The surf forecast is 3-4 ft and fairly clean right now for Cisco, Nantucket, MA
- WEATHER - LIVENearby Wind Station 44020 - NANTUCKET SOUND68° E @ 13 → 16mph
- LOW / HIGH TIDEThe closest low and high tides to now.1:04pm / 7:50pm
- BUOY 44097Latest wave height and wave period from Buoy 44097SSE
5.6ft @ 13s
- WATER TEMPNo nearby water temp measurements,
using satellite derived data from yesterday.73° Long Arm Spring
Forecast
Surf Swell
5 day 16 day
- 12ft
- 9ft
- 6ft
- 3ft
TUE 19
WED 20
THU 21
FRI 22
SAT 23
2am
- Clean
- Fair
- Choppy
Conditions are 2-3 ft and clean at 2am on Tue 8/19

TIDE LEVEL
Incoming Low Tide0.2 ft
Forecast Details
Basic
Detail
- Tuesday, Aug 19
SURF WIND SWELL 6am 2-3 ftcleanNNE12mph2.2ft12sSSE12pm 2-4 ftcleanNE13mph2.4ft16sS6pm 3-4 ftcleanNE11mph3.1ft15sS - Best Board for Tuesday
- Wednesday, Aug 20
SURF WIND SWELL 6am 4-5+ ftcleanENE8mph4.2ft13sS12pm 3-5 ftfairENE13mph3.7ft12sS6pm 4-5 ftchoppyESE16mph2.7ft17sSSW - Thursday, Aug 21
SURF WIND SWELL 6am 5-8 ftchoppyENE25mph5.5ft16sSSW12pm 6-8+ ftchoppyENE25mph6.1ft15sSSW6pm 10-12 ftchoppyNE31mph8.6ft17sSSW - Friday, Aug 22
SURF WIND SWELL 6am 10-12 ftfairNNE37mph10.3ft16sS12pm 6-8+ ftfairNNE30mph6.4ft14sS6pm 4-6+ ftcleanNNE19mph6.9ft13sSE - Best Surf Trip
- Saturday, Aug 23
SURF WIND SWELL 6am 1-2 ftfairWNW7mph5.1ft12sESE12pm 1 ftchoppyS9mph1.2ft9sS6pm 1 ftchoppyS15mph1.1ft9sS
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This forecast is for South-South-West facing beaches, and was updated Aug 19, 2025 @ 3:08pm.
Read more about the Surf Captain forecasts.