9 (金)	06:21	00:03	18:40	12:24
	108cm	29cm	103cm	32cm
中潮 出 05:58 入 17:41 出 08:10 入 21:19

那珂湊（茨城）2057年03月9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
3/9 00:00	28.8	↓-0.2	干潮
3/9 00:10	28.9	↑0.1
3/9 00:20	29.3	↑0.4
3/9 00:30	29.9	↑0.6
3/9 00:40	30.8	↑0.9
3/9 00:50	32.0	↑1.2
3/9 01:00	33.4	↑1.4
3/9 01:10	35.1	↑1.7
3/9 01:20	37.0	↑1.9
3/9 01:30	39.0	↑2.0
3/9 01:40	41.3	↑2.3
3/9 01:50	43.8	↑2.5
3/9 02:00	46.4	↑2.6
3/9 02:10	49.2	↑2.8
3/9 02:20	52.1	↑2.9
3/9 02:30	55.1	↑3.0
3/9 02:40	58.2	↑3.1
3/9 02:50	61.3	↑3.1
3/9 03:00	64.5	↑3.2
3/9 03:10	67.8	↑3.3
3/9 03:20	71.0	↑3.2
3/9 03:30	74.3	↑3.3
3/9 03:40	77.5	↑3.2
3/9 03:50	80.6	↑3.1
3/9 04:00	83.7	↑3.1
3/9 04:10	86.6	↑2.9
3/9 04:20	89.5	↑2.9
3/9 04:30	92.2	↑2.7
3/9 04:40	94.7	↑2.5
3/9 04:50	97.1	↑2.4
3/9 05:00	99.2	↑2.1
3/9 05:10	101.2	↑2.0
3/9 05:20	102.9	↑1.7
3/9 05:30	104.4	↑1.5
3/9 05:40	105.7	↑1.3
3/9 05:50	106.7	↑1.0
3/9 06:00	107.4	↑0.7
3/9 06:10	107.8	↑0.4
3/9 06:20	108.0	↑0.2	満潮
3/9 06:30	107.8	↓-0.2
3/9 06:40	107.4	↓-0.4
3/9 06:50	106.7	↓-0.7
3/9 07:00	105.7	↓-1.0
3/9 07:10	104.4	↓-1.3
3/9 07:20	102.8	↓-1.6
3/9 07:30	101.1	↓-1.7
3/9 07:40	99.0	↓-2.1
3/9 07:50	96.7	↓-2.3
3/9 08:00	94.3	↓-2.4
3/9 08:10	91.6	↓-2.7
3/9 08:20	88.8	↓-2.8
3/9 08:30	85.8	↓-3.0
3/9 08:40	82.7	↓-3.1
3/9 08:50	79.5	↓-3.2
3/9 09:00	76.2	↓-3.3
3/9 09:10	72.9	↓-3.3
3/9 09:20	69.6	↓-3.3
3/9 09:30	66.2	↓-3.4	最大潮位差
3/9 09:40	62.9	↓-3.3
3/9 09:50	59.7	↓-3.2
3/9 10:00	56.5	↓-3.2
3/9 10:10	53.5	↓-3.0
3/9 10:20	50.6	↓-2.9
3/9 10:30	47.8	↓-2.8
3/9 10:40	45.2	↓-2.6
3/9 10:50	42.8	↓-2.4
3/9 11:00	40.6	↓-2.2
3/9 11:10	38.6	↓-2.0
3/9 11:20	36.9	↓-1.7
3/9 11:30	35.4	↓-1.5
3/9 11:40	34.1	↓-1.3
3/9 11:50	33.1	↓-1.0
3/9 12:00	32.4	↓-0.7
3/9 12:10	31.9	↓-0.5
3/9 12:20	31.7	↓-0.2	干潮
3/9 12:30	31.8	↑0.1
3/9 12:40	32.1	↑0.3
3/9 12:50	32.7	↑0.6
3/9 13:00	33.5	↑0.8
3/9 13:10	34.5	↑1.0
3/9 13:20	35.8	↑1.3
3/9 13:30	37.3	↑1.5
3/9 13:40	39.0	↑1.7
3/9 13:50	40.9	↑1.9
3/9 14:00	42.9	↑2.0
3/9 14:10	45.2	↑2.3
3/9 14:20	47.6	↑2.4
3/9 14:30	50.1	↑2.5
3/9 14:40	52.7	↑2.6
3/9 14:50	55.4	↑2.7
3/9 15:00	58.2	↑2.8
3/9 15:10	61.1	↑2.9
3/9 15:20	64.0	↑2.9
3/9 15:30	66.9	↑2.9
3/9 15:40	69.8	↑2.9
3/9 15:50	72.8	↑3.0
3/9 16:00	75.6	↑2.8
3/9 16:10	78.5	↑2.9
3/9 16:20	81.2	↑2.7
3/9 16:30	83.9	↑2.7
3/9 16:40	86.5	↑2.6
3/9 16:50	88.9	↑2.4
3/9 17:00	91.2	↑2.3
3/9 17:10	93.3	↑2.1
3/9 17:20	95.2	↑1.9
3/9 17:30	97.0	↑1.8
3/9 17:40	98.5	↑1.5
3/9 17:50	99.9	↑1.4
3/9 18:00	101.0	↑1.1
3/9 18:10	101.8	↑0.8
3/9 18:20	102.4	↑0.6
3/9 18:30	102.8	↑0.4	満潮
3/9 18:40	102.9	↑0.1	満潮
3/9 18:50	102.8	↓-0.1
3/9 19:00	102.3	↓-0.5
3/9 19:10	101.7	↓-0.6
3/9 19:20	100.7	↓-1.0
3/9 19:30	99.6	↓-1.1
3/9 19:40	98.2	↓-1.4
3/9 19:50	96.5	↓-1.7
3/9 20:00	94.7	↓-1.8
3/9 20:10	92.6	↓-2.1
3/9 20:20	90.4	↓-2.2
3/9 20:30	88.0	↓-2.4
3/9 20:40	85.5	↓-2.5
3/9 20:50	82.9	↓-2.6
3/9 21:00	80.1	↓-2.8
3/9 21:10	77.3	↓-2.8
3/9 21:20	74.4	↓-2.9
3/9 21:30	71.6	↓-2.8
3/9 21:40	68.7	↓-2.9
3/9 21:50	65.8	↓-2.9
3/9 22:00	63.0	↓-2.8
3/9 22:10	60.2	↓-2.8
3/9 22:20	57.6	↓-2.6
3/9 22:30	55.1	↓-2.5
3/9 22:40	52.7	↓-2.4
3/9 22:50	50.4	↓-2.3
3/9 23:00	48.3	↓-2.1
3/9 23:10	46.5	↓-1.8
3/9 23:20	44.8	↓-1.7
3/9 23:30	43.3	↓-1.5
3/9 23:40	42.1	↓-1.2
3/9 23:50	41.1	↓-1.0