Marine forecasts, wave heights, beach calmness, and ferry crossing conditions for the Anguilla channel and surrounding waters.
The Anguilla Channel, the roughly 3-mile stretch between Blowing Point Terminal and Marigot, St. Martin, takes about 20 minutes to cross on the public ferry. Conditions vary by season, wind direction, and tropical activity in the northeastern Caribbean.
Winter and spring, from December through May, are typically calmer with 1-3 foot waves and light northeast trade winds. From August through October, swells can build to 4-6 feet or higher after tropical systems, and ferry operators may hold departures until conditions improve.
Passengers often ask what a rough crossing actually feels like. At 2-3 foot swells, the ride is comfortable and most passengers experience little to no discomfort. At 4-5 feet, the ferry pitches more noticeably and nausea is possible for sensitive passengers. Above 5 feet, operators typically reassess conditions and may delay departures until the sea settles.
If you are prone to motion sickness, sit on the lower deck toward the middle of the vessel, face forward, and keep your eyes on the horizon rather than a phone or book. Over-the-counter motion sickness remedies taken about an hour before boarding are effective for most passengers. Avoiding a heavy meal immediately before the crossing also helps significantly.
Calm seas
Best comfort level for most ferry passengers, families, and travelers with luggage.
Moderate seas
Most crossings can still run normally, but expect rolling motion in the Anguilla channel.
Choppy seas
Crossings may be uncomfortable and schedules can shift if operators need safer timing.
Rough seas
Ferry and charter service may be delayed, adjusted, or canceled for safety.
Current Sea State
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2-3 ft swells · 8 sec period
Wave height
2-3 ft
8 sec period
Wind
13 mph
NE
Water temp
79°F
Comfortable
A quick look at wave height, wind speed, and swell period across the next few hours.
Loading live marine forecast...
1 PM
Waves
2-3 ft
Wind
13 mph
Swell
8s
2 PM
Waves
2-3 ft
Wind
14 mph
Swell
8s
3 PM
Waves
3-4 ft
Wind
15 mph
Swell
9s
4 PM
Waves
3-4 ft
Wind
16 mph
Swell
9s
5 PM
Waves
2-3 ft
Wind
14 mph
Swell
8s
6 PM
Waves
2-3 ft
Wind
12 mph
Swell
7s
7 PM
Waves
1-2 ft
Wind
11 mph
Swell
7s
8 PM
Waves
1-2 ft
Wind
10 mph
Swell
6s
Plan ferry crossings, beach days, and boat trips with an extended view of expected sea conditions.
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Today
Apr 21
Best
7:30 AM-10 AM
Roughest
2 PM-6 PM
Fri
Apr 22
Best
7:30 AM-6 PM
Roughest
None
Sat
Apr 23
Best
7:30 AM-6 PM
Roughest
None
Sun
Apr 24
Best
7:30 AM-10 AM
Roughest
3 PM-6 PM
Mon
Apr 25
Best
7:30 AM-10 AM
Roughest
2 PM-6 PM
Tue
Apr 26
Best
7:30 AM-9 AM
Roughest
11 AM-2 PM
Wed
Apr 27
Best
2 PM-5 PM
Roughest
7:30 AM-10 AM
Compare sea state and calmness at popular beaches across Anguilla.
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Suggested travel windows based on expected wave height, wind speed, and comfort level.
Loading live crossing windows...
Generally workable for most ferry passengers, with some rolling motion possible in the channel.
Generally workable for most ferry passengers, with some rolling motion possible in the channel.
Generally workable for most ferry passengers, with some rolling motion possible in the channel.
Generally workable for most ferry passengers, with some rolling motion possible in the channel.
Generally workable for most ferry passengers, with some rolling motion possible in the channel.
Generally workable for most ferry passengers, with some rolling motion possible in the channel.
Use these guidelines to understand what passengers may experience during ferry crossings and boat transfers.
Ferry impact
Best comfort level for most ferry passengers, families, and travelers with luggage.
Beach impact
Good for swimming and snorkeling at protected beaches, but still follow local flags and lifeguard guidance.
What to do
A standard same-day confirmation with the operator is usually enough.
Ferry impact
Most crossings can still run normally, but expect rolling motion in the Anguilla channel.
Beach impact
Choose sheltered bays for calmer water; exposed shorelines may feel bouncy.
What to do
If you get seasick, sit outside or near the center of the boat and prepare before boarding.
Ferry impact
Crossings may be uncomfortable and schedules can shift if operators need safer timing.
Beach impact
Avoid rough surf, rocky entries, and unsupervised swimming; protected coves are safer picks.
What to do
Confirm your departure before leaving for the terminal and consider an earlier, calmer window.
Ferry impact
Ferry and charter service may be delayed, adjusted, or canceled for safety.
Beach impact
Stay out of heavy surf and avoid swimming near reefs, rocks, points, or channels.
What to do
Check directly with your ferry, charter, hotel, or port contact before traveling.
A simple planning guide for understanding how Anguilla sea conditions often shift throughout the year.
Often one of the best windows for calmer beach days and comfortable ferry crossings.
Trade winds can pick up, so mornings are often better for crossings and beach planning.
Warm water and calm days are common, but storm monitoring becomes more important.
Conditions can shift quickly during the peak hurricane-season window.
Early morning departures, typically the 7:00 AM to 9:00 AM window, are almost always the smoothest. Trade winds along the northeastern Caribbean corridor tend to be lightest before midday, and the overnight hours give swell time to settle. If you have any flexibility in your travel day, booking an early ferry is the most reliable way to guarantee a comfortable crossing.
By mid-afternoon, northeast trade winds often build to 15-20 knots. This is usually within normal operating range for ferry operators, but the channel becomes noticeably more active. Passengers taking an afternoon crossing should expect a livelier ride. It is rarely dangerous during the dry season, but there is enough movement to be noticeable.
During hurricane season, roughly June through November, conditions can shift quickly even without a named storm. Passing tropical waves can push swell heights up by a foot or more within a few hours. Check the live marine forecast on the morning of your departure rather than relying on a multi-day prediction, and follow operator guidance if conditions change unexpectedly between when you plan and when you board.
Quick answers for ferry passengers, beach visitors, and travelers planning water-based activities.
Usually, yes. Moderate conditions often mean ferries can operate normally, but there may be more noticeable motion during the crossing. Always confirm directly with the operator if conditions are changing.
Use these travel tools and guides to connect sea conditions with ferry timing, weather, beaches, and charters.
Check departure times before planning your crossing.
OpenReview island weather before beach or ferry plans.
OpenFind calm beaches, snorkeling spots, and beach guides.
OpenCheck ferry alerts and service notices.
OpenLearn about ferry terminals and arrival points.
OpenCompare seasonal travel windows.
OpenHelpful planning advice for first-time visitors.
OpenExplore private and shared boat transfer options.
OpenMornings and evenings are often smoother, while afternoon wind can make the channel feel more active. Check the schedule, build in buffer time, and confirm with operators if conditions change.
