XtremeGator · Sea Report SEA REPORT · No. 108 TIDE. WIND. WAVE. GO!
SAT, JUL 18 · 5:00 AM ET South Pointe Pier · South Beach
Today's Verdict · Recommended Sport

GO. SNORKEL.

Best Window
06:00 – 11:00ET · 5 HOURS

Best window 06:00 – 11:00 ET — Snorkel scores 7.3/10. Wind avg 9 kt, swell 0.8ft, visibility est 32ft.

7.3/ 10
Wave
0.9FT
3.3s · SE 131°
Wind
9KT
SE 141° · Gust 17
Tide
FALLING
High 13:34 est. · 2.1ft
Water / Vis.
90°F
Viz 32ft est · Air 85°
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02 / Sun & Moon

SUN & MOON.

Visibility arcs · live lunar phase
SUN
13:25
DAYLIGHT
SUNRISE 06:34 SUNSET 19:59
Rise
06:34
Noon
13:17
Set
19:59
MOON
0%
ILLUMINATED
MOONRISE 10:02 MOONSET 00:12+1
Rise
10:02
Phase
New Moon
Set
00:12+1
Next full · in 13 days
03 / Today at a glance

TODAY, NOW.

Updated 04:58 ET
Source · NOAA + Open-Meteo Marine
Wave height
0.9FT
Period 3.3s · From SE (131°) · Clean & ordered
Wind
12KT
Gust 17 kt · SE 138°
N
Tide
FALLING
Next high 13:34 est. · 2.1ft
Next low 07:16 est. · -0.2ft
Air / Water
85°F AIR
Water 90°F · 32.0°C
Feels 82°F · Humidity 74%
UV Index
9/ 11
VERY HIGH · Peak 13:20
Burn time ≈ 20 min
Vis · Underwater
32FT
Turbidity LOW · Plankton OK
Last diver report · Yesterday 16:00
Daylight
06:36
↑ Sunrise
20:01
↓ Sunset
Daylight 13h25m · Civil dawn 06:14
02 / Today's Headlines

TODAY'S NUMBERS.

The 4 critical numbers, full-size
NOAA + Open-Meteo · 05:00 ET
Air Temp
84°F
Feels 85°
Water Temp
89°F
32.0°C · Vis 32ft
Wave
0.9FT
3.3s · SE 131°
UV Index
7/11
HIGH · peak 14:00
03 / Sport-by-sport verdict

GO / NO-GO.

6 disciplines
Best window highlighted · 05–22h
Snorkeling
IDEAL SCORE · 7.3 / 10
Best window 09:00–11:30 AM — slack high tide brings clarity to 45ft, light SE breeze keeps the chop down, surface temp 79°F. Reef shelf at 12ft is calm enough for kids and first-timers.
05 · 09 · 13 · 17 · 21 h 06:00 → 11:00
Scuba
FAIR SCORE · 5.0 / 10
Best window 10:00 AM–01:00 PM — visibility 48ft at 35ft, current 0.4 kt drifting N, thermocline mild. Boat ramp at Government Cut accessible — small craft advisory cleared at 07:00.
05 · 09 · 13 · 17 · 21 h 06:00 → 21:00
SUP
FAIR SCORE · 4.3 / 10
Early window 06:30–08:30 only. Glass before sunrise. Wind picks up after 09:00 from the SE at 14+ kt — paddle out before then or shift to the bay (Maurice Gibb Park flat all day).
05 · 09 · 13 · 17 · 21 h 08:00 → 09:00
Kayak
IDEAL SCORE · 7.3 / 10
All-day green on the bay side. Launch from Crandon or Oleta — wind cross-shore at 11 kt is manageable. Ocean side fine until 13:00 then chop builds. Bring 2L water — UV peaks 9.
05 · 09 · 13 · 17 · 21 h 06:00 → 11:00
Freediving
FAIR SCORE · 4.3 / 10
Slack high only — 10:30–11:30 AM. Vis OK at 42ft but a 0.9 kt south-running current on either side of slack. Buddy mandatory. Government Cut closed to recreational dives until 16:00 (ship traffic).
05 · 09 · 13 · 17 · 21 h 08:00 → 09:00
Open-Water
Swim
IDEAL SCORE · 7.3 / 10
Best window 06:00–09:30 AM — flat water before the wind picks up, light SE breeze at 7 kt, water 79°F comfortable without wetsuit. Buoy line from South Pointe to Government Cut marks the safe lane. Bring a tow float if solo. No jellyfish advisory.
05 · 09 · 13 · 17 · 21 h 06:00 → 11:00
04 / Tide · 5 days · drag chart

THE TIDE.

NOAA Station 8723214 · Virginia Key
MLLW datum · feet · 30-min res
SAT 18 SUN 19 MON 20 TUE 21 WED 22 2.2ft 01:02 -0.2ft 07:16 2.1ft 13:34 0.0ft 19:38 2.1ft 01:50 -0.1ft 08:08 2.0ft 14:28 0.2ft 20:30 1.9ft 02:40 -0.0ft 09:02 1.9ft 15:24 0.3ft 21:24 1.8ft 03:34 0.0ft 09:56 1.9ft 16:22 0.4ft 22:20 1.7ft 04:28 0.1ft 10:54 1.8ft 17:20 0.5ft 23:20 NOW 05:00
Currently RISING+0.4 ft/h → slack at 09:58
Range today 2.6FT MEAN spring · new moon +2
Best slack 10:00±30 m cleanest visibility window
Current vel 0.8KT N drifting toward Government Cut
05 / Hourly meteogram · 6 days

HOUR BY HOUR · 6 DAYS.

Open-Meteo Marine + Forecast
2-hour resolution · drag to scroll
DRAG TO SEE THE NEXT DAYS
05L / Wave · Wind · Swell (legacy fallback)

WAVE · WIND · SWELL.

Hidden in v4 — meteogram supersedes
4 ft 3 ft 2 ft 1 ft 3.1 ft 8.2s 8.5s 9.0s 9.4s 9.1s 8.7s 05h 09h 13h 17h 21h 01h 04h
Wave height (ft) Wind speed (kt) Daily peak Period labels at axis · seconds
Peak wave
3.1FT · 17:00
Mean period
8.9S
Peak wind
15KT · 20:00
Dominant swell
ESE112°
07 / Long view

THE WEEK AHEAD.

Thu · Fri · Sat · Sun
Composite verdict = worst of 5
08 / Archive

PAST 7 DAYS.

Past bulletins · living archive