Helm — Waterway Advisor
Chesapeake Region
Beta v1.0

Baltimore Harbor / Patapsco

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Conditions

Wednesday, August 5

Light

short chop, light breeze.

0.9 ft

Max waves

Morning

Light

0.1-0.5 ft

Afternoon

Light

0.5-0.9 ft

Evening

Light

0.3-0.5 ft

Best window

8 AM – 9 AM

Lowest waves and lightest wind.

Wind

3-7 kt from the SE

Gusts to 12 kt

Sky

Thunderstorms

Air temp

83°F

Water temp

81°F

Jellyfish

Medium

Match the water?

Today, Wednesday, August 5

8a

9a

10a

11a

12p

1p

2p

3p

4p

5p

6p

7p

8p

9p

Sky

Rain

67%
75%
65%
55%
50%
57%
45%
42%
47%
47%
28%
19%
9%
13%

Thunder

Wind (kt)

3
6
6
5
6
6
7
7
7
7
7
7
6
6

Seas (ft)

0.1
0.5
0.5
0.4
0.5
0.8
0.9
0.9
0.5
0.5
0.5
0.5
0.4
0.3

Tide

Tide Details

Higher than normal · about 1 ft above normal

Shallow spots are deeper than usual; less clearance under a fixed pier.

Rising, turns in ~2 hHigh 12 PM · Low 6 PM

2.0 ft MLLW · Baltimore gauge, 3.6 nm away

Dashed line is the predicted tide; solid is what the gauge measured. The gap between them is the wind.

Route Planner

Plan your run

Compare departure times, find the roughest stretch, and choose the best destination.

Departure

Destination

Open Route Planner

Where could you run today?

Each stretch scored at the time you would pass it, leaving now at 18 kt.