19 (木)	02:35	07:23	12:41	20:10
	100cm	77cm	111cm	6cm
中潮 出 06:22 入 17:24 出 14:01 入 03:25

那珂湊（茨城）2054年02月19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
2/19 00:00	79.2	↑2.6
2/19 00:10	81.7	↑2.5
2/19 00:20	84.0	↑2.3
2/19 00:30	86.2	↑2.2
2/19 00:40	88.3	↑2.1
2/19 00:50	90.1	↑1.8
2/19 01:00	91.9	↑1.8
2/19 01:10	93.4	↑1.5
2/19 01:20	94.8	↑1.4
2/19 01:30	96.0	↑1.2
2/19 01:40	97.0	↑1.0
2/19 01:50	97.8	↑0.8
2/19 02:00	98.5	↑0.7
2/19 02:10	99.0	↑0.5
2/19 02:20	99.3	↑0.3
2/19 02:30	99.4	↑0.1	満潮
2/19 02:40	99.4	0
2/19 02:50	99.2	↓-0.2
2/19 03:00	98.9	↓-0.3
2/19 03:10	98.5	↓-0.4
2/19 03:20	97.9	↓-0.6
2/19 03:30	97.2	↓-0.7
2/19 03:40	96.4	↓-0.8
2/19 03:50	95.5	↓-0.9
2/19 04:00	94.5	↓-1.0
2/19 04:10	93.5	↓-1.0
2/19 04:20	92.4	↓-1.1
2/19 04:30	91.2	↓-1.2
2/19 04:40	90.0	↓-1.2
2/19 04:50	88.8	↓-1.2
2/19 05:00	87.6	↓-1.2
2/19 05:10	86.4	↓-1.2
2/19 05:20	85.2	↓-1.2
2/19 05:30	84.1	↓-1.1
2/19 05:40	83.0	↓-1.1
2/19 05:50	81.9	↓-1.1
2/19 06:00	80.9	↓-1.0
2/19 06:10	80.0	↓-0.9
2/19 06:20	79.2	↓-0.8
2/19 06:30	78.5	↓-0.7
2/19 06:40	77.9	↓-0.6
2/19 06:50	77.4	↓-0.5
2/19 07:00	77.1	↓-0.3
2/19 07:10	76.9	↓-0.2
2/19 07:20	76.8	↓-0.1	干潮
2/19 07:30	76.8	0
2/19 07:40	77.0	↑0.2
2/19 07:50	77.3	↑0.3
2/19 08:00	77.8	↑0.5
2/19 08:10	78.4	↑0.6
2/19 08:20	79.1	↑0.7
2/19 08:30	80.0	↑0.9
2/19 08:40	81.0	↑1.0
2/19 08:50	82.1	↑1.1
2/19 09:00	83.3	↑1.2
2/19 09:10	84.7	↑1.4
2/19 09:20	86.1	↑1.4
2/19 09:30	87.5	↑1.4
2/19 09:40	89.1	↑1.6
2/19 09:50	90.7	↑1.6
2/19 10:00	92.3	↑1.6
2/19 10:10	93.9	↑1.6
2/19 10:20	95.6	↑1.7
2/19 10:30	97.2	↑1.6
2/19 10:40	98.8	↑1.6
2/19 10:50	100.4	↑1.6
2/19 11:00	101.9	↑1.5
2/19 11:10	103.3	↑1.4
2/19 11:20	104.6	↑1.3
2/19 11:30	105.8	↑1.2
2/19 11:40	106.9	↑1.1
2/19 11:50	107.8	↑0.9
2/19 12:00	108.6	↑0.8
2/19 12:10	109.3	↑0.7
2/19 12:20	109.8	↑0.5
2/19 12:30	110.0	↑0.2
2/19 12:40	110.1	↑0.1	満潮
2/19 12:50	110.0	↓-0.1
2/19 13:00	109.7	↓-0.3
2/19 13:10	109.2	↓-0.5
2/19 13:20	108.4	↓-0.8
2/19 13:30	107.5	↓-0.9
2/19 13:40	106.3	↓-1.2
2/19 13:50	104.9	↓-1.4
2/19 14:00	103.3	↓-1.6
2/19 14:10	101.5	↓-1.8
2/19 14:20	99.5	↓-2.0
2/19 14:30	97.2	↓-2.3
2/19 14:40	94.8	↓-2.4
2/19 14:50	92.2	↓-2.6
2/19 15:00	89.4	↓-2.8
2/19 15:10	86.5	↓-2.9
2/19 15:20	83.4	↓-3.1
2/19 15:30	80.2	↓-3.2
2/19 15:40	76.8	↓-3.4
2/19 15:50	73.4	↓-3.4
2/19 16:00	69.9	↓-3.5
2/19 16:10	66.2	↓-3.7
2/19 16:20	62.6	↓-3.6
2/19 16:30	58.9	↓-3.7
2/19 16:40	55.1	↓-3.8	最大潮位差
2/19 16:50	51.4	↓-3.7
2/19 17:00	47.7	↓-3.7
2/19 17:10	44.1	↓-3.6
2/19 17:20	40.5	↓-3.6
2/19 17:30	36.9	↓-3.6
2/19 17:40	33.5	↓-3.4
2/19 17:50	30.2	↓-3.3
2/19 18:00	27.0	↓-3.2
2/19 18:10	24.0	↓-3.0
2/19 18:20	21.2	↓-2.8
2/19 18:30	18.5	↓-2.7
2/19 18:40	16.1	↓-2.4
2/19 18:50	13.9	↓-2.2
2/19 19:00	11.9	↓-2.0
2/19 19:10	10.1	↓-1.8
2/19 19:20	8.7	↓-1.4
2/19 19:30	7.4	↓-1.3
2/19 19:40	6.5	↓-0.9
2/19 19:50	5.8	↓-0.7
2/19 20:00	5.4	↓-0.4	干潮
2/19 20:10	5.3	↓-0.1	干潮
2/19 20:20	5.5	↑0.2
2/19 20:30	6.0	↑0.5
2/19 20:40	6.7	↑0.7
2/19 20:50	7.8	↑1.1
2/19 21:00	9.1	↑1.3
2/19 21:10	10.6	↑1.5
2/19 21:20	12.5	↑1.9
2/19 21:30	14.5	↑2.0
2/19 21:40	16.8	↑2.3
2/19 21:50	19.4	↑2.6
2/19 22:00	22.1	↑2.7
2/19 22:10	25.0	↑2.9
2/19 22:20	28.1	↑3.1
2/19 22:30	31.3	↑3.2
2/19 22:40	34.7	↑3.4
2/19 22:50	38.1	↑3.4
2/19 23:00	41.7	↑3.6
2/19 23:10	45.3	↑3.6
2/19 23:20	49.0	↑3.7
2/19 23:30	52.7	↑3.7
2/19 23:40	56.4	↑3.7
2/19 23:50	60.1	↑3.7