United States

Greenport Jetty

3–5 mMax Depth

boatEntry

26Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal90/100

Waves

0.1 m

4.2 s

Swell

0.1 m

3.5 s

Current speed

1.8 km/h

flowing toward E

Water temperature

16.9°C

Wind

8.9 km/h

→ SE

Sea level

-0.7 m

falling

WavesCalm

SwellCalm

Current speedWatch

Planning window

20:45–20:00

Calmest model window

Forecast Overview

Sun, Oct 18Calm

Waves0.1–0.2 mCurrent speed2.1 km/h maxWater temperature16.9°C

Mon, Oct 19Calm

Waves0.2–0.5 mCurrent speed2.8 km/h maxWater temperature16.6°C

TodayWatch

Waves0.5–0.6 mCurrent speed3.0 km/h maxWater temperature16.3°C

TomorrowWatch

Waves0.6–0.9 mCurrent speed3.2 km/h maxWater temperature16.0°C

Next 72 hours

20:00

Waves: 0.1 m

Current speed: 2.1 km/h

Water temperature: 16.9°C

02:00

Waves: 0.2 m

Current speed: 2.4 km/h

Water temperature: 16.8°C

08:00

Waves: 0.4 m

Current speed: 1.6 km/h

Water temperature: 16.6°C

14:00

Waves: 0.4 m

Current speed: 2.8 km/h

Water temperature: 16.6°C

20:00

Waves: 0.5 m

Current speed: 1.8 km/h

Water temperature: 16.5°C

02:00

Waves: 0.5 m

Current speed: 2.5 km/h

Water temperature: 16.4°C

08:00

Waves: 0.5 m

Current speed: 1.3 km/h

Water temperature: 16.2°C

14:00

Waves: 0.6 m

Current speed: 2.5 km/h

Water temperature: 16.3°C

20:00

Waves: 0.5 m

Current speed: 1.1 km/h

Water temperature: 16.3°C

02:00

Waves: 0.7 m

Current speed: 2.2 km/h

Water temperature: 16.1°C

08:00

Waves: 0.8 m

Current speed: 0.4 km/h

Water temperature: 15.9°C

14:00

Waves: 0.7 m

Current speed: 1.8 km/h

Water temperature: 16.0°C

Catalog depth3–5 m

Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Jun-Oct

Peak month

Aug 21.8°

Jan5.0°

Feb3.2°

Mar3.8°

Apr6.7°

May11.3°

Jun16.4°

Jul20.7°

Aug21.8°

Sep20.5°

Oct17.3°

Nov12.8°

Dec8.6°

Current: mild

Typical visibility: 7.5 m

Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.

Explore nearby centers on the map

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Dive Types

shoresalt Waterbeginner Difficulty

Questions to ask a local operator

What are today's current, visibility, entry, and exit conditions?
Does the planned route stay within my certification and recent experience?
Are there local permits, conservation rules, or equipment requirements?

Common Species

12 km · nearby observations

Northern puffer

Sphoeroides maculatus

DeepLog6

Mexican scallop

Argopecten irradians

DeepLog5

Spot croaker

Leiostomus xanthurus

DeepLog4

Oyster

Crassostrea virginica

DeepLog3

Ribbed mussel

Geukensia demissa

DeepLog3

Clearnose skate

Rostroraja eglanteria

DeepLog2

Pumpkin

Mercenaria mercenaria

DeepLog2

Slipper limpet

Crepidula fornicata

DeepLog2

Striped bass

Morone saxatilis

DeepLog2

Summer flounder

Paralichthys dentatus

DeepLog2

Black drum

Pogonias cromis

DeepLog1

Black seabass

Centropristis striata

DeepLog1

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →

Photos