feat: add minor inference for long period tides to address #327

[tsutterley]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 16.25000% with 67 lines in your changes missing coverage. Please review.

Project coverage is 72.09%. Comparing base (bd3d702) to head (8c74479).
Report is 11 commits behind head on main.

Files with missing lines	Patch %	Lines
pyTMD/predict.py	15.25%	49 Missing and 1 partial ⚠️
pyTMD/arguments.py	6.25%	15 Missing ⚠️
pyTMD/io/model.py	60.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #342      +/-   ##
==========================================
+ Coverage   71.65%   72.09%   +0.43%     
==========================================
  Files          39       39              
  Lines       11042    10417     -625     
  Branches     1522     1395     -127     
==========================================
- Hits         7912     7510     -402     
+ Misses       2632     2440     -192     
+ Partials      498      467      -31     

Flag	Coverage Δ
unittests	72.09% <16.25%> (+0.43%)	⬆️

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