52° 4/3, Boots/Gloves(3+)

Forecast

Surf
Swell
5 day
16 day
  • 8ft
  • 6ft
  • 4ft
  • 2ft
WED 20
THU 21
FRI 22
SAT 23
8am
  • Clean
  • Fair
  • Choppy
Conditions are flat and clean at 8am on Tue 5/19
Compass Map
Forecast Compass Compass Wind Arrow Compass Primary Swell Arrow Compass Secondary Swell Arrow
Wind Arrow
WIND SSW 10 mph
Primary Swell Arrow
PRIMARY E (99) 0.3 ft @ 8 sec
Secondary Swell Arrow
SECONDARY E (82) 0.2 ft @ 13 sec
TIDE LEVEL
Low Tide, -1.1 ft

Forecast Details

Basic
Detail
  • Wednesday, May 20
    SURF WIND SWELL
    6am
    0-1 ft
    clean
    SW
    10mph
    0.5ft
    9s
    E
    12pm
    0-1 ft
    clean
    W
    14mph
    0.4ft
    10s
    E
    6pm
    0-1 ft
    clean
    WNW
    14mph
    0.2ft
    12s
    E
  • Thursday, May 21
    SURF WIND SWELL
    6am
    0-1 ft
    fair
    NW
    10mph
    0.4ft
    9s
    E
    12pm
    0-1 ft
    fair
    NE
    6mph
    1.1ft
    4s
    NE
    6pm
    0-1 ft
    fair
    ESE
    3mph
    1ft
    4s
    NE
  • Friday, May 22
    SURF WIND SWELL
    6am
    0-1 ft
    fair
    NNE
    5mph
    1.2ft
    3s
    NE
    12pm
    0-1 ft
    fair
    SE
    7mph
    0.3ft
    11s
    E
    6pm
    0-1 ft
    clean
    S
    10mph
    0.4ft
    11s
    E
  • Saturday, May 23
    SURF WIND SWELL
    6am
    0-1 ft
    clean
    NW
    2mph
    0.4ft
    11s
    E
    12pm
    0-1 ft
    fair
    SSE
    7mph
    0.4ft
    11s
    E
    6pm
    0-1 ft
    choppy
    SE
    9mph
    0.4ft
    10s
    E
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  • Sunday, May 24
    SURF WIND SWELL
    6am
    0-1 ft
    choppy
    E
    8mph
    0.4ft
    10s
    E
    12pm
    0-1 ft
    choppy
    E
    11mph
    0.5ft
    10s
    ESE
    6pm
    0-1 ft
    choppy
    E
    11mph
    1.6ft
    3s
    ESE
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This forecast is for beaches with direct offshore winds from West-South-West to South-West, and was updated May 19, 2026 @ 9:06pm.
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