Marine Weather and Tide Forecast for Alva, FL
![]() | Sunrise 6:32 AM Sunset 8:24 PM Moonrise 9:46 PM Moonset 7:19 AM |
GMZ836 Charlotte Harbor And Pine Island Sound- 803 Pm Edt Fri Jun 13 2025
Tonight - South winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Showers likely this evening. Isolated Thunderstorms. Isolated showers after midnight.
Saturday - Southeast winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. Scattered showers and Thunderstorms in the afternoon.
Saturday night - Southeast winds 5 to 10 knots. Bay and inland waters light chop. Numerous showers. Scattered Thunderstorms, mainly in the evening.
Sunday - Southeast winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. Scattered showers with isolated Thunderstorms in the morning, then numerous showers and scattered Thunderstorms in the afternoon.
Sunday night - South winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Numerous showers. Scattered Thunderstorms, mainly in the evening.
Monday - Southeast winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. Isolated Thunderstorms. Scattered showers in the morning, then numerous showers in the afternoon.
Monday night - South winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Isolated Thunderstorms. Numerous showers, mainly in the evening.
Tuesday - Southeast winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. Isolated Thunderstorms. Isolated showers in the morning, then numerous showers in the afternoon.
Tuesday night - South winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Isolated Thunderstorms. Numerous showers, mainly in the evening.
Wednesday - Southeast winds around 10 knots, becoming south in the afternoon. Bay and inland waters light chop. Isolated Thunderstorms. Scattered showers in the morning, then numerous showers in the afternoon.
winds and waves higher in and near Thunderstorms.
winds and waves higher in and near Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 803 Pm Edt Fri Jun 13 2025
Synopsis - Southeasterly winds will mostly remain in control over the weekend and into next week as atlantic high pressure remains in control but winds will shift onshore during the afternoon hours as the sea breeze develops. Wind speeds will primarily remain around 10 kts with seas around 1-2 ft each day but wind speeds could reach slightly stronger at times. Scattered showers and Thunderstorms will also be possible daily, mostly in the overnight and morning hours before precipitation activity spreads over lands areas during the afternoon hours.
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7 Day Forecast for Marine Location Near Alva, FL

NEW! Add second zone forecast
Shell Point Click for Map Fri -- 01:15 AM EDT -0.25 feet Low Tide Fri -- 06:33 AM EDT Sunrise Fri -- 08:20 AM EDT Moonset Fri -- 04:50 PM EDT 2.46 feet High Tide Fri -- 08:22 PM EDT Sunset Fri -- 10:46 PM EDT Moonrise Tide / Current data from XTide NOT FOR NAVIGATION |   |
Shell Point, Peace River, Florida, Tide feet
12 am |
-0.1 |
1 am |
-0.2 |
2 am |
-0.2 |
3 am |
0 |
4 am |
0.3 |
5 am |
0.7 |
6 am |
0.9 |
7 am |
1.2 |
8 am |
1.3 |
9 am |
1.3 |
10 am |
1.3 |
11 am |
1.3 |
12 pm |
1.4 |
1 pm |
1.6 |
2 pm |
1.9 |
3 pm |
2.2 |
4 pm |
2.4 |
5 pm |
2.5 |
6 pm |
2.4 |
7 pm |
2.1 |
8 pm |
1.8 |
9 pm |
1.3 |
10 pm |
0.9 |
11 pm |
0.4 |
Punta Gorda Click for Map Fri -- 12:08 AM EDT -0.23 feet Low Tide Fri -- 06:33 AM EDT Sunrise Fri -- 08:20 AM EDT Moonset Fri -- 04:18 PM EDT 2.26 feet High Tide Fri -- 08:23 PM EDT Sunset Fri -- 10:47 PM EDT Moonrise Tide / Current data from XTide NOT FOR NAVIGATION |   |
Punta Gorda, Charlotte Harbor, Florida, Tide feet
12 am |
-0.2 |
1 am |
-0.2 |
2 am |
0 |
3 am |
0.3 |
4 am |
0.6 |
5 am |
0.9 |
6 am |
1 |
7 am |
1.1 |
8 am |
1.2 |
9 am |
1.2 |
10 am |
1.2 |
11 am |
1.3 |
12 pm |
1.4 |
1 pm |
1.7 |
2 pm |
1.9 |
3 pm |
2.1 |
4 pm |
2.2 |
5 pm |
2.2 |
6 pm |
2 |
7 pm |
1.7 |
8 pm |
1.3 |
9 pm |
0.8 |
10 pm |
0.4 |
11 pm |
0.1 |
Area Discussion for Tampa Bay, FL
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FXUS62 KTBW 140055 AFDTBW
Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 855 PM EDT Fri Jun 13 2025
New UPDATE, AVIATION
UPDATE
Upper level and surface ridging both remain in place over the state today, creating a stacked ridge with relatively strong southeasterly flow. This setup matches Florida Seabreeze Thunderstorm Regime 7, which requires a south to southeast flow pattern at greater than 10 knots. Regime 7 correlates with a higher chance of precipitation in the southern portions of our region, and along the west coast of Florida in general. Those conditions were observed today, as most activity has occurred in southwest Florida, along with some early activity around or north of Tampa that dissipated quickly. A likely reason why thunderstorm activity has struggled to form or persist this afternoon is the strong southeasterly flow across the state, as convection has moved too fast along the seabreeze boundary. There is a potential for more showers or storms to form over the next hours, but the lack of diurnal heating as night arrives will help quiet convection down. Looking ahead to tomorrow, current conditions should persist, and so similar activity to today is possible.
AVIATION
(00Z TAFS)
VFR conditions will mostly prevail through this forecast period, but over the next few hours, thunderstorms will be present in the vicinity, and so slight flight restrictions may be in place at some terminals with the potential for worse conditions. Activity should quiet down later tonight and remain so through tomorrow morning.
Tomorrow afternoon, showers or thunderstorms are once again likely along the seabreeze boundary in our area, and we could see parallels to today's activity as conditions remain consistent.
DISCUSSION
Issued at 245 PM EDT Fri Jun 13 2025
A dominant east coast sea breeze will continue to spread well inland through the remainder of the day with a collision occurring along the western side of the peninsula so another round of scattered convection is expected across the region. While precipitation coverage may be limited somewhat by the influence of ridging aloft, PWATs ranging from 1.7-1.9 inches and MLCAPE values around 1500-2000 could still support some deeper convection with mainly an isolated wind threat, though weak deep layer shear values will ultimately keep activity unorganized but we will still need to monitor for the development of any stronger cores aloft later today. Any precipitation across the region should then fizzle out by late evening over land areas with the loss of diurnal heating and the remainder of any overnight activity should be focused across the coastal waters with scattered low-topped showers and a few storms.
Upper level ridging in the SW Atlantic and over the peninsula will remain in control for the weekend as the surface ridge axis shifts slightly southward into central Florida. This will maintain the southeasterly flow regime with precipitation activity mostly offshore during the overnight and morning hours before increasing in coverage across the western side of the peninsula during the late afternoon and evening hours as the sea breezes collide. However, with a lack of forcing for ascent, weak shear, and poor mid level lapse rates, most of the activity should be below severe criteria but can't completely rule out a couple of stronger gusts with soundings showing that there should be a good amount of dry air in the mid levels.
The persistent mid level ridge in the SW Atlantic continues to dominate into next week as low level southeasterly flow continues to bring highest rain chances for land areas in the late afternoon and evening hours. However, it also appears that deeper moisture will be decreasing somewhat as a wave of Saharan dust drifts near or over portions of the area, though the positioning of the ridge will ultimately determine how close our area gets to the higher dust concentrations. Regardless, there should be at least some drier air aloft lingering into next week and with a lack of large scale forcing for ascent still remaining in place, overall precipitation coverage may be limited. Less precipitation coverage may also of course support warmer conditions given the potential for less cloud cover so as geopotential heights gradually rise into mid week, heat indices may approach advisory criteria at times towards the end of the forecast period.
MARINE
Issued at 245 PM EDT Fri Jun 13 2025
Southeasterly winds will mostly remain in control over the weekend and into next week as Atlantic high pressure remains in control but winds will shift onshore during the afternoon hours as the sea breeze develops. Wind speeds will primarily remain around 5-10 kts with seas around 1-2 ft each day but wind speeds could reach slightly stronger at times. Scattered showers and thunderstorms will also be possible daily, mostly in the overnight and morning hours before precipitation activity spreads over lands areas during the afternoon hours.
FIRE WEATHER
Issued at 245 PM EDT Fri Jun 13 2025
Abundant moisture across the area will keep minimum RH values well above critical levels with scattered showers and thunderstorms during the afternoon and evening hours each day as the sea breeze develops. Winds will mainly be out of the southeast at 5-10 mph through the weekend and into next week, though winds will shift onshore each day with the sea breeze with no fire weather concerns are expected at this time.
PRELIMINARY POINT TEMPS/POPS
TPA 78 92 78 92 / 60 40 50 70 FMY 75 92 75 93 / 50 50 30 70 GIF 76 93 75 93 / 60 50 20 70 SRQ 76 91 76 91 / 60 40 50 70 BKV 72 93 72 93 / 60 40 30 70 SPG 78 89 78 90 / 50 40 60 70
Sea Breeze Thunderstorm Regime For Saturday: 7 Sea Breeze Thunderstorm Regime For Sunday: 6
For additional information on sea breeze regimes, go to: https:// www.weather.gov/tbw/ThunderstormClimatology
TBW WATCHES/WARNINGS/ADVISORIES
FL...None.
Gulf waters...None.
Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 855 PM EDT Fri Jun 13 2025
New UPDATE, AVIATION
UPDATE
Upper level and surface ridging both remain in place over the state today, creating a stacked ridge with relatively strong southeasterly flow. This setup matches Florida Seabreeze Thunderstorm Regime 7, which requires a south to southeast flow pattern at greater than 10 knots. Regime 7 correlates with a higher chance of precipitation in the southern portions of our region, and along the west coast of Florida in general. Those conditions were observed today, as most activity has occurred in southwest Florida, along with some early activity around or north of Tampa that dissipated quickly. A likely reason why thunderstorm activity has struggled to form or persist this afternoon is the strong southeasterly flow across the state, as convection has moved too fast along the seabreeze boundary. There is a potential for more showers or storms to form over the next hours, but the lack of diurnal heating as night arrives will help quiet convection down. Looking ahead to tomorrow, current conditions should persist, and so similar activity to today is possible.
AVIATION
(00Z TAFS)
VFR conditions will mostly prevail through this forecast period, but over the next few hours, thunderstorms will be present in the vicinity, and so slight flight restrictions may be in place at some terminals with the potential for worse conditions. Activity should quiet down later tonight and remain so through tomorrow morning.
Tomorrow afternoon, showers or thunderstorms are once again likely along the seabreeze boundary in our area, and we could see parallels to today's activity as conditions remain consistent.
DISCUSSION
Issued at 245 PM EDT Fri Jun 13 2025
A dominant east coast sea breeze will continue to spread well inland through the remainder of the day with a collision occurring along the western side of the peninsula so another round of scattered convection is expected across the region. While precipitation coverage may be limited somewhat by the influence of ridging aloft, PWATs ranging from 1.7-1.9 inches and MLCAPE values around 1500-2000 could still support some deeper convection with mainly an isolated wind threat, though weak deep layer shear values will ultimately keep activity unorganized but we will still need to monitor for the development of any stronger cores aloft later today. Any precipitation across the region should then fizzle out by late evening over land areas with the loss of diurnal heating and the remainder of any overnight activity should be focused across the coastal waters with scattered low-topped showers and a few storms.
Upper level ridging in the SW Atlantic and over the peninsula will remain in control for the weekend as the surface ridge axis shifts slightly southward into central Florida. This will maintain the southeasterly flow regime with precipitation activity mostly offshore during the overnight and morning hours before increasing in coverage across the western side of the peninsula during the late afternoon and evening hours as the sea breezes collide. However, with a lack of forcing for ascent, weak shear, and poor mid level lapse rates, most of the activity should be below severe criteria but can't completely rule out a couple of stronger gusts with soundings showing that there should be a good amount of dry air in the mid levels.
The persistent mid level ridge in the SW Atlantic continues to dominate into next week as low level southeasterly flow continues to bring highest rain chances for land areas in the late afternoon and evening hours. However, it also appears that deeper moisture will be decreasing somewhat as a wave of Saharan dust drifts near or over portions of the area, though the positioning of the ridge will ultimately determine how close our area gets to the higher dust concentrations. Regardless, there should be at least some drier air aloft lingering into next week and with a lack of large scale forcing for ascent still remaining in place, overall precipitation coverage may be limited. Less precipitation coverage may also of course support warmer conditions given the potential for less cloud cover so as geopotential heights gradually rise into mid week, heat indices may approach advisory criteria at times towards the end of the forecast period.
MARINE
Issued at 245 PM EDT Fri Jun 13 2025
Southeasterly winds will mostly remain in control over the weekend and into next week as Atlantic high pressure remains in control but winds will shift onshore during the afternoon hours as the sea breeze develops. Wind speeds will primarily remain around 5-10 kts with seas around 1-2 ft each day but wind speeds could reach slightly stronger at times. Scattered showers and thunderstorms will also be possible daily, mostly in the overnight and morning hours before precipitation activity spreads over lands areas during the afternoon hours.
FIRE WEATHER
Issued at 245 PM EDT Fri Jun 13 2025
Abundant moisture across the area will keep minimum RH values well above critical levels with scattered showers and thunderstorms during the afternoon and evening hours each day as the sea breeze develops. Winds will mainly be out of the southeast at 5-10 mph through the weekend and into next week, though winds will shift onshore each day with the sea breeze with no fire weather concerns are expected at this time.
PRELIMINARY POINT TEMPS/POPS
TPA 78 92 78 92 / 60 40 50 70 FMY 75 92 75 93 / 50 50 30 70 GIF 76 93 75 93 / 60 50 20 70 SRQ 76 91 76 91 / 60 40 50 70 BKV 72 93 72 93 / 60 40 30 70 SPG 78 89 78 90 / 50 40 60 70
Sea Breeze Thunderstorm Regime For Saturday: 7 Sea Breeze Thunderstorm Regime For Sunday: 6
For additional information on sea breeze regimes, go to: https:// www.weather.gov/tbw/ThunderstormClimatology
TBW WATCHES/WARNINGS/ADVISORIES
FL...None.
Gulf waters...None.
Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
FMRF1 - 8725520 - Fort Myers, FL | 25 mi | 49 min | E 1.9G | 84°F | 89°F | 30.09 |
Wind History for Fort Myers, FL
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