Sullivan’s Island Weather & Tide Chart Guide

Planning a trip to Sullivan’s Island? Understanding the weather and tide conditions can make a major difference in your beach experience. Whether you’re visiting for swimming, shelling, or fishing, this guide will help you choose the best time to go.
Find hotels on the nearby Isle of Palms, SC
🌤️ Current Weather at Sullivan’s Island

Use the live forecast below to check current conditions, temperatures, and precipitation before heading to the beach. Current Sullivan’s Island weather.
Quick Tip:
Mornings typically offer calmer winds and cooler temperatures, while afternoons can bring stronger ocean breezes—especially in summer.
🌊 Sullivan’s Island Tide Chart & Guide
Tides play a major role in your beach day. Knowing when high and low tides occur can help you plan the best time for your activity.
🌅 Understanding Tides
- High Tide: Water is closer to the dunes; less beach space
- Low Tide: Wider beach; best for walking, shelling, and exploring
- Incoming Tide: Water rising; good for fishing
- Outgoing Tide: Water receding; ideal for shelling
📊 Best Tide Conditions by Activity
| Activity | Best Tide | Why It Matters |
|---|---|---|
| Swimming | Mid to High Tide | Easier water access, less exposed sandbars |
| Shelling | Low Tide | More shells exposed along shoreline |
| Fishing | Incoming Tide | Fish move closer to shore |
| Walking | Low Tide | Wider, firmer beach for long walks |
📍 Official Tide Data

For the most accurate and up-to-date tide times, check official sources:
These sources provide daily tide charts and coastal conditions specific to the Charleston Harbor and surrounding barrier islands.
📅 Best Time to Visit Sullivan’s Island
Spring (March – May)
- Mild temperatures
- Lower crowds
- Great for walking and biking
Summer (June – August)
- Warm water and peak beach season
- Best for swimming
- Afternoon storms possible
Fall (September – November)
- Ideal weather + fewer crowds
- Warm ocean temperatures
- Excellent fishing conditions
Winter (December – February)
- Quiet beaches
- Cooler temperatures
- Best for peaceful walks and photography
🌡️ Average Conditions Overview
| Season | Air Temp | Water Temp | Crowd Level |
|---|---|---|---|
| Spring | 65–80°F | Cool | Moderate |
| Summer | 85–95°F | Warm | High |
| Fall | 70–85°F | Warm | Moderate |
| Winter | 50–65°F | Cold | Low |
🧭 Local Tips for Planning Your Visit
- Check both the weather and the tides together before heading out
- Visit during low tide for the best beach space
- Early mornings are typically the least crowded and most comfortable
- Wind direction can impact surf conditions and beach comfort

Plan the Rest of Your Trip
For more details on visiting the area, explore:
- Sullivan’s Island parking guide
- Beach access points
- Sullivan’s Island Restaurants near the beach
- Things to do on Sullivan’s Island
- Hotels Near Sullivan’s Island – Isle of Palms Hotels



