14 (水)	05:09	10:50	16:56	23:16
	110cm	37cm	119cm	18cm
大潮 出 05:50 入 17:46 出 06:42 入 18:58

那珂湊（茨城）2040年03月14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
3/14 00:00	17.9	↑2.4
3/14 00:10	20.6	↑2.7
3/14 00:20	23.5	↑2.9
3/14 00:30	26.6	↑3.1
3/14 00:40	30.0	↑3.4
3/14 00:50	33.5	↑3.5
3/14 01:00	37.2	↑3.7
3/14 01:10	41.0	↑3.8
3/14 01:20	45.0	↑4.0
3/14 01:30	49.0	↑4.0
3/14 01:40	53.1	↑4.1
3/14 01:50	57.3	↑4.2
3/14 02:00	61.4	↑4.1
3/14 02:10	65.5	↑4.1
3/14 02:20	69.6	↑4.1
3/14 02:30	73.6	↑4.0
3/14 02:40	77.5	↑3.9
3/14 02:50	81.3	↑3.8
3/14 03:00	84.9	↑3.6
3/14 03:10	88.4	↑3.5
3/14 03:20	91.6	↑3.2
3/14 03:30	94.7	↑3.1
3/14 03:40	97.5	↑2.8
3/14 03:50	100.1	↑2.6
3/14 04:00	102.4	↑2.3
3/14 04:10	104.4	↑2.0
3/14 04:20	106.1	↑1.7
3/14 04:30	107.5	↑1.4
3/14 04:40	108.6	↑1.1
3/14 04:50	109.3	↑0.7
3/14 05:00	109.8	↑0.5	満潮
3/14 05:10	109.9	↑0.1
3/14 05:20	109.7	↓-0.2
3/14 05:30	109.1	↓-0.6
3/14 05:40	108.3	↓-0.8
3/14 05:50	107.1	↓-1.2
3/14 06:00	105.6	↓-1.5
3/14 06:10	103.9	↓-1.7
3/14 06:20	101.9	↓-2.0
3/14 06:30	99.6	↓-2.3
3/14 06:40	97.1	↓-2.5
3/14 06:50	94.4	↓-2.7
3/14 07:00	91.5	↓-2.9
3/14 07:10	88.5	↓-3.0
3/14 07:20	85.3	↓-3.2
3/14 07:30	82.1	↓-3.2
3/14 07:40	78.7	↓-3.4
3/14 07:50	75.4	↓-3.3
3/14 08:00	72.0	↓-3.4
3/14 08:10	68.6	↓-3.4
3/14 08:20	65.2	↓-3.4
3/14 08:30	62.0	↓-3.2
3/14 08:40	58.8	↓-3.2
3/14 08:50	55.7	↓-3.1
3/14 09:00	52.8	↓-2.9
3/14 09:10	50.1	↓-2.7
3/14 09:20	47.6	↓-2.5
3/14 09:30	45.2	↓-2.4
3/14 09:40	43.1	↓-2.1
3/14 09:50	41.3	↓-1.8
3/14 10:00	39.7	↓-1.6
3/14 10:10	38.4	↓-1.3
3/14 10:20	37.4	↓-1.0
3/14 10:30	36.7	↓-0.7
3/14 10:40	36.2	↓-0.5	干潮
3/14 10:50	36.1	↓-0.1	干潮
3/14 11:00	36.3	↑0.2
3/14 11:10	36.7	↑0.4
3/14 11:20	37.5	↑0.8
3/14 11:30	38.5	↑1.0
3/14 11:40	39.8	↑1.3
3/14 11:50	41.4	↑1.6
3/14 12:00	43.3	↑1.9
3/14 12:10	45.4	↑2.1
3/14 12:20	47.7	↑2.3
3/14 12:30	50.2	↑2.5
3/14 12:40	53.0	↑2.8
3/14 12:50	55.9	↑2.9
3/14 13:00	58.9	↑3.0
3/14 13:10	62.1	↑3.2
3/14 13:20	65.4	↑3.3
3/14 13:30	68.8	↑3.4
3/14 13:40	72.3	↑3.5
3/14 13:50	75.8	↑3.5
3/14 14:00	79.3	↑3.5
3/14 14:10	82.8	↑3.5
3/14 14:20	86.2	↑3.4
3/14 14:30	89.6	↑3.4
3/14 14:40	93.0	↑3.4
3/14 14:50	96.2	↑3.2
3/14 15:00	99.3	↑3.1
3/14 15:10	102.2	↑2.9
3/14 15:20	104.9	↑2.7
3/14 15:30	107.5	↑2.6
3/14 15:40	109.8	↑2.3
3/14 15:50	111.9	↑2.1
3/14 16:00	113.7	↑1.8
3/14 16:10	115.3	↑1.6
3/14 16:20	116.5	↑1.2
3/14 16:30	117.5	↑1.0
3/14 16:40	118.1	↑0.6
3/14 16:50	118.4	↑0.3	満潮
3/14 17:00	118.4	0
3/14 17:10	118.1	↓-0.3
3/14 17:20	117.4	↓-0.7
3/14 17:30	116.4	↓-1.0
3/14 17:40	115.1	↓-1.3
3/14 17:50	113.4	↓-1.7
3/14 18:00	111.5	↓-1.9
3/14 18:10	109.2	↓-2.3
3/14 18:20	106.7	↓-2.5
3/14 18:30	103.8	↓-2.9
3/14 18:40	100.8	↓-3.0
3/14 18:50	97.4	↓-3.4
3/14 19:00	93.9	↓-3.5
3/14 19:10	90.2	↓-3.7
3/14 19:20	86.4	↓-3.8
3/14 19:30	82.4	↓-4.0
3/14 19:40	78.3	↓-4.1
3/14 19:50	74.1	↓-4.2
3/14 20:00	69.9	↓-4.2
3/14 20:10	65.6	↓-4.3	最大潮位差
3/14 20:20	61.4	↓-4.2
3/14 20:30	57.2	↓-4.2
3/14 20:40	53.1	↓-4.1
3/14 20:50	49.1	↓-4.0
3/14 21:00	45.3	↓-3.8
3/14 21:10	41.6	↓-3.7
3/14 21:20	38.1	↓-3.5
3/14 21:30	34.8	↓-3.3
3/14 21:40	31.7	↓-3.1
3/14 21:50	28.9	↓-2.8
3/14 22:00	26.3	↓-2.6
3/14 22:10	24.1	↓-2.2
3/14 22:20	22.1	↓-2.0
3/14 22:30	20.5	↓-1.6
3/14 22:40	19.1	↓-1.4
3/14 22:50	18.1	↓-1.0
3/14 23:00	17.4	↓-0.7
3/14 23:10	17.1	↓-0.3	干潮
3/14 23:20	17.1	0
3/14 23:30	17.4	↑0.3
3/14 23:40	18.0	↑0.6
3/14 23:50	19.0	↑1.0