18 (月)	05:34	11:14	17:00	23:31
	146cm	61cm	151cm	18cm
大潮 出 06:25 入 17:27 出 17:36 入 05:55

岩井袋（千葉）2030年02月18日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/18 00:00	21.8	↑2.4
2/18 00:10	24.5	↑2.7
2/18 00:20	27.5	↑3.0
2/18 00:30	30.9	↑3.4
2/18 00:40	34.6	↑3.7
2/18 00:50	38.7	↑4.1
2/18 01:00	42.9	↑4.2
2/18 01:10	47.4	↑4.5
2/18 01:20	52.2	↑4.8
2/18 01:30	57.1	↑4.9
2/18 01:40	62.1	↑5.0
2/18 01:50	67.2	↑5.1
2/18 02:00	72.4	↑5.2
2/18 02:10	77.7	↑5.3
2/18 02:20	83.0	↑5.3
2/18 02:30	88.2	↑5.2
2/18 02:40	93.4	↑5.2
2/18 02:50	98.5	↑5.1
2/18 03:00	103.4	↑4.9
2/18 03:10	108.2	↑4.8
2/18 03:20	112.9	↑4.7
2/18 03:30	117.2	↑4.3
2/18 03:40	121.4	↑4.2
2/18 03:50	125.3	↑3.9
2/18 04:00	128.9	↑3.6
2/18 04:10	132.1	↑3.2
2/18 04:20	135.1	↑3.0
2/18 04:30	137.6	↑2.5
2/18 04:40	139.9	↑2.3
2/18 04:50	141.7	↑1.8
2/18 05:00	143.2	↑1.5
2/18 05:10	144.3	↑1.1
2/18 05:20	145.0	↑0.7
2/18 05:30	145.3	↑0.3	満潮
2/18 05:40	145.2	↓-0.1
2/18 05:50	144.7	↓-0.5
2/18 06:00	143.9	↓-0.8
2/18 06:10	142.7	↓-1.2
2/18 06:20	141.1	↓-1.6
2/18 06:30	139.2	↓-1.9
2/18 06:40	137.1	↓-2.1
2/18 06:50	134.6	↓-2.5
2/18 07:00	131.8	↓-2.8
2/18 07:10	128.9	↓-2.9
2/18 07:20	125.6	↓-3.3
2/18 07:30	122.3	↓-3.3
2/18 07:40	118.7	↓-3.6
2/18 07:50	115.0	↓-3.7
2/18 08:00	111.3	↓-3.7
2/18 08:10	107.4	↓-3.9
2/18 08:20	103.6	↓-3.8
2/18 08:30	99.7	↓-3.9
2/18 08:40	95.9	↓-3.8
2/18 08:50	92.1	↓-3.8
2/18 09:00	88.4	↓-3.7
2/18 09:10	84.9	↓-3.5
2/18 09:20	81.5	↓-3.4
2/18 09:30	78.3	↓-3.2
2/18 09:40	75.2	↓-3.1
2/18 09:50	72.5	↓-2.7
2/18 10:00	70.0	↓-2.5
2/18 10:10	67.7	↓-2.3
2/18 10:20	65.8	↓-1.9
2/18 10:30	64.2	↓-1.6
2/18 10:40	62.8	↓-1.4
2/18 10:50	61.9	↓-0.9
2/18 11:00	61.3	↓-0.6
2/18 11:10	61.0	↓-0.3	干潮
2/18 11:20	61.1	↑0.1
2/18 11:30	61.5	↑0.4
2/18 11:40	62.3	↑0.8
2/18 11:50	63.4	↑1.1
2/18 12:00	64.9	↑1.5
2/18 12:10	66.7	↑1.8
2/18 12:20	68.8	↑2.1
2/18 12:30	71.2	↑2.4
2/18 12:40	73.8	↑2.6
2/18 12:50	76.8	↑3.0
2/18 13:00	80.0	↑3.2
2/18 13:10	83.3	↑3.3
2/18 13:20	86.9	↑3.6
2/18 13:30	90.6	↑3.7
2/18 13:40	94.5	↑3.9
2/18 13:50	98.4	↑3.9
2/18 14:00	102.4	↑4.0
2/18 14:10	106.4	↑4.0
2/18 14:20	110.4	↑4.0
2/18 14:30	114.4	↑4.0
2/18 14:40	118.4	↑4.0
2/18 14:50	122.2	↑3.8
2/18 15:00	125.9	↑3.7
2/18 15:10	129.4	↑3.5
2/18 15:20	132.8	↑3.4
2/18 15:30	135.9	↑3.1
2/18 15:40	138.8	↑2.9
2/18 15:50	141.4	↑2.6
2/18 16:00	143.7	↑2.3
2/18 16:10	145.7	↑2.0
2/18 16:20	147.4	↑1.7
2/18 16:30	148.7	↑1.3
2/18 16:40	149.6	↑0.9
2/18 16:50	150.1	↑0.5	満潮
2/18 17:00	150.3	↑0.2	満潮
2/18 17:10	150.1	↓-0.2
2/18 17:20	149.4	↓-0.7
2/18 17:30	148.4	↓-1.0
2/18 17:40	147.0	↓-1.4
2/18 17:50	145.1	↓-1.9
2/18 18:00	142.9	↓-2.2
2/18 18:10	140.3	↓-2.6
2/18 18:20	137.4	↓-2.9
2/18 18:30	134.1	↓-3.3
2/18 18:40	130.5	↓-3.6
2/18 18:50	126.6	↓-3.9
2/18 19:00	122.4	↓-4.2
2/18 19:10	118.0	↓-4.4
2/18 19:20	113.3	↓-4.7
2/18 19:30	108.4	↓-4.9
2/18 19:40	103.4	↓-5.0
2/18 19:50	98.3	↓-5.1
2/18 20:00	93.0	↓-5.3
2/18 20:10	87.7	↓-5.3
2/18 20:20	82.3	↓-5.4	最大潮位差
2/18 20:30	77.0	↓-5.3
2/18 20:40	71.7	↓-5.3
2/18 20:50	66.5	↓-5.2
2/18 21:00	61.3	↓-5.2
2/18 21:10	56.4	↓-4.9
2/18 21:20	51.6	↓-4.8
2/18 21:30	47.0	↓-4.6
2/18 21:40	42.7	↓-4.3
2/18 21:50	38.6	↓-4.1
2/18 22:00	34.8	↓-3.8
2/18 22:10	31.4	↓-3.4
2/18 22:20	28.3	↓-3.1
2/18 22:30	25.5	↓-2.8
2/18 22:40	23.2	↓-2.3
2/18 22:50	21.3	↓-1.9
2/18 23:00	19.7	↓-1.6
2/18 23:10	18.6	↓-1.1
2/18 23:20	18.0	↓-0.6
2/18 23:30	17.7	↓-0.3	干潮
2/18 23:40	17.9	↑0.2
2/18 23:50	18.6	↑0.7