18 (月)	05:14	10:48	16:35	23:11
	132cm	54cm	143cm	2cm
大潮 出 06:22 入 17:25 出 17:34 入 05:53

上総勝浦（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	14.1	↑3.1
2/18 00:10	17.6	↑3.5
2/18 00:20	21.4	↑3.8
2/18 00:30	25.4	↑4.0
2/18 00:40	29.7	↑4.3
2/18 00:50	34.3	↑4.6
2/18 01:00	39.0	↑4.7
2/18 01:10	43.9	↑4.9
2/18 01:20	49.0	↑5.1
2/18 01:30	54.1	↑5.1
2/18 01:40	59.3	↑5.2
2/18 01:50	64.6	↑5.3
2/18 02:00	69.9	↑5.3
2/18 02:10	75.1	↑5.2
2/18 02:20	80.2	↑5.1
2/18 02:30	85.3	↑5.1
2/18 02:40	90.2	↑4.9
2/18 02:50	95.0	↑4.8
2/18 03:00	99.6	↑4.6
2/18 03:10	103.9	↑4.3
2/18 03:20	108.0	↑4.1
2/18 03:30	111.9	↑3.9
2/18 03:40	115.4	↑3.5
2/18 03:50	118.7	↑3.3
2/18 04:00	121.6	↑2.9
2/18 04:10	124.2	↑2.6
2/18 04:20	126.4	↑2.2
2/18 04:30	128.2	↑1.8
2/18 04:40	129.6	↑1.4
2/18 04:50	130.7	↑1.1
2/18 05:00	131.4	↑0.7
2/18 05:10	131.7	↑0.3	満潮
2/18 05:20	131.7	0
2/18 05:30	131.2	↓-0.5
2/18 05:40	130.5	↓-0.7
2/18 05:50	129.3	↓-1.2
2/18 06:00	127.8	↓-1.5
2/18 06:10	126.0	↓-1.8
2/18 06:20	123.9	↓-2.1
2/18 06:30	121.6	↓-2.3
2/18 06:40	119.0	↓-2.6
2/18 06:50	116.1	↓-2.9
2/18 07:00	113.0	↓-3.1
2/18 07:10	109.8	↓-3.2
2/18 07:20	106.4	↓-3.4
2/18 07:30	102.9	↓-3.5
2/18 07:40	99.3	↓-3.6
2/18 07:50	95.7	↓-3.6
2/18 08:00	92.0	↓-3.7
2/18 08:10	88.4	↓-3.6
2/18 08:20	84.8	↓-3.6
2/18 08:30	81.2	↓-3.6
2/18 08:40	77.8	↓-3.4
2/18 08:50	74.5	↓-3.3
2/18 09:00	71.3	↓-3.2
2/18 09:10	68.3	↓-3.0
2/18 09:20	65.6	↓-2.7
2/18 09:30	63.0	↓-2.6
2/18 09:40	60.8	↓-2.2
2/18 09:50	58.8	↓-2.0
2/18 10:00	57.1	↓-1.7
2/18 10:10	55.7	↓-1.4
2/18 10:20	54.6	↓-1.1
2/18 10:30	53.8	↓-0.8
2/18 10:40	53.4	↓-0.4	干潮
2/18 10:50	53.3	↓-0.1
2/18 11:00	53.6	↑0.3
2/18 11:10	54.2	↑0.6
2/18 11:20	55.2	↑1.0
2/18 11:30	56.5	↑1.3
2/18 11:40	58.1	↑1.6
2/18 11:50	60.0	↑1.9
2/18 12:00	62.2	↑2.2
2/18 12:10	64.7	↑2.5
2/18 12:20	67.5	↑2.8
2/18 12:30	70.5	↑3.0
2/18 12:40	73.7	↑3.2
2/18 12:50	77.1	↑3.4
2/18 13:00	80.7	↑3.6
2/18 13:10	84.5	↑3.8
2/18 13:20	88.3	↑3.8
2/18 13:30	92.2	↑3.9
2/18 13:40	96.2	↑4.0
2/18 13:50	100.2	↑4.0
2/18 14:00	104.2	↑4.0
2/18 14:10	108.2	↑4.0
2/18 14:20	112.0	↑3.8
2/18 14:30	115.8	↑3.8
2/18 14:40	119.4	↑3.6
2/18 14:50	122.9	↑3.5
2/18 15:00	126.1	↑3.2
2/18 15:10	129.2	↑3.1
2/18 15:20	131.9	↑2.7
2/18 15:30	134.4	↑2.5
2/18 15:40	136.6	↑2.2
2/18 15:50	138.4	↑1.8
2/18 16:00	139.9	↑1.5
2/18 16:10	141.0	↑1.1
2/18 16:20	141.8	↑0.8
2/18 16:30	142.1	↑0.3	満潮
2/18 16:40	142.1	0
2/18 16:50	141.6	↓-0.5
2/18 17:00	140.8	↓-0.8
2/18 17:10	139.5	↓-1.3
2/18 17:20	137.8	↓-1.7
2/18 17:30	135.7	↓-2.1
2/18 17:40	133.3	↓-2.4
2/18 17:50	130.4	↓-2.9
2/18 18:00	127.2	↓-3.2
2/18 18:10	123.6	↓-3.6
2/18 18:20	119.7	↓-3.9
2/18 18:30	115.5	↓-4.2
2/18 18:40	111.0	↓-4.5
2/18 18:50	106.3	↓-4.7
2/18 19:00	101.3	↓-5.0
2/18 19:10	96.2	↓-5.1
2/18 19:20	90.9	↓-5.3
2/18 19:30	85.4	↓-5.5
2/18 19:40	79.9	↓-5.5
2/18 19:50	74.3	↓-5.6
2/18 20:00	68.6	↓-5.7	最大潮位差
2/18 20:10	63.0	↓-5.6
2/18 20:20	57.5	↓-5.5
2/18 20:30	52.0	↓-5.5
2/18 20:40	46.6	↓-5.4
2/18 20:50	41.4	↓-5.2
2/18 21:00	36.4	↓-5.0
2/18 21:10	31.6	↓-4.8
2/18 21:20	27.1	↓-4.5
2/18 21:30	22.9	↓-4.2
2/18 21:40	18.9	↓-4.0
2/18 21:50	15.4	↓-3.5
2/18 22:00	12.1	↓-3.3
2/18 22:10	9.3	↓-2.8
2/18 22:20	6.9	↓-2.4
2/18 22:30	4.9	↓-2.0
2/18 22:40	3.3	↓-1.6
2/18 22:50	2.2	↓-1.1
2/18 23:00	1.5	↓-0.7
2/18 23:10	1.3	↓-0.2	干潮
2/18 23:20	1.5	↑0.2
2/18 23:30	2.2	↑0.7
2/18 23:40	3.4	↑1.2
2/18 23:50	5.0	↑1.6