1 (水)	06:38	11:55	17:21	-
	122cm	68cm	127cm	-
中潮 出 06:40 入 17:04 出 19:49 入 08:30

日立（茨城）2040年02月1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
2/1 00:00	0.1	↑0.3
2/1 00:10	0.8	↑0.7
2/1 00:20	1.9	↑1.1
2/1 00:30	3.3	↑1.4
2/1 00:40	5.1	↑1.8
2/1 00:50	7.2	↑2.1
2/1 01:00	9.7	↑2.5
2/1 01:10	12.5	↑2.8
2/1 01:20	15.6	↑3.1
2/1 01:30	19.0	↑3.4
2/1 01:40	22.6	↑3.6
2/1 01:50	26.6	↑4.0
2/1 02:00	30.7	↑4.1
2/1 02:10	35.0	↑4.3
2/1 02:20	39.4	↑4.4
2/1 02:30	44.0	↑4.6
2/1 02:40	48.7	↑4.7
2/1 02:50	53.4	↑4.7
2/1 03:00	58.1	↑4.7
2/1 03:10	62.9	↑4.8	最大潮位差
2/1 03:20	67.6	↑4.7
2/1 03:30	72.2	↑4.6
2/1 03:40	76.7	↑4.5
2/1 03:50	81.2	↑4.5
2/1 04:00	85.4	↑4.2
2/1 04:10	89.5	↑4.1
2/1 04:20	93.4	↑3.9
2/1 04:30	97.1	↑3.7
2/1 04:40	100.6	↑3.5
2/1 04:50	103.8	↑3.2
2/1 05:00	106.8	↑3.0
2/1 05:10	109.5	↑2.7
2/1 05:20	112.0	↑2.5
2/1 05:30	114.2	↑2.2
2/1 05:40	116.0	↑1.8
2/1 05:50	117.6	↑1.6
2/1 06:00	118.9	↑1.3
2/1 06:10	119.9	↑1.0
2/1 06:20	120.6	↑0.7
2/1 06:30	120.9	↑0.3	満潮
2/1 06:40	121.0	↑0.1
2/1 06:50	120.8	↓-0.2
2/1 07:00	120.2	↓-0.6
2/1 07:10	119.4	↓-0.8
2/1 07:20	118.3	↓-1.1
2/1 07:30	117.0	↓-1.3
2/1 07:40	115.4	↓-1.6
2/1 07:50	113.6	↓-1.8
2/1 08:00	111.6	↓-2.0
2/1 08:10	109.4	↓-2.2
2/1 08:20	107.1	↓-2.3
2/1 08:30	104.6	↓-2.5
2/1 08:40	102.1	↓-2.5
2/1 08:50	99.5	↓-2.6
2/1 09:00	96.9	↓-2.6
2/1 09:10	94.2	↓-2.7
2/1 09:20	91.6	↓-2.6
2/1 09:30	89.0	↓-2.6
2/1 09:40	86.5	↓-2.5
2/1 09:50	84.0	↓-2.5
2/1 10:00	81.7	↓-2.3
2/1 10:10	79.5	↓-2.2
2/1 10:20	77.5	↓-2.0
2/1 10:30	75.6	↓-1.9
2/1 10:40	73.9	↓-1.7
2/1 10:50	72.4	↓-1.5
2/1 11:00	71.0	↓-1.4
2/1 11:10	69.9	↓-1.1
2/1 11:20	69.0	↓-0.9
2/1 11:30	68.4	↓-0.6
2/1 11:40	67.9	↓-0.5
2/1 11:50	67.7	↓-0.2	干潮
2/1 12:00	67.8	↑0.1
2/1 12:10	68.0	↑0.2
2/1 12:20	68.6	↑0.6
2/1 12:30	69.3	↑0.7
2/1 12:40	70.3	↑1.0
2/1 12:50	71.5	↑1.2
2/1 13:00	73.0	↑1.5
2/1 13:10	74.7	↑1.7
2/1 13:20	76.5	↑1.8
2/1 13:30	78.6	↑2.1
2/1 13:40	80.9	↑2.3
2/1 13:50	83.3	↑2.4
2/1 14:00	85.8	↑2.5
2/1 14:10	88.5	↑2.7
2/1 14:20	91.2	↑2.7
2/1 14:30	94.0	↑2.8
2/1 14:40	96.9	↑2.9
2/1 14:50	99.7	↑2.8
2/1 15:00	102.6	↑2.9
2/1 15:10	105.4	↑2.8
2/1 15:20	108.1	↑2.7
2/1 15:30	110.7	↑2.6
2/1 15:40	113.1	↑2.4
2/1 15:50	115.4	↑2.3
2/1 16:00	117.6	↑2.2
2/1 16:10	119.5	↑1.9
2/1 16:20	121.2	↑1.7
2/1 16:30	122.7	↑1.5
2/1 16:40	123.9	↑1.2
2/1 16:50	124.9	↑1.0
2/1 17:00	125.6	↑0.7
2/1 17:10	126.0	↑0.4
2/1 17:20	126.1	↑0.1	満潮
2/1 17:30	126.0	↓-0.1
2/1 17:40	125.5	↓-0.5
2/1 17:50	124.8	↓-0.7
2/1 18:00	123.7	↓-1.1
2/1 18:10	122.4	↓-1.3
2/1 18:20	120.7	↓-1.7
2/1 18:30	118.8	↓-1.9
2/1 18:40	116.6	↓-2.2
2/1 18:50	114.0	↓-2.6
2/1 19:00	111.3	↓-2.7
2/1 19:10	108.2	↓-3.1
2/1 19:20	104.9	↓-3.3
2/1 19:30	101.4	↓-3.5
2/1 19:40	97.6	↓-3.8
2/1 19:50	93.7	↓-3.9
2/1 20:00	89.5	↓-4.2
2/1 20:10	85.2	↓-4.3
2/1 20:20	80.8	↓-4.4
2/1 20:30	76.3	↓-4.5
2/1 20:40	71.7	↓-4.6
2/1 20:50	67.1	↓-4.6
2/1 21:00	62.4	↓-4.7
2/1 21:10	57.8	↓-4.6
2/1 21:20	53.2	↓-4.6
2/1 21:30	48.7	↓-4.5
2/1 21:40	44.3	↓-4.4
2/1 21:50	40.1	↓-4.2
2/1 22:00	36.0	↓-4.1
2/1 22:10	32.1	↓-3.9
2/1 22:20	28.5	↓-3.6
2/1 22:30	25.0	↓-3.5
2/1 22:40	21.8	↓-3.2
2/1 22:50	18.9	↓-2.9
2/1 23:00	16.3	↓-2.6
2/1 23:10	13.9	↓-2.4
2/1 23:20	11.9	↓-2.0
2/1 23:30	10.2	↓-1.7
2/1 23:40	8.8	↓-1.4
2/1 23:50	7.7	↓-1.1