Tides for San Juan (Open-Meteo model, about 8 km grid). Heights are relative to mean sea level.
Tide now↑ RisingSea level +1.2 ft · today's range 2.1 ft
Next high tide10:50 AMThursday · +2.4 ft
Next low tide5:45 PMThursday · +0.8 ft
Tide curve – next 3 days
HighLowNowTide table – 7 days
| Day | High tides | Low tides | Max waves |
|---|---|---|---|
| Today | 10:50 AM +2.4 ft10:30 PM +1.2 ft | 3:30 AM +0.3 ft5:45 PM +0.8 ft | 3.8 ft |
| Fri, Oct 30 | 11:54 AM +2.3 ft11:30 PM +1.3 ft | 4:18 AM +0.3 ft6:30 PM +0.8 ft | 3 ft |
| Sat, Oct 31 | 12:42 PM +2.2 ft | 5:30 AM +0.4 ft7:30 PM +0.8 ft | 2.6 ft |
| Sun, Nov 1 | 12:30 AM +1.4 ft1:45 PM +2.1 ft | 6:42 AM +0.5 ft8:30 PM +0.9 ft | 2.6 ft |
| Mon, Nov 2 | 1:50 AM +1.5 ft2:30 PM +2.1 ft | 7:54 AM +0.6 ft9:30 PM +0.9 ft | 3.1 ft |
| Tue, Nov 3 | 3:00 AM +1.6 ft3:30 PM +2.1 ft | 8:54 AM +0.7 ft10:06 PM +0.8 ft | 2.9 ft |
| Wed, Nov 4 | 4:10 AM +1.8 ft4:30 PM +1.9 ft | 10:15 AM +0.8 ft | 2.9 ft |
Sea now
- Waves
- 3.5 ft
- Sea state
- Slight
- Swell
- 3.3 ft
- Wave period
- 10 s
- Water temperature
- 85 °F
- Moon
- Waning gibbous
The Atlantic and Pacific coasts usually have two high and two low tides a day (the Gulf of Mexico often has just one of each); the biggest ranges ("spring tides" and "king tides") come around new and full moon. A low tide can be below 0 because heights here are relative to mean sea level, not chart datum (MLLW) used in NOAA tide tables.
High tide combined with heavy rain, a nor'easter or a hurricane storm surge can flood low-lying coastal areas — check will it rain and the hurricane tracker.
Model data, not for navigation. For official predictions, refer to NOAA Tides & Currents (tidesandcurrents.noaa.gov).