15 (水)	06:19	11:51	17:35	-
	120cm	47cm	128cm	-
中潮 出 06:27 入 17:19 出 08:16 入 20:13

日立（茨城）2040年02月15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
2/15 00:00	-1.9	↑0.5
2/15 00:10	-0.9	↑1.0
2/15 00:20	0.4	↑1.3
2/15 00:30	2.1	↑1.7
2/15 00:40	4.2	↑2.1
2/15 00:50	6.7	↑2.5
2/15 01:00	9.5	↑2.8
2/15 01:10	12.7	↑3.2
2/15 01:20	16.1	↑3.4
2/15 01:30	19.8	↑3.7
2/15 01:40	23.8	↑4.0
2/15 01:50	28.0	↑4.2
2/15 02:00	32.4	↑4.4
2/15 02:10	37.0	↑4.6
2/15 02:20	41.7	↑4.7
2/15 02:30	46.5	↑4.8
2/15 02:40	51.3	↑4.8
2/15 02:50	56.2	↑4.9	最大潮位差
2/15 03:00	61.0	↑4.8
2/15 03:10	65.9	↑4.9	最大潮位差
2/15 03:20	70.6	↑4.7
2/15 03:30	75.3	↑4.7
2/15 03:40	79.9	↑4.6
2/15 03:50	84.3	↑4.4
2/15 04:00	88.5	↑4.2
2/15 04:10	92.5	↑4.0
2/15 04:20	96.4	↑3.9
2/15 04:30	100.0	↑3.6
2/15 04:40	103.3	↑3.3
2/15 04:50	106.4	↑3.1
2/15 05:00	109.2	↑2.8
2/15 05:10	111.7	↑2.5
2/15 05:20	113.9	↑2.2
2/15 05:30	115.8	↑1.9
2/15 05:40	117.3	↑1.5
2/15 05:50	118.5	↑1.2
2/15 06:00	119.3	↑0.8
2/15 06:10	119.8	↑0.5	満潮
2/15 06:20	119.9	↑0.1
2/15 06:30	119.7	↓-0.2
2/15 06:40	119.1	↓-0.6
2/15 06:50	118.2	↓-0.9
2/15 07:00	116.9	↓-1.3
2/15 07:10	115.3	↓-1.6
2/15 07:20	113.4	↓-1.9
2/15 07:30	111.2	↓-2.2
2/15 07:40	108.8	↓-2.4
2/15 07:50	106.1	↓-2.7
2/15 08:00	103.3	↓-2.8
2/15 08:10	100.2	↓-3.1
2/15 08:20	97.0	↓-3.2
2/15 08:30	93.7	↓-3.3
2/15 08:40	90.3	↓-3.4
2/15 08:50	86.9	↓-3.4
2/15 09:00	83.4	↓-3.5
2/15 09:10	80.0	↓-3.4
2/15 09:20	76.6	↓-3.4
2/15 09:30	73.2	↓-3.4
2/15 09:40	70.0	↓-3.2
2/15 09:50	66.9	↓-3.1
2/15 10:00	64.0	↓-2.9
2/15 10:10	61.2	↓-2.8
2/15 10:20	58.6	↓-2.6
2/15 10:30	56.2	↓-2.4
2/15 10:40	54.1	↓-2.1
2/15 10:50	52.1	↓-2.0
2/15 11:00	50.5	↓-1.6
2/15 11:10	49.1	↓-1.4
2/15 11:20	48.0	↓-1.1
2/15 11:30	47.2	↓-0.8
2/15 11:40	46.8	↓-0.4
2/15 11:50	46.6	↓-0.2	干潮
2/15 12:00	46.7	↑0.1
2/15 12:10	47.2	↑0.5
2/15 12:20	48.0	↑0.8
2/15 12:30	49.1	↑1.1
2/15 12:40	50.6	↑1.5
2/15 12:50	52.3	↑1.7
2/15 13:00	54.4	↑2.1
2/15 13:10	56.7	↑2.3
2/15 13:20	59.3	↑2.6
2/15 13:30	62.2	↑2.9
2/15 13:40	65.3	↑3.1
2/15 13:50	68.5	↑3.2
2/15 14:00	71.9	↑3.4
2/15 14:10	75.5	↑3.6
2/15 14:20	79.2	↑3.7
2/15 14:30	82.9	↑3.7
2/15 14:40	86.7	↑3.8
2/15 14:50	90.4	↑3.7
2/15 15:00	94.2	↑3.8
2/15 15:10	97.8	↑3.6
2/15 15:20	101.4	↑3.6
2/15 15:30	104.8	↑3.4
2/15 15:40	108.1	↑3.3
2/15 15:50	111.2	↑3.1
2/15 16:00	114.1	↑2.9
2/15 16:10	116.7	↑2.6
2/15 16:20	119.1	↑2.4
2/15 16:30	121.3	↑2.2
2/15 16:40	123.2	↑1.9
2/15 16:50	124.7	↑1.5
2/15 17:00	126.0	↑1.3
2/15 17:10	127.0	↑1.0
2/15 17:20	127.6	↑0.6
2/15 17:30	127.9	↑0.3	満潮
2/15 17:40	127.8	↓-0.1
2/15 17:50	127.4	↓-0.4
2/15 18:00	126.7	↓-0.7
2/15 18:10	125.6	↓-1.1
2/15 18:20	124.2	↓-1.4
2/15 18:30	122.4	↓-1.8
2/15 18:40	120.3	↓-2.1
2/15 18:50	117.8	↓-2.5
2/15 19:00	115.0	↓-2.8
2/15 19:10	112.0	↓-3.0
2/15 19:20	108.6	↓-3.4
2/15 19:30	105.0	↓-3.6
2/15 19:40	101.2	↓-3.8
2/15 19:50	97.1	↓-4.1
2/15 20:00	92.8	↓-4.3
2/15 20:10	88.4	↓-4.4
2/15 20:20	83.9	↓-4.5
2/15 20:30	79.2	↓-4.7
2/15 20:40	74.5	↓-4.7
2/15 20:50	69.8	↓-4.7
2/15 21:00	65.1	↓-4.7
2/15 21:10	60.4	↓-4.7
2/15 21:20	55.8	↓-4.6
2/15 21:30	51.3	↓-4.5
2/15 21:40	46.9	↓-4.4
2/15 21:50	42.6	↓-4.3
2/15 22:00	38.6	↓-4.0
2/15 22:10	34.7	↓-3.9
2/15 22:20	31.1	↓-3.6
2/15 22:30	27.7	↓-3.4
2/15 22:40	24.5	↓-3.2
2/15 22:50	21.7	↓-2.8
2/15 23:00	19.1	↓-2.6
2/15 23:10	16.8	↓-2.3
2/15 23:20	14.8	↓-2.0
2/15 23:30	13.2	↓-1.6
2/15 23:40	11.9	↓-1.3
2/15 23:50	10.9	↓-1.0