Coastal conditions

San Juan Bay

Harbor · Puerto Rico · Puerto Rico / San Juan Bay

Location Snapshot

San Juan Bay is a protected Puerto Rico coastal fishery shaped by harbor channels, mangrove edges, and connected estuarine water. Tarpon and snook anchor the inshore opportunity, with additional supported targets reflecting the mix of sheltered bay habitat and nearby coastal water.

Active coastal or marine alerts

  • Rip Current Statement

    Severity: Moderate

    Rip Current Statement issued October 20 at 4:04AM AST until October 21 at 6:00PM AST by NWS San Juan PR

    Begins Oct 20, 2026, 4:04 AM · Ends Oct 21, 2026, 6:00 PM

    A High Surf Advisory means that high surf will affect beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. There is a high risk of rip currents. Rip currents are powerful channels of water flowing quickly away from shore, which occ…

    Official NWS alert

  • High Surf Advisory

    Severity: Minor

    High Surf Advisory issued October 20 at 4:04AM AST until October 20 at 6:00PM AST by NWS San Juan PR

    Begins Oct 20, 2026, 4:04 AM · Ends Oct 20, 2026, 6:00 PM

    A High Surf Advisory means that high surf will affect beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. There is a high risk of rip currents. Rip currents are powerful channels of water flowing quickly away from shore, which occ…

    Official NWS alert

Current Coastal Rating

Fair · 65

Beta

Conditions are mixed. Review the details below before heading out.

Scores are model-specific and are not directly comparable across water types.

Should I Go?

Trip conditions only. Target-species activity and seasonal fishery patterns are not yet included.

Consider

Trip conditions may be workable, but important cautions or data limitations remain.

High confidence in the evaluated inputs — observational coverage is partial. — Required data sources were available and the key inputs were current.

Evaluates trip conditions using weather, tides, currents, waves, daylight, and active alerts.

  • This coastal rating is in public beta.
  • Missing waves are not calm. Forecast is not an observation. Prediction is not an observation.
  • Because this rating is in public beta, recommendations are capped at Consider when evidence is limited.
  • A missing current reading is not slack water. Tide height is not current.

Recommended window

Tuesday · 7:00 AM–10:00 AM AST

Window score

65

Max wind
5 mph
Max gust
8 mph
Daylight
100% of window
Tide state
falling

Why

  • Strong daylight coverage supports the evaluated window.

Watch for

  • An active caution-level alert applies to this destination.

Coastal conditions can change quickly. Review official alerts and current conditions before heading out.

Current Readings

Updated Oct 20, 2026, 7:39 AM

NOAA Station selected

Source

  • NOAA CO-OPS
  • San Juan, La Puntilla, San Juan Bay station
  • 0.0 mi from destination
Water level
1.2 ft MLLW

Updated 15 min ago

Past 7 Days

NOAA Station selected

Water level

Window Oct 13, 2026, 7:39 AM – Oct 20, 2026, 7:39 AM (rolling 168 hours)

Water level over the past 7 days. 1678 observations · from Oct 13, 2026, 7:42 AM · to Oct 20, 2026, 7:24 AM Range 0.4 ft MLLW to 2.3 ft MLLW.

Readings decreased over the available period.

1678 observations · from Oct 13, 2026, 7:42 AM · to Oct 20, 2026, 7:24 AM

  • NOAA CO-OPS · San Juan, La Puntilla, San Juan Bay · Station 9755371
  • Station at destination
  • Approximately 0.0 mi from destination
  • Observation type: observed
  • Unit: ft
  • Datum: MLLW

Nearby coastal destinations

  • Puerto Rico · North-coast Atlantic shelf drop north of San Juan · Offshore

    Approximately 3.7 miles away

  • Fajardo32.9 mi

    Puerto Rico · Puerto Rico / Fajardo · Harbor

    Approximately 32.9 miles away

  • Ponce47.3 mi

    Puerto Rico · Puerto Rico / Ponce · Harbor

    Approximately 47.3 miles away

Predicted Tides

Predicted

Falling

Next low tide

Oct 20, 2026, 9:26 AM

In 1 hr 47 min

0.5 ft MLLW

Previous

High · Oct 20, 2026, 3:32 AM · 1.1 ft MLLW

Following

High · Oct 20, 2026, 4:42 PM · 1.6 ft MLLW

Tide station at destination

San Juan · NOAA 9755371

Predicted Tidal Current

Predicted

Tidal-current predictions are not available for this destination.

Tidal-current timing can differ from high and low tide timing.

Fishery Profile

Fishery Overview

San Juan Bay harbor and metro charter fishery

A San Juan Bay harbor/estuary and metro charter fishery. Tarpon and snook use the estuary and harbor edges; mahi-mahi and tuna are the metro charter overlay.

Fishery type
  • Harbor estuary charter
Fishing modes
  • Inshore boat
  • Shore
Habitat and structure
San Juan Bay harbor bulkheads and estuary edges · Metro charter run outside the bay mouth · Mangrove and channel margins inside the bay

Static seasonal guidance · Last reviewed Sep 3, 2026

Not a live bite forecast.

Fishery Targets

Tarpon, snook, and jacks are year-round. Mahi-mahi are part of the offshore fishing here.

Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency and editorial sources. About fish illustrations

  • Atlantic tarpon illustration

    Tarpon

    Primary

    Megalops atlanticus

    No seasonal pulse known

    Year-round San Juan estuary/harbor fishing. Harvest dates follow the current regulations.

  • Common snook illustration

    Common snook

    Primary

    Centropomus undecimalis

    No seasonal pulse known

    Year-round harbor/estuary fishing. Harvest dates follow the current regulations.

  • Jack crevalle illustration

    Crevalle jack

    Secondary

    Caranx hippos

    No seasonal pulse known

    Harbor structure and estuary edges.

  • Mahi-mahi illustration

    Mahi-mahi

    Secondary

    Coryphaena hippurus

    Also called Dorado

    No seasonal pulse known

    Metro charter pelagic overlay. Harvest dates follow the current regulations.

  • Yellowfin tuna illustration

    Yellowfin tuna

    Secondary

    Thunnus albacares

    Also called Ahi

    No seasonal pulse known

    Metro charter pelagic overlay. These fish are present through the year. Harvest dates follow the current regulations.

Seasonal timing is not defined for every target.

Access, Safety and Regulations

Access

Public harbor and metro charter docks. Confirm current DNER and federal Caribbean rules. Nonresident license may be required.

Primary hazards

Harbor traffic, heat, and thunderstorms. Missing waves are not calm.

Fishery considerations

  • Tide is NOAA 9755371 San Juan. Current predictions are not available here.
  • NWS San Juan point forecast.

Regulations

Size limits, seasons, and possession rules change. Verify the current official regulations before fishing.

Location and Access

Harbor · Puerto Rico

Loading map…

The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.

Data Sources

Planning limitation

Coastal conditions can vary over short distances. Predictions and remote observations are planning information, not guarantees of access or safety.

  • This location is San Juan Bay harbor/estuary and metro charter waters. This is not Fajardo, not Arecibo, and not an inner-bay wave pin.
  • Missing waves are not calm. Forecast/prediction is not observation.