The surf forecast is flat right now for Alona Bay, ON

  • WEATHER FORECAST
    41° W @ 4mph
  • BUOY FORECAST
    WNW0.3ft @ 3s
  • WATER TEMP
    38° 5/4+, Boots/Gloves(5+)

Forecast

Surf
Swell
  • 8ft
  • 6ft
  • 4ft
  • 2ft
THU 21
FRI 22
SAT 23
SUN 24
MON 25
11am
  • Clean
  • Fair
  • Choppy
Conditions are flat and fair at 11am on Thu 5/21
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDW 4 mph
Primary Swell Arrow
PRIMARYWNW (297) 0.3 ft @ 3 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
  • Thursday, May 21
    SURFWINDSWELL
    6am
    0-1 ft
    clean
    SSE
    3mph
    0.7ft
    3s
    WNW
    12pm
    flat
    fair
    W
    4mph
    0.3ft
    3s
    WNW
    6pm
    flat
    fair
    NNE
    4mph
    0ft
    0s
    S
  • Friday, May 22
    SURFWINDSWELL
    6am
    flat
    clean
    ESE
    5mph
    0ft
    0s
    S
    12pm
    flat
    clean
    ESE
    2mph
    0ft
    0s
    S
    6pm
    flat
    clean
    N
    3mph
    0ft
    0s
    S
  • Saturday, May 23
    SURFWINDSWELL
    6am
    flat
    clean
    ESE
    10mph
    0ft
    2s
    S
    12pm
    flat
    clean
    SE
    13mph
    0.7ft
    3s
    S
    6pm
    flat
    clean
    SE
    15mph
    1.8ft
    4s
    S
  • Sunday, May 24
    SURFWINDSWELL
    6am
    flat
    clean
    SE
    5mph
    0.9ft
    3s
    S
    12pm
    flat
    clean
    SSE
    5mph
    0.3ft
    3s
    S
    6pm
    flat
    clean
    SSW
    3mph
    0.2ft
    2s
    SSW
  • Monday, May 25
    SURFWINDSWELL
    6am
    flat
    clean
    SE
    9mph
    0ft
    0s
    S
    12pm
    flat
    fair
    S
    13mph
    1.1ft
    3s
    SSW
    6pm
    flat
    fair
    S
    14mph
    0.3ft
    4s
    WSW
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This forecast is for beaches with direct offshore winds from South-East to East, and was updated May 21, 2026 @ 9:41am.
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