Marshall Island water temp
This data the coastal Marshall Island ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Current ocean temperature in Marshall Island
Water temperature in Marshall Island today is 58.8°F. Based on our historical data over a period of ten years, the warmest water in this day in Marshall Island was recorded in 2018 and was 59.5°F, and the coldest was recorded in 2017 at 54.7°F. Sea water temperature in Marshall Island is expected to drop to 57°F in the next 10 days. September average water temperature in Marshall Island is 56.8°F, the minimum temperature is 53.4°F, and the maximum is 62.8°F.
Throughout the year, the water temperature in Marshall Island does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Marshall Island in winter reaches 42.8°F, in spring 41.4°F, in summer the average temperature rises to 55°F, and in autumn it is 53.8°F.
Marshall Island water temperature now
| September 5, 2025 |
|---|
| today temp |
| 58.8°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 58.8°F |
Surf Forecast in Marshall Island for today
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Marshall Island. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Marshall Island. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 2' 5" | 2' 7" | 2' 7" | 2' 8" |
| 0.73 m | 0.78 m | 0.8 m | 0.82 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 10" | 3' 1" | 3' 7" | 4' 6" |
| 0.87 m | 0.95 m | 1.08 m | 1.37 m |
Surf report in Marshall Island
Marshall Island weather forecast
Current temperature and weather
Data in a table show Marshall Island temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Marshall Island.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  | |
| 59°F | 59°F | 58.1°F | 58.8°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 59.5°F | 60.1°F | 60.4°F | 60.4°F |
You may also be interested in other sections of our site for Marshall Island: Sunrise and Sunset
Marshall Island water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Marshall Island. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Marshall Island on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 42.3°F | 37.9°F | 46.4°F | cold |
| Ocean water temperature in Marshall Island in January | ||||
| February | 39.6°F | 35.6°F | 43.7°F | cold |
| Ocean water temperature in Marshall Island in February | ||||
| March | 38.5°F | 34.3°F | 43.2°F | cold |
| Ocean water temperature in Marshall Island in March | ||||
| April | 40.5°F | 36.1°F | 46°F | cold |
| Ocean water temperature in Marshall Island in April | ||||
| May | 45.3°F | 39.6°F | 52°F | cold |
| Ocean water temperature in Marshall Island in May | ||||
| June | 50.7°F | 45.5°F | 57°F | cold |
| Ocean water temperature in Marshall Island in June | ||||
| July | 55.9°F | 48.4°F | 62.1°F | cold |
| Ocean water temperature in Marshall Island in July | ||||
| August | 58.3°F | 54.5°F | 65.5°F | cold |
| Ocean water temperature in Marshall Island in August | ||||
| September | 56.8°F | 53.4°F | 62.8°F | cold |
| Ocean water temperature in Marshall Island in September | ||||
| October | 54.1°F | 49.3°F | 58.5°F | cold |
| Ocean water temperature in Marshall Island in October | ||||
| November | 50.5°F | 45.7°F | 55°F | cold |
| Ocean water temperature in Marshall Island in November | ||||
| December | 46.4°F | 41.2°F | 51.1°F | cold |
| Ocean water temperature in Marshall Island in December | ||||
Chart monthly average water temperature in Marshall Island
