19 (月)	06:52	00:30	19:48	13:24
	111cm	48cm	90cm	34cm
小潮 出 06:21 入 17:24 出 08:43 入 22:53

那珂湊（茨城）2029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	48.1	↓-0.7
2/19 00:10	47.6	↓-0.5
2/19 00:20	47.3	↓-0.3	干潮
2/19 00:30	47.2	↓-0.1	干潮
2/19 00:40	47.3	↑0.1
2/19 00:50	47.7	↑0.4
2/19 01:00	48.2	↑0.5
2/19 01:10	49.0	↑0.8
2/19 01:20	50.0	↑1.0
2/19 01:30	51.2	↑1.2
2/19 01:40	52.5	↑1.3
2/19 01:50	54.0	↑1.5
2/19 02:00	55.7	↑1.7
2/19 02:10	57.6	↑1.9
2/19 02:20	59.5	↑1.9
2/19 02:30	61.6	↑2.1
2/19 02:40	63.8	↑2.2
2/19 02:50	66.1	↑2.3
2/19 03:00	68.5	↑2.4
2/19 03:10	70.9	↑2.4
2/19 03:20	73.4	↑2.5
2/19 03:30	75.9	↑2.5
2/19 03:40	78.5	↑2.6
2/19 03:50	81.0	↑2.5
2/19 04:00	83.5	↑2.5
2/19 04:10	86.0	↑2.5
2/19 04:20	88.5	↑2.5
2/19 04:30	90.8	↑2.3
2/19 04:40	93.1	↑2.3
2/19 04:50	95.4	↑2.3
2/19 05:00	97.5	↑2.1
2/19 05:10	99.5	↑2.0
2/19 05:20	101.3	↑1.8
2/19 05:30	103.0	↑1.7
2/19 05:40	104.6	↑1.6
2/19 05:50	105.9	↑1.3
2/19 06:00	107.1	↑1.2
2/19 06:10	108.1	↑1.0
2/19 06:20	108.9	↑0.8
2/19 06:30	109.5	↑0.6
2/19 06:40	109.9	↑0.4
2/19 06:50	110.0	↑0.1	満潮
2/19 07:00	110.0	0
2/19 07:10	109.6	↓-0.4
2/19 07:20	109.1	↓-0.5
2/19 07:30	108.3	↓-0.8
2/19 07:40	107.3	↓-1.0
2/19 07:50	106.0	↓-1.3
2/19 08:00	104.5	↓-1.5
2/19 08:10	102.9	↓-1.6
2/19 08:20	101.0	↓-1.9
2/19 08:30	98.9	↓-2.1
2/19 08:40	96.6	↓-2.3
2/19 08:50	94.1	↓-2.5
2/19 09:00	91.5	↓-2.6
2/19 09:10	88.8	↓-2.7
2/19 09:20	85.9	↓-2.9
2/19 09:30	83.0	↓-2.9
2/19 09:40	79.9	↓-3.1
2/19 09:50	76.8	↓-3.1
2/19 10:00	73.7	↓-3.1
2/19 10:10	70.6	↓-3.1
2/19 10:20	67.4	↓-3.2	最大潮位差
2/19 10:30	64.3	↓-3.1
2/19 10:40	61.3	↓-3.0
2/19 10:50	58.3	↓-3.0
2/19 11:00	55.4	↓-2.9
2/19 11:10	52.7	↓-2.7
2/19 11:20	50.0	↓-2.7
2/19 11:30	47.6	↓-2.4
2/19 11:40	45.3	↓-2.3
2/19 11:50	43.1	↓-2.2
2/19 12:00	41.2	↓-1.9
2/19 12:10	39.5	↓-1.7
2/19 12:20	38.0	↓-1.5
2/19 12:30	36.6	↓-1.4
2/19 12:40	35.6	↓-1.0
2/19 12:50	34.7	↓-0.9
2/19 13:00	34.1	↓-0.6
2/19 13:10	33.7	↓-0.4
2/19 13:20	33.5	↓-0.2	干潮
2/19 13:30	33.5	0
2/19 13:40	33.8	↑0.3
2/19 13:50	34.2	↑0.4
2/19 14:00	34.9	↑0.7
2/19 14:10	35.7	↑0.8
2/19 14:20	36.7	↑1.0
2/19 14:30	37.9	↑1.2
2/19 14:40	39.3	↑1.4
2/19 14:50	40.8	↑1.5
2/19 15:00	42.4	↑1.6
2/19 15:10	44.2	↑1.8
2/19 15:20	46.0	↑1.8
2/19 15:30	48.0	↑2.0
2/19 15:40	50.0	↑2.0
2/19 15:50	52.1	↑2.1
2/19 16:00	54.3	↑2.2
2/19 16:10	56.5	↑2.2
2/19 16:20	58.7	↑2.2
2/19 16:30	61.0	↑2.3
2/19 16:40	63.2	↑2.2
2/19 16:50	65.4	↑2.2
2/19 17:00	67.6	↑2.2
2/19 17:10	69.8	↑2.2
2/19 17:20	71.9	↑2.1
2/19 17:30	73.9	↑2.0
2/19 17:40	75.9	↑2.0
2/19 17:50	77.7	↑1.8
2/19 18:00	79.5	↑1.8
2/19 18:10	81.1	↑1.6
2/19 18:20	82.6	↑1.5
2/19 18:30	84.0	↑1.4
2/19 18:40	85.3	↑1.3
2/19 18:50	86.3	↑1.0
2/19 19:00	87.3	↑1.0
2/19 19:10	88.0	↑0.7
2/19 19:20	88.6	↑0.6
2/19 19:30	89.0	↑0.4
2/19 19:40	89.2	↑0.2	満潮
2/19 19:50	89.3	↑0.1
2/19 20:00	89.1	↓-0.2
2/19 20:10	88.8	↓-0.3
2/19 20:20	88.3	↓-0.5
2/19 20:30	87.7	↓-0.6
2/19 20:40	86.9	↓-0.8
2/19 20:50	85.9	↓-1.0
2/19 21:00	84.8	↓-1.1
2/19 21:10	83.6	↓-1.2
2/19 21:20	82.2	↓-1.4
2/19 21:30	80.7	↓-1.5
2/19 21:40	79.2	↓-1.5
2/19 21:50	77.6	↓-1.6
2/19 22:00	75.9	↓-1.7
2/19 22:10	74.2	↓-1.7
2/19 22:20	72.5	↓-1.7
2/19 22:30	70.8	↓-1.7
2/19 22:40	69.1	↓-1.7
2/19 22:50	67.4	↓-1.7
2/19 23:00	65.8	↓-1.6
2/19 23:10	64.3	↓-1.5
2/19 23:20	62.8	↓-1.5
2/19 23:30	61.5	↓-1.3
2/19 23:40	60.3	↓-1.2
2/19 23:50	59.2	↓-1.1